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SC73P1601MTR Datasheet(PDF) 4 Page - Silan Microelectronics Joint-stock |
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SC73P1601MTR Datasheet(HTML) 4 Page - Silan Microelectronics Joint-stock |
4 / 22 page SC73P1601 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.4 2009.08.03 Http: www.silan.com.cn Page 4 of 22 PIN DESCRIPTIONS Normal mode Symbol Description VDD Power Supply (2.0V~4.0V) GND Ground XT1 Oscillator output pin XT2 Oscillator input pin P00~P03 4-bit I/O pin. In input mode, it is used as the keyboard-scan input port (with internal pull-down resistor). In output mode, it is used as the keyboard-scan output port. P10~P13 4-bit I/O pin. In input mode, it is used as the keyboard-scan input port (with internal pull-down resistor). In output mode, it is used as the keyboard-scan output port. P20~P23 4-bit I/O pin. In input mode, it is used as the keyboard-scan input port (with internal pull-down resistor). In output mode, it is used as the keyboard-scan output port. P50 1-bit input pin with pull-down resistor, used for keyboard-scan input. P51 1-bit I/O pin. In input mode, it is used as the keyboard-scan input port (with internal pull-down resistor). In output mode, it is used as the keyboard-scan output port. P52 1-bit I/O pin. In input mode, it is used as the keyboard-scan input port (with internal pull-down resistor). In output mode, it is used as the keyboard-scan output port, P53 Outputs remote control signal with carrier or without carrier. Programming mode: Symbol Description D0-D8 9-bit data when EPROM write in/ verify Otp_clk Address increment clock when EPROM write in/ verify Ceb EPROM program enable, and high active Oeb EPROM output enable, and high active Progb EPROM program enable, and high active VDD Power supply of +6.5 V GND Ground Vpp In program mode, provide 12.5V to this pin Otp_res Clear eprom address pointer, and high active |
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