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this is information on a product in full production. august 2012 doc id 022833 rev 4 1/27 27 SPBT2632C2A bluetooth? technology class-2 module datasheet ? production data features bluetooth? radio ? fully embedded bluetooth? v3.0 with profiles ? class 2 module ? complete rf ready module ? 128-bit encryption security ? integrated antenna ? multipoint capability st micro cortex-m3 microprocessor up to 72 mhz memory ? 256 kb flash memory ? 48 kb ram memory data rate ? 1.5 mbps maximum data rate serial interface ? uart up to 2.0 mbps ? spi interface general i/o ? 7 general purpose i/os ? 1 lpo input user interface ? at2 command set (abserial) ? firmware upgrade over uart fcc and bluetooth? qualified epl (end product listing) fulfilled single voltage supply: 2.5 v typical micro-sized form factor: 11.6 x 13.5 x 2.9 mm operating temperature range: -40 c to 85 c. www.st.com
contents SPBT2632C2A 2/27 doc id 022833 rev 4 contents 1 description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 rohs compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 software architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.1 lower layer stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.2 upper layer stack: amp'ed up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 at command set: abserial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.4 bluetooth firmware implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 hardware specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.1 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.2 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.3 high speed cpu mode current consumption . . . . . . . . . . . . . . . . . . . . . . 11 5.4 standard cpu mode current consumption . . . . . . . . . . . . . . . . . . . . . . . . 11 5.5 i/o operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.6 selected rf characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.7 pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.8 pin placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.9 layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7 hardware design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.1 module reflow installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.2 gpio interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.3 uart interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.4 pcb layout guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7.5 reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.5.1 external reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.5.2 internal reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SPBT2632C2A contents doc id 022833 rev 4 3/27 7.6 external lpo input circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 7.7 apple ios cp reference design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8 regulatory compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 9 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
list of tables SPBT2632C2A 4/27 doc id 022833 rev 4 list of tables table 1. recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 3. high speed cpu mode current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 4. standard cpu mode current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 5. i/o operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 6. selected rf characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 7. pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 8. soldering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 9. system configuration variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 table 10. ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 table 11. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SPBT2632C2A list of figures doc id 022833 rev 4 5/27 list of figures figure 1. fw architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 2. pin placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 3. layout drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 4. SPBT2632C2A.at2 module block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 5. soldering profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 6. connection to host device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 7. typical rs232 circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 8. pcb layout guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 9. external reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 10. internal reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 11. external lpo circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 12. bt module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 13. co-processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 14. power switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
description SPBT2632C2A 6/27 doc id 022833 rev 4 1 description the SPBT2632C2A.at2 is an easy to use bluetooth module, compliant with bluetooth v3.0. the module is the smallest form factor available which provides a complete rf platform. the SPBT2632C2A.at2 enables electronic devices with wireless connectivity, not requiring any rf experience or expertise for integration into the final product. the SPBT2632C2A.at2 module, being a certified solution, optimizes the time to market of the final applications. the module is designed for maximum performance in a minimal space including fast speed uart and 7 general purpose i/o lines, several serial interface options, and up to 1.5 mbps data throughput. optimized design allows the integration of a complete working bluetooth modem, including antenna, in the minimum possible size; only an additional external lpo (low power oscillator) is required to enable low power mode capability. the SPBT2632C2A.at2 is a surface mount pcb module that provides fully embedded, ready to use bluetooth wireless technology. the reprogrammable flash memory contains embedded firmware for serial cable replacement using the bluetooth spp profile. embedded bluetooth at2 command firmware is a friendly interface, which realizes a simple control for cable replacement, enabling communication with most bluetooth enabled devices, provided that the devices support the spp profile. the SPBT2632C2A.at2 , supporting iap profile, provides communication with android, smartphone, and apple ? ios bluetooth enabled devices. an apple authentication ic is required to exchange data with an apple device or access an apple device application. the at2 fw includes the bluetooth spp profile capable of recognizing the apple authentication chip. customers using the apple authentication ic must register as developers to become an apple certified mfi member. license fees may apply, for additional information visit: http://developer.apple.com/programs/which-program/index.html. certified mfi developers developing electronic accessories that connect to the ipod ? , iphone ? , and ipad ? gain access to technical documentation, hardware components, technical support and certification logos. customized firmware for peripheral device interaction, power optimization, security, and other proprietary features may be supported and can be ordered pre-loaded and configured.
SPBT2632C2A rohs compliance doc id 022833 rev 4 7/27 2 rohs compliance st modules are rohs compliant and comply with ecopack ? norms. 3 applications serial cable replacement m2m industrial control service diagnostic data acquisition equipment machine control sensor monitoring security system mobile health.
software architecture SPBT2632C2A 8/27 doc id 022833 rev 4 4 software architecture 4.1 lower layer stack bluetooth v3.0 device power modes: active, sleep and deep sleep wake on bluetooth feature optimized power consumption of host cpu authentication and encryption encryption key length from 8 bits to 128 bits persistent flash memory for bd address and user parameter storage all acl (asynchronous connection less) packet types multipoint capability sniff mode: fully supported to maximum allowed intervals master slave switch supported during connection and post connection dedicated inquiry access code for improved inquiry scan performance dynamic packet selection channel quality driven data rate to optimize link performance dynamic power control 802.11b co-existence afh. 4.2 upper layer stack: amp'ed up spp, iap, sdap and gap protocols rfcomm, sdp, and l2cap supported multipoint with simultaneous slaves. 4.3 at command set: abserial please see command list reported in the spbt2532c2.at datasheet, appendix d, for details. the complete command list including the iap commands will be reported in the user manual um1547.
SPBT2632C2A software architecture doc id 022833 rev 4 9/27 4.4 bluetooth firmware implementation figure 1. fw architecture !-v i!0
hardware specifications SPBT2632C2A 10/27 doc id 022833 rev 4 5 hardware specifications general conditions (v in = 2.5 v and 25 c). 5.1 recommended operating conditions 5.2 absolute maximum ratings table 1. recommended operating conditions rating min. typical max. unit operating temperature range -40 - 85 c supply voltage v in 2.1 2.5 3.6 v signal pin voltage - 2.1 - v rf frequency 2400 - 2483.5 mhz table 2. absolute maximum ratings rating min. typical max. unit storage temperature range -55 - +105 c supply voltage, v in -0.3 - + 5.0 v i/o pin voltage, v io -0.3 - + 5.5 v rf input power - - -5 dbm
SPBT2632C2A hardware specifications doc id 022833 rev 4 11/27 5.3 high speed cpu mode current consumption high speed cpu mode ? cpu 32 mhz ? uart supports up to 921 kbps ? data throughput up to 1.5 mbps ? shallow sleep enabled. 5.4 standard cpu mode current consumption standard cpu mode ?cpu 8 mhz ? uart supports up to 115 kbps ? data throughput up to 200 kbps ? shallow sleep enabled. table 3. high speed cpu mode current consumption modes (typical power consumption) avg. unit acl data 115 k baud uart at max. throughput (master) 23 ma acl data 115 k baud uart at max. throughput (slave) 27.5 ma connection, no data traffic, master 9.1 ma connection, no data traffic, slave 11.2 ma connection 375 ms sniff (external lpo required) 490 a standby, without deep sleep 8.6 ma standby, with deep sleep, no external lpo 1.7 ma standby, with deep sleep, with external lpo 70 a page/inquiry scan, with deep sleep, no external lpo 2.7 ma page/inquiry scan, with deep sleep, with external lpo 520 a bluetooth power down / cpu standby, no external lpo 25 a table 4. standard cpu mode current consumption modes (typical power consumption) avg. unit acl data 115 k baud uart at max. throughput (master) 16.7 ma acl data 115 k baud uart at max. throughput (slave) 18 ma connection, no data traffic, master 4.9 ma connection, no data traffic, slave 7.0 ma connection 375 ms sniff (external lpo required) 490 a standby, without deep sleep 4.2 ma standby, with deep sleep, no external lpo 1.7 ma
hardware specifications SPBT2632C2A 12/27 doc id 022833 rev 4 5.5 i/o operating characteristics 5.6 selected rf characteristics standby, with deep sleep, with external lpo 70 a page/inquiry scan, with deep sleep, no external lpo 2.6 ma page/inquiry scan, with deep sleep, with external lpo 520 a bluetooth power-down / cpu standby, no external lpo 25 a table 4. standard cpu mode current consumption (continued) modes (typical power consumption) avg. unit table 5. i/o operating characteristics symbol parameter min. max. unit conditions v il low-level input voltage - 0.6 v v in , 2.1 v v ih high-level input voltage 1.4 - v v in , 2.1 v v ol low-level output voltage - 0.4 v v in , 2.1 v v oh high-level output voltage 1.8 - v v in , 2.1 v i ol low -level output current - 4.0 ma v ol = 0.4 v i oh high-level output current - 4.0 ma v oh = 1.8 v r pu pull-up resistor 80 120 k resistor turned on r pd pull-down resistor 80 120 k resistor turned on table 6. selected rf characteristics parameters conditions typical (1) 1. rf characteristics can be influenced by physical characte ristics of final application. unit antenna load 50 ohm radio receiver sensitivity level ber < .001 with dh5 -86 dbm maximum usable level ber < .001 with dh1 0 dbm input vswr 2.5:1 radio transmitter maximum output power 50 load 0 dbm initial carrier frequency tolerance 0 khz 20 db bandwidth for modulated carrier 935 khz
SPBT2632C2A hardware specifications doc id 022833 rev 4 13/27 5.7 pin assignment table 7. pin assignment name type pin# description alt function (1) 1. please note that the usage of alt function is dependant upon the firmware that is loaded into the module, and is beyond the scope of this document. the at command interface uses the main uart by default. 5 v tolerant uart interface rxd i 13 receive data adc 3 y txd o 14 transmit data adc 2 y rts o 12 request to send (active low) adc 0 i 2 c clock/aux uart rx y cts i 11 clear to send (active low) adc 1 i 2 c data/aux uart tx y boot loader boot 0 i 9 boot 0 power and ground vin 8 v in gnd 7 gnd reset resetn i 10 reset input (active low for 5 ms) 2.5 v max. lpo lpo i 15 lpo input gpio - general purpose input/output gpio [1] i/o 1 general purpose input/output spi miso y gpio [2] i/o 2 general purpose input/output spi mosi/i2s_sd y gpio [3] i/o 3 general purpose input/output spi sclk/i2s_ck y gpio [4] i/o 4 general purpose input/output spi ss/i2s_ws y gpio [5] i/o 5 general purpose input/output y gpio [6] i/o 6 general purpose input/output dac y gpio [7] i/o 16 general purpose input/output adc 4 y
hardware specifications SPBT2632C2A 14/27 doc id 022833 rev 4 5.8 pin placement figure 2. pin placement 5.9 layout drawing figure 3. layout drawing !-v millimeters 3izemmxmmxmm heighttolerance mm !-v
SPBT2632C2A hardware block diagram doc id 022833 rev 4 15/27 6 hardware block diagram figure 4. SPBT2632C2A.at2 module block diagram %dwwhu\ru6xsso\ 5hjxodwru $qwhqqd +rvw&rqwuroohu ,qwhuidfh 67/& %3 )lowhu /32 &orfn ,6 3&0 .)odvk .5$0 8$57 $50&ruwh[0&8 670 *3,2 8$57 !-v
hardware design SPBT2632C2A 16/27 doc id 022833 rev 4 7 hardware design the SPBT2632C2A module without at2 command embedded fw supports uart, spi, i 2 c and gpio hardware interfaces. note that the usage of these interfaces is dependent upon the firmware that is loaded into the module, and is beyond the scope of this document. the at2 command interface uses the main uart by default. note: 1 all unused pins should be left floating; do not ground. 2 all gnd pins must be well grounded. 3 the area around the module should be free of any ground planes, power planes, trace routings, or metal for 6 mm from the antenna in all directions. 4 traces should not be routed underneath the module. 7.1 module reflow installation the spb2632c2a is a surface mount bluetooth module supplied on a 16-pin, 6-layer pcb. the final assembly recommended reflow profiles are indicated here below. the soldering phase must be executed with care: in order to avoid undesired melting phenomenon, particular attention must be paid to the setup of the peak temperature. the following are some suggestions for the temperature profile based on ipc/jedec j- std-020c, july 2004 recommendations. table 8. soldering profile feature pb-free assembly average ramp-up rate (t smax to t p ) 3 c/sec max preheat: ? temperature min. (t s min.) ? temperature max. (t s max.) ?time (t s min. to t s max.)(t s ) 150 c 200 c 60-100 sec time maintained above: ? temperature t l ? temperature t l 217 c 60-70 sec peak temperature (t p ) 240 + 0 c time within 5 c of actual peak temperature (t p ) 10-20 sec ramp-down rate 6 c/sec time from 25 c to peak temperature 8 minutes max.
SPBT2632C2A hardware design doc id 022833 rev 4 17/27 figure 5. soldering profile 7.2 gpio interface all gpios are capable of sinking and sourcing 4 ma of i/o current. gpio [1] to gpio [7] are internally pulled down with 100 k (nominal) resistors. 7.3 uart interface the uart is compatible with the 16550 industry standard. four signals are provided with the uart interface. the txd and rxd pins are used for data while the cts and rts pins are used for flow control. figure 6. connection to host device !-v "luetooth -odule (ost !-v
hardware design SPBT2632C2A 18/27 doc id 022833 rev 4 figure 7. typical rs232 circuit 7.4 pcb layout guidelines figure 8. pcb layout guidelines !-v surrounding !-v
SPBT2632C2A hardware design doc id 022833 rev 4 19/27 7.5 reset circuit two types of system reset circuits are detailed below. 7.5.1 external reset circuit figure 9. external reset circuit note: rpu ranges from 30 k to 50 k internally. 7.5.2 internal reset circuit figure 10. internal reset circuit note: 1 r pu ranges from 30 k to 50 k internally. 2r rst should be from 1 k to 10 k . 2%3%4 !-v 2%3%4 !-v
hardware design SPBT2632C2A 20/27 doc id 022833 rev 4 7.6 external lpo input circuit an optional low power oscillator input may be added to allow deep sleep and sniff modes. lpo parameters: ? frequency: 32.768 khz ? tolerance: 150 ppm ? voltage levels ?low: 0.5 v ? high: 1.8 v ? input capacitance: 2.5 pf maximum configurations: ? use two configuration variables: useextlpo and allowsniff. figure 11. external lpo circuit table 9. system configuration variables variable name default description var37 useextlpo true true when a 32.768 khz low power oscillator is present, and false if not present var43 allowsniff true enables sniff mode. +(z os cillator 5 5 ' 0)/ ' 0)/ ' 0)/ ' 0)/ ' 0)/ ' 0)/ '.$ 6). "//4 2%3% 4 #43 243 28$ 48$ ,0/ ' 0)/ 30"4#!!4 !-v
SPBT2632C2A hardware design doc id 022833 rev 4 21/27 7.7 apple ios cp reference design the figures below give an indicative overview of what the hardware concept looks like. a specific mfi co-processor layout is available for licensed mfi developers from the mfi program. figure 12. bt module figure 13. co-processor !-v !-v
hardware design SPBT2632C2A 22/27 doc id 022833 rev 4 figure 14. power switch !-v
SPBT2632C2A regulatory compliance doc id 022833 rev 4 23/27 8 regulatory compliance fcc and ic ? this module has been tested and found to comply with the fcc part 15 and ic rss-210 rules. these limits are designed to provide reasonable protection against harmful interference in approved installations. this equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. however, there is no guarantee that interference may not occur in a particular installation. this device complies with part 15 of the fcc rules. operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. modifications or changes to this equipment not expressly approved by the part responsible for compliance may render void the user's authority to operate this equipment. ? modular approval, fcc and ic fcc id: x3zbtmod4 ic: 8828a-mod4 in accordance with fcc part 15, the SPBT2632C2A.at2 is listed above as a modular transmitter device. ? label instructions when integrating the SPBT2632C2A.at2 into the final product, it must be ensured that the fcc labelling requirements, as specified below, are satisfied. based on the public notice from fcc, the product into which the st transmitter module is installed must display a label referring to the enclosed module. the label should use wording such as the following: contains transmitter module fcc id: x3zbtmod4 ic: 8828a-mod4 any similar wording that expresses the same meaning may be used. bqb ? bqb qualified design, qd id: b019224 ? product type: end product ? tgp version: core 3.0 ? core spec version: 3.0 ? product descriptions: bluetooth module, spec v3.0
regulatory compliance SPBT2632C2A 24/27 doc id 022833 rev 4 ce ? ce expert opinion: 0448-aram00003 ? measurements have been performed in accordance with (report available on request): ? en 300 328 v 1.7.1 (2006-10) (a) ? en 301 489-17 v 2.1.1 (2009) (b) ? en60950-1:2006 +a11:2009+a1:2010 (c) ce certified: a. en 300 328 v 1.7.1 (2006-10): ?electromagnetic compat ibility and radio spectrum matters (erm); wideband transmission systems; data transmission equipment operating in the 2.4 ghz ism band and using wideband modulation techniques; harmonized en covering ess ential requirements under article 3.2 of the r&tte directive?. b. en 301 489-17 v 2.1.1 (2009): ?electromagnetic co mpatibility and radio spectrum matters (erm); electromagnetic compatibility (emc) standard for radio equipment and services; part 17: specific condition for 2.4 ghz wideband transmission systems and 5 ghz high performance rlan equipment?. c. en60950-1:2006 +a11:2009+a1:2010: ?informa tion technology equipment - safety?.
SPBT2632C2A ordering information doc id 022833 rev 4 25/27 9 ordering information table 10. ordering information order code description SPBT2632C2A.at2 class 2 oem bluetooth antenna module
revision history SPBT2632C2A 26/27 doc id 022833 rev 4 10 revision history table 11. document revision history date revision changes 03-apr-2012 1 first release. 16-apr-2012 2 modified: section 8 12-jun-2012 3 ? document status promoted from preliminary data to production data ? modified: figure 1 07-aug-2012 4 ? added: notes in ta bl e 6 and 7 ? modified: section 7
SPBT2632C2A doc id 022833 rev 4 27/27 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by two authorized st representatives, st products are not recommended, authorized or warranted for use in military, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or register ed trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2012 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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