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Rev 1.0.0 APG013 8-bit RISC Microcontroller USER MANUAL 1.3. Pin description Table 1-1: APG013 pin description Name Pin # 8-pin Direction Function PB0/INT0B 7 I/O Bidirectional input/output port System wakeup Configurable weak pull-down resistor Configurable weak pull-up resistor Configurable open-drain output External interrupt input PB1/INT1B 6 I/O Bidirectional input/output port System wakeup Configurable weak pull-down resistor Configurable weak pull-up resistor Configurable open-drain output External interrupt input PB2/T0CK/T0PWM 5 I/O Bidirectional input/output port System wakeup Configurable weak pull-down resistor Configurable weak pull-up resistor Configurable open-drain output Timer0 external clock input Timer0 PWM output PB3/RSTB 4 I Input only port System wakeup System reset PB4/XOUT 3 I/O Bidirectional input/output port System wakeup System clock output Configurable weak pull-up resistor Configurable open-drain output XOSC clock output © 2011 AppoTech Ltd 7 APG013-UM-100-EN