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BS85C20-3 Datasheet(PDF) 10 Page - Holtek Semiconductor Inc |
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BS85C20-3 Datasheet(HTML) 10 Page - Holtek Semiconductor Inc |
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10 / 182 page  Pin Description The function of each pin is listed in the following table, however the details behind how each pin is configured is contained in other sections of the datasheet. BS85B12-3 Pin Name Function Register Select I/T O/T Description PA0/SDI/SDA PA0 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SDI SIMC0 ST ¾ SPI data input SDA SIMC0 ST NMOS I 2 C data I/O PA1/TCK1/ INT1/SSEG10 PA1 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. TCK1 TM1C0 ST ¾ Timer Module 1 input INT1 INTC0 ST ¾ External interrupt 1 input SSEG10 SLCDCn ¾ LCD Software controlled LCD SEG PA2/SCK/SCL PA2 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SCK SIMC0 ST CMOS SPI serial clock SCL SIMC0 ST NMOS I 2 C clock PA3/SCS PA3 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SCS SIMC0 ST CMOS SPI slave select PA4/TCK0/ INT0/SSEG11 PA4 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. TCK0 TM0C0 ST ¾ Timer Module 0 input INT0 INTC0 ST ¾ External interrupt 0 input SSEG11 SLCDCn ¾ LCD Software controlled LCD SEG PA5/SSEG12 PA5 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SSEG12 SLCDCn ¾ LCD Software controlled LCD SEG PA6/SSEG13 PA6 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SSEG13 SLCDCn ¾ LCD Software controlled LCD SEG PA7/SDO PA7 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SDO SIMC0 ¾ CMOS SPI data output PB0/TP0_0/ SCOM0 PB0 PBPU ST CMOS General purpose I/O. Register enabled pull-up. TP0_0 TMPCn ST CMOS TM0 I/O SCOM0 SLCDCn ¾ LCD Software controlled LCD COM PB1/TP0_1/ SCOM1 PB1 PBPU ST CMOS General purpose I/O. Register enabled pull-up. TP0_1 TMPCn ST CMOS TM0 I/O SCOM1 SLCDCn ¾ LCD Software controlled LCD COM Rev. 1.00 4 February 1, 2011 BS85B12-3/BS85C20-3 Touch Key Flash MCU with LCD/LED Driver |
Similar Part No. - BS85C20-3 |
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Similar Description - BS85C20-3 |
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