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HT56R644 Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT56R644 Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
7 / 108 page Pin Name I/O Configuration Option Description HT56R644/HT56R654 VLCD I ¾ LCD bias pin - must less than or equal to VDD SEG0/SDO SEG1/SDI/SDA SEG2/SCK/SCL SEG3/SCS SEG4/PCLK SEG5/PINT SEG6~SEG31 COM15/SEG32~ COM8/SEG39 O I/O I/O I/O O I/O O O SIM PINT SEG0~SEG31 are LCD driver outputs for LCD panel segments. SEG0 is pin-shared with the SPI bus data output line, SDO. SEG1 is pin-shared with the SPI bus data input line, SDI and the I 2C Bus data line SDA. SEG2 is pin-shared with the SPI bus clock line, SCK and the I 2C Bus clock line SCL. SEG3 is pin-shared with the SPI bus select line, SCS. SEG4 is pin-shared with the Peripheral Clock line, PCLK. SEG5 is pin-shared with the Peripheral Interrupt line, PINT. The SEG0~SEG23 lines can be can be chosen to be either segment driv- ers or CMOS outputs using control bits in the LCD control registers. COM0~COM7 O ¾ COM0~COM2 are the LCD common outputs. HT56R656 VLCD I ¾ LCD bias pin - must less than or equal to VDD SEG0/SDO SEG1/SDI/SDA SEG2/SCK/SCL SEG3/SCS SEG4/PCLK SEG5/PINT SEG6~SEG47 COM15/SEG48~ COM8/SEG55 O I/O I/O I/O O I/O O O SIM PINT SEG0~SEG47 are LCD driver outputs for LCD panel segments. SEG0 is pin-shared with the SPI bus data output line, SDO. SEG1 is pin-shared with the SPI bus data input line, SDI and the I 2C Bus data line SDA. SEG2 is pin-shared with the SPI bus clock line, SCK and the I 2C Bus clock line SCL. SEG3 is pin-shared with the SPI bus select line, SCS. SEG4 is pin-shared with the Peripheral Clock line, PCLK. SEG5 is pin-shared with the Peripheral Interrupt line, PINT. The SEG0~SEG23 lines can be can be chosen to be either segment driv- ers or CMOS outputs using control bits in the LCD control registers. COM0~COM7 O ¾ COM0~COM7 are the LCD common outputs. Note: The Pin Description tables represents the largest package type available, therefore some of the pins and func- tions may not be available on smaller package types. Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40°Cto85°C IOL Total ................................................................80mA IOH Total.............................................................. -80mA Total Power Dissipation .....................................500mW Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. HT56R62/HT56R65 HT56R642/HT56R644/HT56R654/HT56R656 Rev. 1.00 7 July 20, 2009 |
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