11.1 IC701 (M38503M2404F) : Micro Computer
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Pin No. Name I/O Function
1 VCC I Power supply (+5 V) terminal
2 VREF I Reference voltage input
3 AGND - GND terminal
4 CS I Chip select signal input
5 NC - Not used, open
6 REMCON I Remote control signal input
7 BACKUP I Power failure detect signal input
8 NC - Not used, open
9 SELDATA O Data signal output for input select IC (IC201 and IC202)
10 SELCLK O Clock signal output for input select IC (IC201 and IC202)
11 SELSTB O Strobe signal output for input select IC (IC201 and IC202)
12 POWERSW I Selector switch (S804) detect signal input
13 LEDCLK O Clock signal output for LED drive IC
14 LEDDATA O Data signal output for LED drive IC
15 CNVSS - Connected to GND
16 VRDOWN O Motor drive signal output (Volume down)
17 VRUP O Motor drive signal output (Volume up)
18 RESET I System reset signal input
19 XIN I Connected to the ceramic oscillator (8 MHz)
20 XOUT O Connected to the ceramic oscillator (8 MHz)
21 GND - GND terminal
22 BATELED - Battery level (empty) LED (D809) drive signal output (Not used, open)
23 BATFLED - Battery level (full) LED (D809) drive signal output (Not used, open)
24 VIALED O VIA LED drive signal output
25 VGALED O VGCA LED drive signal output
26 STABYLED O Stand by LED drive signal output
27 FRNTOUT O Front output control signal output
28 CSWSOUT - Center/S.woofer/Surround output control signal output (Not used, open)
29 PWRRLY O Power control signal output
30 CHRGRLY - Battery charge relay control signal output (Not used, open)
31 BATRLY - Battery drive relay control signal output (Not used, open)
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