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HT56R26 Datasheet(PDF) 8 Page - Holtek Semiconductor Inc |
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HT56R26 Datasheet(HTML) 8 Page - Holtek Semiconductor Inc |
8 / 127 page Pin Name Function OPT I/T O/T Description 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 PB1/SCS0/SCOM1 PB1 PBPU ST CMOS General purpose I/O. Register enabled pull-up. SCS0 CO SIMCTL0 ST CMOS SPI0 select control pin SCOM1 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM PB2/PCLK/SCOM2 PB2 PBPU ST CMOS General purpose I/O. Register enabled pull-up. PCLK CO SIMCTL0 ¾ CMOS Peripheral clock output SCOM2 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM PB3/PINT/SCOM3 PB3 PBPU ST CMOS General purpose I/O. Register enabled pull-up. PINT ¾ ST ¾ Peripheral interrupt input, falling edge trigger SCOM3 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM PB4/BZ PB4 PBPU ST CMOS General purpose I/O. Register enabled pull-up. BZ CO ¾¾ Buzzer output PB5/BZ PB5 PBPU ST CMOS General purpose I/O. Register enabled pull-up. BZ CO ¾¾ Buzzer bar output PB6/TC2 PB6 PBPU ST CMOS General purpose I/O. Register enabled pull-up. TC2 ¾ ST ¾ External Timer 2 clock input PB7 PB7 PBPU ST CMOS General purpose I/O. Register enabled pull-up. PC0/OSC1 PC0 PCPU ST CMOS General purpose I/O. Register enabled pull-up. OSC1 CO AN ¾ Oscillator pin PC1/OSC2 PC1 PCPU ST CMOS General purpose I/O. Register enabled pull-up. OSC2 CO ¾ CMOS Oscillator pin PC2/XT1 PC2 PCPU ST CMOS General purpose I/O. Register enabled pull-up. XT1 CO ¾ CMOS Oscillator pin PC3/XT2 PC3 PCPU ST CMOS General purpose I/O. Register enabled pull-up. XT2 CO ¾ LXT Oscillator pin PC4~PC5 PCn PCPU ST CMOS General purpose I/O. Register enabled pull-up. PC6/AUD PC6 PCPU ST CMOS General purpose I/O. Register enabled pull-up. AUD CO DACTRL ¾ AO Audio output PC7/RES PC7 PCPU ST NMOS General purpose I/O. Register enabled pull-up. RES CO ST ¾ Reset input PD0/PWM0/SDI0/SDA PD0 PDPU ST CMOS General purpose I/O. Register enabled pull-up. PWM0 PINMAP ¾ CMOS PWM0 output SDI0 CO SIMCTL0 ST ¾ SPI0 serial data input SDA CO SIMCTL0 ST OD I 2C data input or output HT56R22/HT56R23/HT56R24/HT56R25/HT56R26 Rev. 1.30 8 December 26, 2014 |
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Similar Description - HT56R26 |
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