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product overview address spaces addressing modes control registers interrupt structure instruction set
ks88c8424/c8432/p8432 product overview 1 - 1 1 product overview sam87 product family samsung's sam87 family of 8-bit single-chip cmos microcontrollers offers a fast and efficient cpu, a wide range of integrated peripherals, and various mask-programmable rom sizes. important cpu features include: ? efficient register-oriented architecture ? selectable cpu clock sources ? release of idle and stop power-down modes by interrupt ? built-in basic timer circuit with watchdog function a sophisticated interrupt structure recognizes up to eight interrupt levels. each level can have one or more interrupt sources and vectors. fast interrupt processing (within a minimum of six cpu clocks) can be assigned to specific interrupt levels. ks88c8424/c8432/p8432 microcontrollers the ks88c8424 microcontroller has a 24- kbyte on-chip program memory and the ks88c8432 has a 32-k byte. both chips have a 272-byte general-purpose internal register file. the interrupt structure has nine interrupt sources with nine interrupt vectors. the cpu recognizes seven interrupt priority levels. using a modular design approach, the following peripherals were integrated with the sam87 core to make the ks88c8424/c8432/p8432 microcontrollers suitable for use in color television and other types of screen display applications: ? four programmable i/o ports ( 26 pins total: 1 6 general-purpose i/o pins; 10 n-channel, open-drain output pins) ? 4 -bit resolution a/d converter (4 channels) ? 14-bit pwm output ( two channels: p ush-pull type, open-drain type ) ? basic timer (bt) with watchdog timer function ? one 8-bit timer/counter (t0) with interval timer and pwm mode ? one 8-bit general-purpose timer/counter (ta) wit h prescalers ? on-screen display (osd) with a wide range of programmable features, including halftone control signal output the ks88c8424 and the ks88c8432 are available in versatile 42-pin sdip package. otp the ks88c8424/c8432 microcontrollers are also available in otp (one time programmable) version, named the KS88P8432. the KS88P8432 microcontroller has an on-chip 32-kbyte one-time-programmable eprom instead of a masked rom. the KS88P8432 is comparable to the ks88c8424/c8432, both in function and pin configuration.
product overview ks88c8424/c8432/p8432 1 - 2 features cpu ? sam87 cpu core memory ? 24 -kbyte ( ks88c8424 ) or 32 -kbyte ( ks88c8432 ) internal program memory ? 272-byte general-purpose register area instruction set ? 7 8 instructions ? idle and stop instructions added for power- down modes instruction execution time ? 750 ns (minimum) with an 8 mhz cpu clock interrupts ? 9 i nterrupt sources with 9 vectors ? 7 interrupt levels ? fast interrupt proc essing for select levels general i/o ? four i/o ports ( 26 pins total) ? six open-drain pins for up to 6 v loads ? four open-drain pins for up to 5 v loads 8-bit basic timer ? three select a ble internal clock frequencies ? watchdog or oscillation stabilization function timer/counters ? one 8-bit timer/counter (t0) with t hree internal clocks or an external clock and interval timer mode or pwm mode. ? one general-purpose 8-bit timer/counters with interval tim er mode (timer a ) a/d converter ? four analog input pins; 4-bit resolution ? 3.125 s conversion time (8 mhz cpu clock) pulse width modulation module ? 14-bit pwm with two-channel output (push-pull type, open-drain type) ? 8-bit pwm with four-channel, push-pull and open- drain ? pwm counter and data capture input pin ? frequency: 5.859 khz to 23.437 khz with a 6 mhz cpu clock on-screen display (osd) ? video ram: 2 52 1 3- bits ? character generator rom: 384 18 1 6- bits ( 384 display characters ; fixed ; 2, variable ; 382 ) ? 2 52 display positions (1 2 rows 2 1 columns) ? 1 6 -dot 18-dot character resolution ? 16 different character sizes ? eight character colors ? vertical direction fade-in/fade-out control ? eight colors for character and frame background ? halftone control signal output; selectable for individual characters ? synchronous polarity selector for h-sync and v -sync input oscillator frequency ? 5 mhz to 8 mhz external crystal oscillator ? maximum 8 mhz cpu clock operating temperature range ? ? 20 c to + 85 c operating voltage range ? 4.5 v to 5.5 v package type ? 42-pin sdip
ks88c8424/c8432/p8432 product overview 1 - 3 block diagram p0.0 - p0.7 reset p1.0 - p1.7 sam87 bus sam87 bus port 0 port 1 capa vred vgreen vblue vblank osdht h-sync v-sync test osc in osc out int0 - int3 sam87 cpu x in x out adc0 adc1 port 2 p2.0 - p2.7 port 3 p3.0 - p3.1 port i/o and interrupt control 24/32-kbyte rom 272-byte register file timer 0 timer a pwm block pwm counter and data capture 14-bit pwm on- screen display 4-bit adc l-c osc main osc 8 -bit pwm pwm0 pwm1 pwm3 pwm5 pwm2 pwm4 to t0ck adc2 adc3 figure 1 -1. block diagram
product overview ks88c8424/c8432/p8432 1 - 4 pin assignments p2.5/pwm0 p2.1/pwm1 p2.2/pwm2 p2.3/pwm3 p2.4/pwm4 p2.0/pwm5 p2.6/t0 p1.7/t0ck p3.0/adc0 p3.1/adc1 p0.6/adc2 p0.7/adc3 test p1.0/int0 p1.1/int1 p1.2/int2 p1.3/int3 p1.4 p1.5 p1.6 p2.7/osdht p0.0 p0.1 p0.2 p0.3 p0.4 v ss2 capa p0.5 v dd reset x out x in v ss1 osc out osc in v-sync h-sync vblank vred vgreen vblue ks88c8424/ c8432/p8432 42-pin sdip (top view) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 figure 1 -2. ks88c8424/c8432/p8432 pin assignment diagram
ks88c8424/c8432/p8432 product overview 1 - 5 pin descriptions table 1 - 1. ks88c 8424/c8432/p8432 pin descriptions pin name pin type pin description circuit type pin numbers share pins p0. 0?p0.3 i/o general i/o port ( 4 -bit), configurable for digital input or n-channel open-drain, push- pull output. pins can withstand up to 5 v loads. 2 39?42 (see pin description) p0 .4?p0.5 general i/o port (2-bit), configurable for digital input or push-pull output. 3 38, 35 p0.6?p0.7 general i/o port (2-bit), configurable for digital input or n-channel open-drain output. p0.6?p0.7 can withstand up to 5 v loads. multiplexed for alternative use as external inputs, adc2?adc3. 6 11?12 adc2?adc3 p1.0?p1.3 i/o general i/o port (4-bit), configurable for digital input or n-channel open-drain output. p1.0?p1.3 can withstand up to 6 v loads. multiplexed for alternative use as external interrupt inputs, int0?int3. 7 14?17 int0 ?int3 p 1.4?p1.5 general i/o port ( 2 -bit) , configurable for digital input or n-channel open-drain output. p1.4?p1.5 can withstand up to 6 v loads. high current port(10ma) 5 18?19 p1.6?p1.7 general i/o port ( 2 -bit) , configurable for digital input or push-pull output. each pin has an alternative function. p 1.7: t0ck (timer 0 clock input) 3 20, 8 t0ck p2.0?p2.7 i/o general i/o port ( 8- bit) . input/output mode or n-channel open-drain, push-pull output mode are software configurable. pins can withstand up to 5 v loads. each pin has an alternative function. p2.0: pwm5 (8-bit pwm output) p2.1: pwm1 (14-bit pwm output) p2.2: pwm2 (8-bit pwm output) p2.3: pwm3 (8-bit pwm output) p2.4: pwm4 (8-bit pwm output) p2.5: pwm0 (14-bit pwm output) p2.6: t0 (timer 0 pwm and interval output) p2.7: osdht (halftone signal output) 2 1?7, 21 pwm0? pwm5 t0, osdht p3.0?p3.1 i/o general i/o port (2-bit), configurable for digital input or n-channel open-drain output. p3.0?p3.1 can withstand up to 5 v loads. multiplexed for alternative use as external inputs adc0?adc1. 6 9?10 adc0?adc1
product overview ks88c8424/c8432/p8432 1 - 6 table 1 - 1. ks88c 8424/c8432/p8432 pin descriptions (continued) pin name pin type pin description circuit type pin numbers share pins pwm0? pwm1 o output pin for 14-bit pwm circuit 2 1, 2 p2.5, p2.1 pwm2? pwm5 o output pin for 8-bit pwm circuit 2 3?6 p2.2?p2.4, p2.0 adc0?adc3 i analog inputs for 4-bit a/d converter 6 9?12 p3.0?p3.1, p0.6?p0.7 int0?int3 i external interrupt input pins 7 14?17 p1.0?p1.3 t0 o timer 0 output (interval, pwm) 2 7 p2.6 t0ck i timer 0 clock input 3 8 p1.7 osdht o halftone control signal output for osd 2 21 p2.7 vblue, vgreen vred, vblank o digital blue, green, red, and video blank signal outputs for osd 4 22?25 ? h-sync, v-sync i h-sync, v-sync input for osd 1 26, 27 ? osc in , osc out i, o l-c oscillator pins for osd clock frequency generation ? 28, 29 ? x in , x out i, o system clock pins ? 31, 32 ? reset i system reset input pin 8 33 ? test ? test pin (must be connected to v ss ). factory test mode is activated when 12v is applied. ? 13 ? v dd , v ss1, v ss2 ? power supply pins ? 34, 30, 37 ? capa i input for capture a module 1 36 ?
ks88c8424/c8432/p8432 product overview 1 - 7 pin circuits input noise filter figure 1 -3. pin circuit type 1 ( v-sync h-sync, capa) data i/o input v ss open-drain output disable v dd figure 1 -4 . pin circuit type 2 ( p2.0?p2.7, p0.0?p0.3, pwm0?pwm5, t0, osdht )
product overview ks88c8424/c8432/p8432 1 - 8 data i/ o input v ss v dd figure 1 -5 . pin circuit type 3 ( p0.4?p0.5, p1.6?p1.7, t0ck ) data output v ss v dd figure 1 -6 . pin circuit type 4 ( vblue, vgreen, vred, vblank)
ks88c8424/c8432/p8432 product overview 1 - 9 note: circuit type 5 can withstand up to 6 v loads. data i/o v ss input figure 1 -7 . pin circuit type 5 (p1. 4 ?p1. 5 ) note: circuit type 6 can withstand up to 5 v loads. data input a/d in i/o v ss figure 1 -8 . pin circuit type 6 ( p3.0?p3.1, p0.6?p0.7, adc0?adc3 )
product overview ks88c8424/c8432/p8432 1 - 10 note: circuit type 7 can withstand up to 6 v loads. i/o v ss data input int noise filter figure 1 -9. pin circuit type 7 (p 1. 0?p 1.3 , int0?int3) input noise filter 200 k w figure 1 -10. pin circuit type 8 ( reset )
ks88c8424/c8432/p8432 electrical data 1 5- 1 1 5 electrical data overview in this section, the ks88c8424 and the ks88c8432 electrical characteristics are presented in tables and graphs. the information is arranged in the following order: ? absolute maximum ratings ? d.c. electrical characteristics ? i/o capacitance ? a.c. electrical characteristics ? input timing measurement points for t nf1 and t nf2 ? data retention supply voltage in stop mode ? stop mode release timing when initiated by reset ? main oscillator and l-c oscillator frequency ? clock timing measurement points for x in ? main oscillator clock stabilization time (t st ) ? a/d converter electrical characteristics ? characteristic curves
electrical data ks88c8424/c8432/p8432 1 5- 2 table 15- 1. absolute maximum ratings (t a = 25 c) parameter symbol conditions rating unit supply voltage v dd ? ? 0.3 to + 6 .0 v input voltage v i1 p 1 .0?p 1 .5 (open-drain) ? 0.3 to + 7 v v i2 all port pins except v i1 ? 0.3 to v dd + 0.3 output voltage v o all output pins ? 0.3 to v dd + 0.3 v output current high i oh one i/o pin active ? 18 ma all i/o pins active ? 60 output current low i ol one i/o pin active + 30 ma total pin current for port 1 + 100 total pin current for ports 0, 2 , and 3 + 100 operating temperature t a ? ? 2 0 to + 85 c storage temperature t stg ? ? 65 to + 150 c table 15- 2. d.c. electrical characteristics (t a = ? 2 0 c to + 85 c, v dd = 4.5 v to 5.5 v) parameter symbol conditions min typ max unit input high voltage v ih1 all input pins except v ih2 0.8 v dd ? v dd v v ih 2 x i n, x out 2.7 v input low voltage v il1 all input pins except v il2 ? ? 0.2 v dd v v il2 x in, x out 1.0 v output high voltage v oh i oh = ? 500 a p 0.0?p0.5 , p1. 6 ?p1.7 , p2 r, g, b, vblank v dd ? 0.8 ? ? v output low voltage v ol1 i ol = 4 ma p 0.0?p0.5 , p1. 6 ?p1.7 ? ? 0.4 v v ol2 i ol = 1 0 ma p 1.4 ?p1. 5 ? ? 0.8 v ol3 i ol = 2 ma p1.0?p1.3, p 3 .0?p 3.1, p0.6?p0.7 ? ? 0.4 v ol4 i ol = 1 ma r, g, b, vblank, p 2 ? ? 0.4 v
ks88c8424/c8432/p8432 electrical data 1 5- 3 table 15- 2. d.c. electrical characteristics (continued) (t a = ? 2 0 c to + 85 c, v dd = 4.5 v to 5.5 v) parameter symbol conditions min typ max unit input high leakage current i lih1 v in = v dd all input pins except i lih2 and i lih3 ? ? 3 a i lih2 v in = v dd , osc in , o sc out 1 0 i lih3 v in = v dd , x in , x out 2.5 10 2 0 input low leakage current i lil1 v in = 0 v all input pins except i lil2 , i lil3 , and reset ? ? ? 3 a i lil2 v in = 0 v, osc in , osc out ? 1 0 i lil3 v in = 0 v, x in , x out ? 2.5 ? 10 ? 2 0 output high leakage current i loh1 v out = v dd all output pins except i loh2 ? ? 3 a i loh2 v out = 6 v p 1.0?p1.5 1 0 output low leakage current i lol v out = 0 v all output pins ? ? ? 3 a supply current (note) i dd1 normal mode; v dd = 4.5 v to 5.5 v 8-mhz cpu clock ? 7 20 ma i dd2 idle mode; v dd = 4.5 v to 5.5 v 8-mhz cpu clock 2 10 i dd3 stop mode; v dd = 4.5 v to 5.5 v 1 10 a note : supply current does not include the current drawn through internal pull-up resistors or external output current loads.
electrical data ks88c8424/c8432/p8432 1 5- 4 table 15- 3. input/output capacitance (t a = ? 2 0 c to + 85 c, v dd = 0 v) parameter symbol conditions min typ max unit input capacitance c in f = 1 mhz; unmeasured pins are connected to v ss ? ? 10 pf output capacitance c out i/o capacitance c io table 15- 4. a.c. electrical characteristics (t a = ? 2 0 c to + 85 c, v dd = 4.5 v to 5.5 v) parameter symbol conditions min typ max unit v-sync pulse width t vw ? 4 ? ? s h-sync pulse width t hw ? 3 ? ? s noise filter t nf1 p 1.0 ?p 1.3 ? 3 5 0 ? ns t nf2 reset, h-sync, v-sync ? 1000 t nf3 glitch filter (oscillator block) ? 25 t nf 4 capa ? 5 ? t capa note: f capa = f osc /128 t nf1l t nf1 h 0.8 v dd 0.2 v dd 1t cpu t nf2 figure 15- 1. input timing measurement points for t nf1 and t nf2
ks88c8424/c8432/p8432 electrical data 1 5- 5 table 15- 5. data retention supply voltage in stop mode (t a = ? 20 c to + 85 c) parameter symbol conditions min typ max unit data retention supply voltage v dddr stop mode 2 ? 6 v data retention supply current i dddr stop mode, v dddr = 2.0 v ? ? 5 a notes : 1. supply current does not include the current drawn through internal pull-up resistors or external output current loads. 2. during the oscillator stabilization wait time (t wait ), all the cpu operations must be stopped. t wait v dd reset execution of stop instruction v dddr data retention mode stop mode t srel oscillation stabilization time normal operating mode ~ ~ ~ ~ note: t wait is the same as 4096 x 16 x 1 / f osc figure 15- 2. stop mode release timing when initiated by a reset
electrical data ks88c8424/c8432/p8432 1 5- 6 table 15- 6. main oscillator and l-c oscillator frequency (t a = ? 2 0 c + 85 c, v dd = 4.5 v to 5.5 v) oscillator clock circuit conditions min typ max unit crystal c2 c1 x in x out osd block active 5 6 8 mhz osd block inactive 0.5 6 8 ceramic c2 c1 x in x out osd block active 5 6 8 mhz osd block inactive 0.5 6 8 external clock x in x out osd block active 5 6 8 mhz osd block inactive 0.5 6 8 l-c oscillator c2 c1 osc in osc out recommend value; c1 = c2 = 20 pf 5 6.5 8 mhz cpu clock frequency ? 0.032 6.0 8 mhz x in t xl t xh 2.7 v 1.0 v 1 / f osc figure 15- 3. clock timing measurement points for x in
ks88c8424/c8432/p8432 electrical data 1 5- 7 table 15-7 . main oscillator clock stabilization time (t a = ? 2 0 c + 85 c, v dd = 4.5 v to 5.5 v) oscillator symbol test condition min typ max unit crystal ? v dd = 4.5 v to 6.0 v ? ? 20 ms ceramic (oscillation stabilization occurs when v dd is equal to the minimum oscillator voltage range.) 10 external clock x in input high and low level width (t xh , t xl ) 65 ? 100 ns release signal setup time t srel normal operation ? 1000 ? ns oscillation stabilization wait time ( 1 ) t wait cpu clock = 8 mhz; stop mode released by reset ? 8.3 ? ms cpu clock = 8 mhz; stop mode released by an interrupt ( 2 ) notes : 1 . oscillation stabilization time is the time required for the cpu clock to return to its normal oscillation frequency after a power-on occurs, or when stop mode is released. 2 . the oscillation stabilization interval is determined by the basic timer (bt) input clock setting. table 15-8 . a/d converter electrical characteristics (t a = ? 2 0 c to + 85 c, v dd = 4.5 v to 5.5 v, v ss = 0 v) parameter symbol conditions min typ max unit absolute accuracy (1) ? cpu clock = 8 mhz ? ? 0.5 lsb conversion time (2) t con t cpu 25 (3) ? s analog input voltage v ian ? v ss ? v dd v analog input impedance r an ? 2 ? m w notes : 1. excluding quantization error, absolute accuracy values are within 1/2 lsb. 2. 'conversion time' is the time required from the moment a conversion operation starts until it ends. 3. the unit t cpu means one cpu clock period.
electrical data ks88c8424/c8432/p8432 1 5- 8 notes
ks88c8424/c8432/p8432 mechanical data 1 6- 1 1 6 mechanical data overview the ks88c8424 and the ks88c8432 microcontrollers are available in 42-pin sip package (42-sdip-600). note : package dimensions are in millimeters. 42-sdip-600 14.00 0.2 0.50 0.1 39.10 0.2 0 ~ 15 0.25 +0.1 ? 0.05 #1 21 42 22 15.24 (1.77) 1.00 0.1 1.778 0.51min 3.50 0.2 3.30 0.3 5.08max figure 1 6- 1. 42-pin sdip package mechanical data (42-sdip-600)
mechanical data ks88c8424/c8432/p8432 1 6- 2 notes
ks88c8424/c8432/p8432 KS88P8432 otp 17- 1 17 KS88P8432 otp overview the KS88P8432 single-chip cmos microcontroller is the otp (one time programmable) version of the ks88c8424/c8432 microcontroller. it has an on-chip otp rom instead of a masked rom. the eprom is accessed by serial data format. the KS88P8432 is fully compatible with the ks88c8424/c8432, both in function and pin configuration. the simple programming requirements of the KS88P8432 make the device ideal for use as an evaluation chip for the ks88c8424/c8432.
KS88P8432 otp ks88c8424/c8432/p84 32 17- 2 p2.5/pwm0 p2.1 sclk/ p2.2 sdat/ p 2.3 p2.4 p2.0 p2.6 p1.7 p3.0/adc0 p3.1/adc1 p0.6 p0.7 test /test p1.0/int0 p1.1/int1 p1.2 p1.3 p1.4 p1.5 p1.6 p2.7/osdht p0.0 p0.1 p0.2 p0.3 p0.4 v ss2/ v ss capa p0.5 vdd/ vdd reset / reset x out x in v ss1/ v ss osc out osc in v-sync h-sync vblank vred vgreen vblue KS88P8432 42-pin sdip (top view) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 figure 17-1. KS88P8432 pin assignment (42-sdip)
ks88c8424/c8432/p8432 KS88P8432 otp 17- 3 table 17-1. descriptions of pins used to read/write the eprom (KS88P8432) main chip during programming pin name pin name pin no. i/o function p2.3 (pin 4) sdat 4 i/o serial data pin (output when reading, input when writing) input and push-pull output port can be assigned p2.2 (pin 3) sclk 3 i/o serial clock pin (input only pin) test v pp (test) 13 i 0 v: operating mode 5 v: test mode 12.5 v: otp mode reset reset 33 i 5 v: operating mode, 0 v: otp mode v dd /v ss v dd /v ss 34/30, 37 i logic power supply pin. table 17-2. comparison of KS88P8432 and ks88c8424/c8432 features characteristic KS88P8432 ks88c8424/c8432 program memory 32-kbyte eprom 24/32-kbyte mask rom operating voltage (v dd ) 4.5 v to 5.5 v 4.5 v to 5.5 v otp programming mode v dd = 5 v, test v pp = 12.5 v ? pin configuration 42 sdip 42 sdip eprom programmability user program 1 time programmed at the factory operating mode characteristics when 12.5 v is supplied to the v pp (test) pin of the KS88P8432, the eprom programming mode is entered. the operating mode (read, write, or read protection) is selected according to the input signals to the pins listed in table 16-3 below. table 17-3. operating mode selection criteria v dd vpp (test) reg/ mem address (a15-a0) r/ w mode 5 v 5 v 0 0000h 1 eprom read 12.5 v 0 0000h 0 eprom program 12.5 v 0 0000h 1 eprom verify 12.5 v 1 0e3fh 0 eprom read protection note : "0" means low level; "1" means high level.
KS88P8432 otp ks88c8424/c8432/p84 32 17- 4 notes

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