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HT45F3W Datasheet(PDF) 9 Page - Holtek Semiconductor Inc |
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HT45F3W Datasheet(HTML) 9 Page - Holtek Semiconductor Inc |
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9 / 167 page  Rev. 1.50 8 De�e��e� 01� �01� Rev. 1.50 9 De�e��e� 01� �01� HT45F3W R-Type Blood Pressure Meter Flash MCU HT45F3W R-Type Blood Pressure Meter Flash MCU Pin Description Pin Name Function OPT I/T O/T Description PA0/ICPDA/ OCDSDA PA0 PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. ICPDA — ST CMOS ICP Add�ess/Data OCDSDA — ST CMOS OCDS Add�ess/Data� fo� EV �hip only. PA1/INT0 PA1 PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. INT0 — ST — Exte�nal Inte��upt 0 PA�/ICPCK/ OCDSCK PA� PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. ICPCK — ST — ICP Clo�k pin OCDSCK — ST — OCDS Clo�k pin� fo� EV �hip only. PA3/XT� PA3 PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. XT� CO — LXT Low f�equen�y ��ystal pin PA4/XT1 PA4 PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. XT1 CO LXT — Low f�equen�y ��ystal pin PA5/OSC1 PA5 PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. OSC1 CO OSC — Os�illato� pin PA�/OSC� PA� PAPU PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high and wake-up. OSC� CO — OSC Os�illato� pin PA7/VDDSPI PA7 PAWK ST CMOS Gene�al pu�pose I/O. Registe� ena�led wake-up. VDDSPI VDDSPICR VI — SPI0/SPI1 exte�nal voltage input pin PB0/S1CS/ AN0/VREF PB0 PBPU ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high. If the pull-high is ena�led� the pin will �e �onne�ted via a �esisto� to VOCHP. (It is �e�o��ended that the �ha�ge pu�p is ena�led to p�event leakage.) S1CS SPI1C0 ST — SPI1 Slave Sele�t AN0 ADCR AN — A/D �hannel 0 VREF ACSR VI — ADC �efe�en�e voltage input pin PB1/S1DO/ TCK�/AN1 PB1 PBPU ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high. If the pull-high is ena�led� the pin will �e �onne�ted via a �esisto� to VOCHP. (It is �e�o��ended that the �ha�ge pu�p is ena�led to p�event leakage.) S1DO SPI1C0 — CMOS SPI1 Data output TCK� TM�C0 ST — TM� input AN1 ADCR AN — A/D �hannel 1 PB�/S1DI/ TP�_1/AN� PB� PBPU ST CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high. If the pull-high is ena�led� the pin will �e �onne�ted via a �esisto� to VOCHP. (It is �e�o��ended that the �ha�ge pu�p is ena�led to p�event leakage.) S1DI SPI1C0 ST — SPI1 Data input TP�_1 — ST CMOS TM� output AN� ADCR AN — A/D �hannel � |
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