– 35 –
Pin No. Pin name I/O Description
1 – 12 S12 – 23 O LCD segment signal output.
13 – 16 ––––– – Not used (OPEN).
17 XTAL-CTL O Level shift control output for system clock.
18 BEEP-CTL O Beep signal control ouptut.
19 IF-POWER O IF B+ ON/OFF control output.
20 AF-POWER O Power amp ON/OFF control output.
21 COM0 O LCD common signal output.
22 COM1 O LCD common signal output.
23 COM2 O LCD common signal output.
24 COM3 O LCD common signal output.
25 BIAS O Bias output for LCD.
26 VLC0 – LCD drive power supply.
27 VLC1 – LCD drive power supply.
28 VLC2 – LCD drive power supply.
29 SD I SD signal input terminal.
30 TUNE I TUNE signal input terminal.
31 ––––– – Connect to VDD.
32 HOLD I Hold switch input.
33 GND – Ground terminal.
34 MUTE O Mute signal output.
35 SET – Not used (OPEN).
36 REQ-SUB O Request signal output for sub system control.
37 REQ-DTS O DTS request signal output for PLL.
38 VDET-1 I Power voltage detect input.
39 SCK I Sub clock signal input.
40 SO O Data signal output.
41 SI I Data signal input.
42 ACK I Clock signal input from PLL.
43 VDET2 I Power voltage detect input.
44 UNLOCK I PLL unlock detect input.
45 CARD – Connect to ground.
46 ––––– – Not used (OPEN).
47 CS1 O Chip select output for ROM.
48 BEEP O Beep signal output.
49 CS0 O Chip select signal output.
50 KS0 I Key input.
51 KS1 I Key input.
52 KS2 I Key input.
53 KS3 I Key input.
54 VDD – Power supply terminal.
55 XT1 I Sub clock input (32.768kHz).
56 XT2 O Sub clock output (32.768kHz).
57 IC – Connect to VDD.
58 X1 I Main system clock input (4MHz).
59 X2 O Main system clock output (4MHz).
60 – 67 KR0 – KR7 I Key input terminal.
68 RESET I System reset input. “L” : Reset
69 – 80 S0 – S11 O LCD segment signal output.
IC501 µPD753017AGK-717-BE9 (MAIN SYSTEM CONTROL, LCD DRIVE)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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