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| PL-2305 USB to IEEE 1284 Bridge Controller Product Datasheet Document Revision 1.1 Document Release: August, 2002 w w w .d ee sh ta a u. t4 om c Prolific Technology Inc. www..com Release Date: August, 2002 ds_PL2305_v11 PL-2305 USB to IEEE 1284 Bridge Controller 1.0 Features Full compliance with the Universal Serial Bus Specification Version 1.1 Full compliance with the Universal Serial Bus Device Class Definition for Printing Devices Version 1.0 Full compliance with the IEEE std 1284-1994 - "IEEE Standard Signaling Method for a Bi-directional Parallel Peripheral Interface for Personal Computers" On chip transceivers and regulator for USB interface Fully automatic high speed bi-directional communication over parallel port 512 Bytes unified data buffer dynamically allocated for upstream and downstream data transfer Drivers provided for Microsoft Windows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igure 1. PL-2305 Block Diagram PL-2305 Product Datasheet -2- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 2.0 Overview The PL-2305 integrated circuit provides a high-speed bi-directional bridge between the Universal Serial Bus (USB) system and IEEE-1284 parallel port peripheral devices. It is designed to be a flexible, high performance, and low-cost single-chip solution for USB cable as well as USB ready peripheral manufacturers. Supporting for multi-function devices, such as Printer-FAX-Scanner-Copier all-in-one device, is one of the major design considerations of PL-2305. It provides well-balanced bi-directional data transferring. Retrieving data from external device could be as efficient as transmitting data through this chip. Ease of programming is another major design consideration of PL-2305. The vendor specific requests of PL-2305 are so defined to reduce the USB bus traffic and hence minimize the host software overhead. The external serial EEPROM support gives the user of PL-2305 options to customize this chip to show their identity. The user could modify the Vendor ID, Product ID, Language ID, manufacturer string, product string, and serial number strings of the final product. They could also use this EEPROM to store authorization/security codes. For large quantity orders, it is also possible to modify the Maskable ROM (Read Only Memory) of PL-2305 to better represent the final product manufacturer and thus eliminate the need for external EEPROM. PL-2305 Product Datasheet -3- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 3.0 Pin Description GND Reserved Reserved XTEST XIN XOUT PLLVCC PLLTEST PLLGND SUSPEND USBGND DMINUS DPLUS USBVCC ZREGVCC VCC RESETJ NC RWAKEUPJ NC SCL SDA NC VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 SSOP 48 (300 mil) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 XPLH XATFJ XSEL XPERR XBUSY XACKJ PD7 VCC NC PD6 PD5 NC PD4 NC PD3 PD2 GND NC PD1 PD0 XSTBJ XINIJ XFLTJ XSLIJ Figure 2. PL-2305 Pin Diagram Table 1. Pins Description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol GND Reserved Reserved XTEST XIN XOUT PLLVCC PLLTEST PLLGND NC USBGND DMINUS DPLUS USBVCC ZREGVCC VCC Type P - - I I O P I P - P I/O I/O P P P Description Ground. Reserved, must be tied to ground. Reserved, must be tied to ground. Core test pin must be tied to ground for normal operation. Crystal in or CMOS oscillator input. Crystal out or no connection. 5V Analog Power Supply for on-chip PLL. PLL test pin must be tied to ground for normal operation. Analog Ground for on-chip PLL. No connection. Ground for on-chip USB transceiver. USB D- signal. USB D+ signal. 3.3V Power Supply for on-chip USB transceiver. 3.3V output from on-chip 5V-to-3.3V regulator. 5V Power Supply for on-chip 5V-to-3.3V regulator. PL-2305 Product Datasheet -4- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 Pin 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Type: Symbol RESETJ NC RWAKEUPJ NC SCL SDA NC VCC XSLIJ XFLTJ XINIJ XSTBJ PD0 PD1 NC GND PD2 PD3 NC PD4 NC PD5 PD6 NC VCC PD7 XACKJ XBUSY XPERR XSEL XATFJ XPLH I - Input signal Type I - I - I/O I/O - P O I O O I/O I/O - P I/O I/O - I/O - I/O I/O - P I/O I I I I O I Description Optional external Power-On-Reset signal. No connection. USB Remote Wake enable, tied to VCC if no remote wake up control is available.* No connection. Clock for external Serial EEPROM. Data/Address for external Serial EEPROM. No connection. 5V Power Supply. nSelectIn signal for Parallel port. nFault signal for Parallel port. nInit signal for Parallel port. nStrobe signal for Parallel port. Data bit 0 for Parallel port. Data bit 1 for Parallel port. No connection. Ground. Data bit 2 for Parallel port. Data bit 3 for Parallel port. No connection. Data bit 4 for Parallel port. No connection. Data bit 5 for Parallel port. Data bit 6 for Parallel port. No connection. 5V Power Supply. Data bit 7 for Parallel port. nAck signal for Parallel port. Busy signal for Parallel port. PError signal for Parallel port. Select signal for Parallel port. nAutoFd signal for Parallel port. PLH signal for Parallel port. I/O - Bi-directional signal P - Power/Ground O - Output signal PL-2305 Product Datasheet -5- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 4.0 USB Port Descriptor PL-2305 supports the following standard USB descriptors: * * * * Device - PL-2305 has one device descriptor. Configuration - PL-2305 has one default configuration descriptor that supports one interface. Interface - PL-2305 has a single data interface with three possible alternates. Endpoint - PL-2305 supports the following endpoints: Bulk Out endpoint for PDL/PCP data. Optional Bulk In endpoint for status and other return/upstream information. Optional Interrupt endpoint for asynchronous event handling. * String 4.1 Device Descriptor Offset 0 1 2 4 5 6 7 8 10 12 14 15 16 17 Note: (1) - These default values shown here could be modified by external EEPROM; (2) - The default string is "Prolific Technology Inc." in UNICODE format and could be replaced by the contents of external EEPROM; (3) - The default string is "IEEE-1284 Controller" in UNICODE format and could be replaced by the contents of external EEPROM; (4) - The default string is "0" in UNICODE format and could be replaced by the contents of external EEPROM. Field bLength bDescriptorType bcdUSB bDeviceClass bDeviceSubclass bDeviceProtocol wMaxPacketSize0 idVendor idProduct bcdDevice iManufacturer iProduct iSerialNumber bNumConfigurations Size Byte Byte Word Byte Byte Byte Byte Word Word Word Byte Byte Byte Byte Value 12h 01h 0100h 00h 00h 00h 08h 067Bh 2303h 0100h 01h 02h 03h 01h Description Size of this descriptor in bytes. DEVICE descriptor type. USB Specification version 1.0 Interface Specific. Interface Specific. Interface Specific. Maximum packet size for endpoint 0 is 8. (1) Vendor ID for Prolific Technologies. (1) Product ID for PL-2305. (1) Device Release 1.0. (2) String index 1 describes manufacturer. (3) String index 2 describes product. (4) String index 3 describes serial number. One possible configurations. PL-2305 Product Datasheet -6- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 4.2 Configuration Descriptor Offset 0 1 2 4 5 6 7 8 Field bLength bDescriptorType bTotalLength bNumInterfaces bConfigurationValue iConfiguration bmAttributes MaxPower Size Byte Byte Word Byte Byte Byte Byte Byte Value 09h 02h 004Eh 01h 01h 00h A0h 32h Description Size of this descriptor in bytes. CONFIGURATION descriptor type. 78 bytes of all INTERFACE & ENDPOINT. The PL-2305 has one interface. Value to write to the Device Configuration Register (DCR) to select this configuration. No string description for this. Configuration characteristics: Bus Powered & Remote Wakeup. Maximum power consumption is 100 mA. 4.3 Interface Descriptors The PL-2305 supports a single data interface with three alternate settings. Alternate 0 and 1 are "USB Device Class Definition for Printing Devices" compliant. Alternate 3 is vendor specific to support more complicate IEEE-1284 device operations. 4.3.1 Interface 0, Alternate Setting 0 (I0:A0) This is a Unidirectional Interface, which supports sending the data to the printer via a Bulk Out endpoint. Status data that is compatible with Centronic parallel port is retrieved via the Class-Specific command GET_PORT_STATUS over the default control pipe. Interface Descriptor, I0:A0 Offset 0 1 2 3 4 5 6 7 8 Field bLength bDescriptorType bInterfaceNumber bAlternateSetting bNumEndpoints bInterfaceClass iInterfaceSubClass bInterfaceProtocol iInterface Size Byte Byte Byte Byte Byte Byte Byte Byte Byte Value 09h 04h 00h 00h 01h 07h 01h 01h 00h Description Size of this descriptor in bytes. INTERFACE descriptor type. Interface 0. Alternate 0. Supports endpoint 0 and 1. Printer Class. Printer Subclass. Unidirectional Interface. No String descriptor for this interface. PL-2305 Product Datasheet -7- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 Bulk Out Endpoint Descriptor, I0:A0:E1 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 01h 02h 0040h 00h Description Size of this descriptor in bytes. ENDPOINT descriptor type. Out Endpoint 1. BULK Endpoint Maximum packet size is 64. N/A 4.3.2 Interface 0, Alternate Setting 1 (I0:A1) This is a Bi-directional Interface, which supports sending the data to the printer via a Bulk Out endpoint, and receiving status and other information from the printer via a Bulk In endpoint. Status data that is compatible with Centronic Parallel port is also available via the GET_PORT_STATUS class-specific request. Interface Descriptor, I0:A1 Offset 0 1 2 3 4 5 6 7 8 Field bLength bDescriptorType bInterfaceNumber bAlternateSetting bNumEndpoints bInterfaceClass iInterfaceSubClass bInterfaceProtocol iInterface Size Byte Byte Byte Byte Byte Byte Byte Byte Byte Value 09h 04h 00h 01h 02h 07h 01h 02h 00h Description Size of this descriptor in bytes. INTERFACE descriptor type. Interface 0. Alternate 1. Supports endpoint 0, 1, and 2. Printer Class. Printer Subclass. Bi-directional Interface. No String descriptor for this interface. Bulk Out Endpoint Descriptor, I0:A1:E1 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 01h 02h 0040h 00h Description Size of this descriptor in bytes. ENDPOINT descriptor type. Out Endpoint 1. BULK Endpoint Maximum packet size is 64. N/A PL-2305 Product Datasheet -8- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 Bulk In Endpoint Descriptor, I0:A1:E2 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 82h 02h 0040h 00h Description Size of this descriptor in bytes. ENDPOINT descriptor type. In Endpoint 2. BULK Endpoint Maximum packet size is 64. N/A 4.3.3 Interface 0, Alternate Setting 2 (I0:A2) Interface Descriptor, I0:A2 Offset 0 1 2 3 4 5 6 7 8 Field bLength bDescriptorType bInterfaceNumber bAlternateSetting bNumEndpoints bInterfaceClass iInterfaceSubClass bInterfaceProtocol iInterface Size Byte Byte Byte Byte Byte Byte Byte Byte Byte Value 09h 04h 00h 02h 03h FFh 00h FFh 00h Description Size of this descriptor in bytes. INTERFACE descriptor type. Interface 0. Alternate 2. Supports endpoint 0, 1, 2, and 3. Vendor specific. - Vendor specific. No String descriptor for this interface. Bulk Out Endpoint Descriptor, I0:A2:E1 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 01h 02h 0040h 00h Description Size of this descriptor in bytes. ENDPOINT descriptor type. Out Endpoint 1. BULK Endpoint Maximum packet size is 64. N/A Bulk In Endpoint Descriptor, I0:A2:E2 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 82h 02h 0040h 00h Description Size of this descriptor in bytes. ENDPOINT descriptor type. In Endpoint 2. BULK Endpoint Maximum packet size is 64. N/A PL-2305 Product Datasheet -9- Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 Bulk In Endpoint Descriptor, I0:A2:E3 Offset 0 1 2 3 4 6 Field bLength bDescriptorType bEndpointAddress bmAttributes wMaxPacketSize bInterval Size Byte Byte Byte Byte Word Byte Value 07h 05h 83h 03h 0004h 01h Description Size of this descriptor in bytes. ENDPOINT descriptor type. In Endpoint 3. INTERRUPT Endpoint Maximum packet size is 4. This pipe should be pulled every frame. 5.0 Device Control Requests PL-2305 supports three types of requests: * * * Standard USB device requests, which perform general functions for supporting the bus and bus related functions. Printer class specific requests, which cause the device to transfer command/data to or from the device. Vendor specific requests, which gives the host thorough controls over the parallel port and access to the full capabilities of IEEE-1284 specification. 5.1 Standard Device Control Requests * SET_FEATURE/CLEAR_FEATURE: Supports DEVICE_REMOTE_WAKEUP and ENDPOINT_STALL for all endpoints. Mismatched bmRequestType or endpoint number will cause STALL. * * * * * SET_CONFIGURATION/GET_CONFIGURATION GET_INTERFACE/SET_INTERFACE SET_ADDRESS GET_STATUS GET_DESCRIPTOR Note: SET_DESCRIPTOR and SYNCH_FRAME are not supported by the PL-2305. 5.2 Printer Class-Specific Device Requests Label GET_DEVICE_ID GET_PORT_STATUS SOFT_RESET bmRequestType 10100001b 10100001b 00100011b bRequest 0 1 2 wValue 0 0 0 wIndex 0 0 0 wLength Data Max. 1284 Device Length ID String 1 BYTE 0 None PL-2305 Product Datasheet - 10 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 5.2.1 GET_DEVICE_ID Request (0) This printer class-specific request returns a Device ID string that is compatible with IEEE-1284. See IEEE-1284 Specification for syntax and formatting information. The returned data of this request is a sequence of byte retrieved from the peripheral directly. The first two bytes are the length of the sequence. The first byte is the most significant byte. (Length value 0x0000, 0x0001, and 0x0002 are reserved.) The following sequence shows a simple Device ID string: {0x00, 0x0F, "MFG: Prolific"}. The total length of this string is 15, including the two length bytes. In case that the peripheral does not support the Device ID request, the PL-2305 would return a zero-length data packet to the host. 5.2.2 GET_PORT_STATUS Request (1) This class-specific request returns the current status of the status register of the Centronic parallel port. The following table defines the data returned. USB Data transfers use ACK and NAK replaces Centronic Busy and Ack status. Symbol - Paper Empty Select Not Error - Bit 7:6 5 4 3 2:0 Description Reserved, must be zero. 0 - Paper not empty; 1 - Paper empty. 0 - Not selected; 1 - Selected. 0 -Error; 1 -No Error. Reserved, must be zero. Note 5.2.3 SOFT_RESET Request (2) This class-specific request flushes all buffers and resets the Bulk-Out and Bulk-In pipes to their default states. This reset does not changes the USB addressing and USB configuration. 5.3 Vendor-Specific Device Requests The PL-2305 defines a set of vendor-specific requests to provide more versatile control over the IEEE-1284 parallel port for the system programmer. The standard and class-specific requests should be suffice to support most printer type peripherals. However, to gain most performance out of the parallel port for some multi-functional type of devices or to handle some not so compatible parallel port implementations, the following vendor-specific requests might become handy. PL-2305 Product Datasheet - 11 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 6.0 Data Format Defined in EEPROM The EEPROM is organized as following: Address 1:0 3:2 5:4 7:6 8 9 255:8 Content Check Word (Predefined constant) Vendor ID (idVendor field of Device Descriptor) Product ID (idProduct field of Device Descriptor) Device Release Number (bdcDevice field of Device Descriptor) Configuration Attribute Configuration MaxPower String Descriptor Table Note The String Descriptor table is a linked data structure that holds all string descriptors recognized by this chip in the order of its index. The first entry, String 0, represents the Language ID, as defined by the USB specification. The second entry, String 1, is the Manufacturer Descriptor, as defined by the Device Descriptor of PL-2305. The third and forth entries, String 2 and 3, are the Product Descriptor and Serial Number, respective, also defined by the Device Descriptor. The user has the option to define String 4, 5, and 6 for their own private use. Each of the these String Descriptor Entries is of the following data structure: Offset 0 1 2 Field bLength bDescriptorType bString Size 1 1 N Value Length of the string plus 2, i.e. (N + 2). 03h - STRING Descriptor type. UNICODE encoded string. Note The last entry of this table must have bLength of 0 to indicate the end of this table. If the host tries to access to the string descriptor beyond the last one, a zero-length data will be returned. The following table shows one example of valid EEPROM contents. Offset 0:1 2:3 4:5 6:7 8 Content Check Word Vendor ID - 0x067B Product ID - 0x2305 Device Release Number - 0x0100 Attributes - 0xA0 Note Constant 9 MaxPower - 0x32 D7 Bus Powered D6 Self Powered D5 Remote Wakeup D4:D0 reserved For devices that use power form the bus and a local source sets both D7 and D6. Expressed in 2mA units (i.e.,50=100mA) PL-2305 Product Datasheet - 12 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 Offset 15:10 16 17 19:18 20 21 69:22 Content must be "0x00" 0x04 0x03 0x0409 0x32 0x03 `P', 0x00, `r', 0x00, `o', 0x00, `l', 0x00, `i', 0x00, `f', 0x00, `i', 0x00, `c', 0x00, ` `, 0x00, `T', 0x00, `e', 0x00, `c', 0x00, `h', 0x00, `n', 0x00, `o', 0x00, `l', 0x00, `o', 0x00, `g', 0x00, `y', 0x00, ` `, 0x00, `I', 0x00, `n', 0x00, `c', 0x00, `.' , 0x00 0x2A 0x03 `I', 0x00, `E', 0x00, `E', 0x00, `E', 0x00, `-`, 0x00, `1', 0x00, `2', 0x00, `8', 0x00, `4', 0x00, ` `, 0x00, `C', 0x00, `o', 0x00, `n', 0x00, `t', 0x00, `r', 0x00, `o', 0x00, `l', 0x00, `l', 0x00, `e', 0x00, `r' , 0x00 0x0A 0x03 `0', 0x00, `1', 0x00, `2', 0x00, `3', 0x00 0x00 Note Reserved for future use String Index 0 Language ID for English (United States). String Index 1 "Prolific Technology Inc." - manufacturer description. 0x00 is padded for UNICODE. String Index 2 "IEEE-1284 Controller" - device description. 0x00 is padded for UNICODE. String Index 3 "3210" - serial number, End of String Descriptor Table. 70 71 111:72 112 113 121:114 122 The user could also define other strings, 4 to 6, to hold useful information for the drivers and/or applications, such as software authorization codes, public key for password encryption, symbolic names, just to name a few. However, the total length of this table must not exceed 256 bytes, the supported maximum size of external EEPROM. PL-2305 Product Datasheet - 13 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 7. DC Characteristics 7.1 Absolute Maximum Ratings Symbol Vcc Vin Vout Tstg Parameter Power Supply Input Voltage Output Voltage Storage Temperature Rating -0.3 to 6.0 -0.3 to Vcc+0.3 -0.3 to Vcc+0.3 -55 to 150 Units V V V C 7.2 Recommended Operation Conditions Symbol Vcc Vin Tj Parameter Commercial Power Supply Input Voltage Commercial Junction Operation Temperature Min 4.75 0 0 Typ 5.0 25 Max 5.25 Vcc 115 Units V V C 7.3 General DC Characteristics Symbol Iil Ioz Cin Cout Cbid3 Parameter Input leakage current Tri-state leakage current Input capacitance Output capacitance Bi-directional buffer capacitance Conditions No pull-up or pull-down Min -1 -10 3 3 3 Typ Max 1 10 Units uA uA pF pF pF Note: The Capacitance listed above does not include PAD capacitance and package capacitance. PL-2305 Product Datasheet - 14 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 7.4 DC Electrical Characteristics for 5V Operation Symbol Vil Vih VtVt+ Vol Parameter Input low voltage Input high voltage Schmitt trigger negative going threshold voltage Schmitt trigger positive going threshold voltage Output low voltage Conditions CMOS CMOS CMOS CMOS Iol=12mA and Pin=PD7~PD0, XSLIJ, XINIJ, XSTBJ, or XATFJ Ioh=12mA and Pin=PD7~PD0 Vil=0 V or Vih = Vcc and Pin=PD7~PD0 Min 0.7*Vcc 1.84 3.22 0.4 Typ Max 0.3*Vcc Units V V V V V Voh Ri Output high voltage Input pull-up/pull-down resistance 3.5 50 V K 7.5 USB Transceiver Characteristics Parameter Rise and Fall Times: (10%90%) (90%10%) Cross Point Output Impedance High Level Output Low Level Output Note: CL = 50pf Symbol TR TF Vcr RD VoH VoL Min 4 4 1.3 23 2.8 -Typ 8 8 -28 --Max 15 15 2.0 33 -0.7 Unit ns ns V ohm V V PL-2305 Product Datasheet - 15 - Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 8.0 Outline Diagram 48-Pin SSOP Symbol A A1 A2 b c D E e HE L L1 S 48 Min 0.095 0.008 0.085 0.008 0.006 -0.291 -0.395 0.025 0.049 -Dimension in inch Nom 0.102 0.012 0.090 0.010 0.008 0.625 0.295 0.025 0.408 0.030 0.057 -Max 0.110 0.016 0.095 0.013 0.010 0.637 0.299 -0.420 0.040 0.063 0.035 Min 2.41 0.20 2.16 0.20 0.15 -7.39 -10.03 0.64 1.24 -25 Dimension in mm Nom 2.59 0.30 2.29 0.25 0.20 15.88 7.49 0.64 10.36 0.76 1.45 -Max 2.79 0.41 2.41 0.33 0.25 16.18 7.59 -10.67 1.02 1.60 0.69 E HE 1 b D 24 A2 S e A1 A Detail A c 0.25 L Detail A L1 Figure 3. PL-2305 Product Datasheet PL-2305 Outline Diagram - 16 Document Revision 1.1 Release Date: August, 2002 ds_PL2305_v11 9.0 Chip Revision History Revision E2: Add additional mode selection options defined in MSM register to cooperate with diverse printers. Revision F: Add additional option to enable fast upstream data transfer in ECP mode. Modified the EPP mode related requests and the control settings of upstream flow. Definition of pin 10 and pin 19 are different also. The iSerialNumber field in device descriptor is changed to 00h. Revision H: Newly added request GET_CHIP_VERSION Reserved range of EEPROM is expended from 8 to 16 bytes to host more user-defined variables. SIE circuit modified. PL-2305 Product Datasheet - 17 - Document Revision 1.1 |
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