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MC81F4104 Datasheet(PDF) 17 Page - Finechips |
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MC81F4104 Datasheet(HTML) 17 Page - Finechips |
17 / 118 page ![]() MC81F4104 October 19, 2009 Ver.1.35 17 5. PIN DESCRIPTION Pin Names I/O Pin Description Alternative Functions R00 I/O This port is a 1-bit programmable I/O pin. Schmitt trigger input, Push-pull, or Open-drain output port. When used as an input port, a Pull-up resistor can be specified in 1-bit. Xin/AN0 R01 Xout/AN1 R02 AN2 R03 RESETB R04 PWM2O/T2O/ AN4/EXT0 R05 AN5 R06 EC2/AN6/ EXT1 R07 EC3/Vref/AN7/ EXT2 EXT0 I/O External interrupt input/Timer 2 capture input R04/PWM2O/ T2O/AN4 EXT1 I/O External interrupt input R06/EC2/AN6/ EXT2 I/O External interrupt input/Timer 3 capture input R07/EC3/Vref/ AN7 T2O I/O Timer 2 clock output R04/PWM2O/ AN4/EXT0 EC2 I/O Timer 2 event count input R06/AN6/ EXT1 PWM2O I/O PWM 2 clock output R04/T2O/ AN4/EXT0 EC3 I/O Timer 3 event count input R07/Vref/AN7/ EXT2 AN0 I/O ADC input pins R00/Xin AN1 R01/Xout AN2 R02 AN4 R04/PWM2O/ T2O/EXT0 AN5 R05 AN6 R06/EC2/EXT1 AN7 R07/EC3/Vref/ EXT2 RESETB I System reset pin R03 XIN – Main oscillator pins R00/AN0, XOUT R01/AN1 VDD – Power input pins – VSS – VREF – A/D converter reference voltage R07/AN7/EC3/ EXT2 |
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