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HT56R22 Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT56R22 Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
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5 / 131 page  Pin Description HT56R22 Pin Name Function OPT I/T O/T Description PA0/AN0 PA0 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. AN0 ADCR AN ¾ A/D channel 0 PA1/AN1 PA1 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. AN1 ADCR AN ¾ A/D channel 1 PA2/AN2 PA2 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. AN2 ADCR AN ¾ A/D channel 2 PA3/PFD/AN3 PA3 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. PFD CO PINMAP ST ¾ PFD output AN3 ADCR AN ¾ A/D channel 3 PA4/INT0/AN4/VDDIO PA4 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. INT0 PINMAP ST ¾ External interrupt 0 input AN4 ADCR AN ¾ A/D channel 4 VDDIO CO PWR ¾ VDDIO power input PA5/TC0/SDO1/AN5 PA5 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. TC0 PINMAP ST ¾ External Timer 0 clock input SDO1 CO SPICTL0 ¾ CMOS SPI1 serial data output AN5 ADCR AN ¾ A/D channel 5 PA6/INT1/SDI1/AN6 PA6 PAPU PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up. INT1 PINMAP ST ¾ External interrupt 1 input SDI1 CO SPICTL0 ¾ CMOS SPI1 serial data input AN6 ADCR AN ¾ A/D channel 6 PA7/TC1/SCK1/AN7 PA7 PAWK ST CMOS General purpose I/O. Register enabled wake-up. TC1 PINMAP ST ¾ External Timer 1 clock input SCK1 CO SPICTL0 ST CMOS SPI1 serial clock input or output AN7 ADCR AN ¾ A/D channel 7 PB0/SCK0/SCL/SCOM0 PB0 PBPU ST CMOS General purpose I/O. Register enabled pull-up. SCK0 CO SIMCTL0 ST CMOS SPI1 serial clock input or output SCL CO SIMCTL0 ST ¾ I 2C serial clock input SCOM0 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM HT56R22/HT56R23/HT56R24/HT56R25/HT56R26 Rev. 1.00 5 March 11, 2010 |
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