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SC9638EP Datasheet(PDF) 4 Page - Silan Microelectronics Joint-stock |
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SC9638EP Datasheet(HTML) 4 Page - Silan Microelectronics Joint-stock |
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4 / 13 page  SC9638EP HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.0 2008.03.24 Http: www.silan.com.cn Page 4 of 13 PIN DESCRIPTION Pin No. Symbol I/O Description 1 PA.2/ADIN2 I/O I/O port is duplex as input channel 2 of ADC. 2 PA.1/ADIN1 I/O I/O port is duplex as input channel 1 of ADC. 3 PA.0/ADIN0 I/O I/O port is duplex as input channel 0 of ADC. 4 PB.0/INT0 I/O I/O port is duplex as external interrupt input INT0. 5 PB.1/INT1 I/O I/O port is duplex as external interrupt input INT1. 6 PB.2/BUZZ O BUZZ state detecting and buzz signal output 7 PB.4 O Common I/O port 8 PB.5 O Common I/O port 9 PB.6 O Common I/O port 10 PB.7 O Common I/O port 11 MVSS -- Analog Ground for Frequency counting of radio receiver. 12 AMIN -- AM local oscillator signal input 13 FMIN -- FM local oscillator signal input 14 MVDD -- MCU Power Supply 15 MRST -- MCU Reset 16 MTEST -- MCU Test pin which is connected to the ground. 17 MXI I The crystal oscillator (75KHz) input pin. 18 MXO O The crystal oscillator (75KHz) output pin. 19 COM0 -- LCD COM0 Port 20 COM1 -- LCD COM1 Port 21 COM2 -- LCD COM2 Port 22 COM3 -- LCD COM3 Port 23 SEG0 -- LCD SEG0 Port 24 SEG1 -- LCD SEG1 Port 25 SEG2 -- LCD SEG2 Port 26 SEG3 -- LCD SEG3 Port 27 SEG4 -- LCD SEG4 Port 28 SEG5 -- LCD SEG5 Port 29 SEG6 -- LCD SEG6 Port 30 SEG7 -- LCD SEG7 Port 31 SEG8 -- LCD SEG8 Port 32 SEG9 -- LCD SEG9 Port 33 VPP -- OTP Power Supply 34 VDD0 -- +5V DAC Power Supply 35 VSS0 -- DAC GND 36 VREF -- Internal reference voltage whose typical value is 0.5VDD 37 VOR -- DAC right channel output 38 FILTCR -- DAC right channel filter capacitor. (To be continued) |
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