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MPC82E54AP Datasheet(PDF) 6 Page - Megawin Technology Co., Ltd |
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MPC82E54AP Datasheet(HTML) 6 Page - Megawin Technology Co., Ltd |
6 / 74 page 6 MPC82x54A Data Sheet MEGAWIN Pin Description Pin Definition PIN NUMBER PinName PLCC-32 PDIP-28 PDIP-20 TYPE DESCRIPTION P2.2 1 1 BU P2.2: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. P2.3 2 2 BU P2.3: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. RST 3 3 1 ID RST: = A high duty on this pin keeps for at least 10us plus 36 oscillation cycles will reset the device. P3.0(RXD) 4 4 2 BU P3.0: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. RXD: = Data Receiving pin for built-in UART functionality. P3.1(TXD) 5 5 3 BU P3.1: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. TXD: = Data Transmitting pin for built-in UART functionality. P0.0 6 BU P0.0: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. XTALO 7 6 4 O XTALO: = Output from the inverting oscillator amplifier. XTALI 8 7 5 I XTALI: = Input to the inverting oscillator amplifier. P3.2(INT0) 9 8 6 BU P3.2: = General purpose 4-state I/O port with internal pull-up mechanism; can be configured as open-drain output. INT0: = External interrupt source |
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