13
HCD-RV2/RV5/RV6
• IC701 µPD780232GC-059-8BT (DISPLAY CONTROL) (HCD-RV2: PANEL BOARD)
Pin No. Pin Name I/O Pin Description
1 VDD — Power supply pin (+4.9 V)
2 VSS — Ground pin
3X1ISystem clock signal input (5 MHz)
4X2ISystem clock signal input (5 MHz)
5ICIDirectly connect to VSS. (Only mask ROM)
6 RESET I Reset signal input from system control (IC601) “L”: active
7S CLK I Serial clock signal input from system control (IC601)
8S IN I Serial data signal input from system control (IC601)
9S OUT O Serial data signal output from system control (IC601)
10 BUSY O Not used in this set. (Open)
11, 12 NC O Not used. (Open)
13 VOL A I Volume A signal input from VR701
14 VOL B I Volume B signal input from VR701
15, 16 NC O Not used in this set. (Open)
17 HEADPHONE I Headphone check signal input from JK701 “H”: Headphone in
18 AVSS — Ground pin
19 NC I Not used. (Fixed at “L”.)
20 KEY2 I Key signal input 2
21 KEY1 I Key signal input 1
22 KEY0 I Key signal input 0
23 VSS — Ground pin
24 AVDD — Power supply pin (+4.9 V)
25 VDD — Power supply pin (+4.9 V)
26 ENTER LED O Not used in this set. (Open)
27 GAME MIXING O GAME MIXING LED (LED707) drive signal output “H”: ON
28 GAME LED O GAME LED (LED702) drive signal output “H”: ON
29 MD/VIDEO LED O Not used in this set.
30 TAPE LED O TAPE A/B LED (LED703) drive signal output “H”: ON
31 TUNER LED O TUNER/BAND LED (LED705) drive signal output “H”: ON
32 CD LED O CD LED (LED704) drive signal output “H”: ON
33 – 43 NC O Not used in this set. (Open)
44 – 58 S0 – S14 O FL segment control signal output to FLD701 “H”: ON
59 VDD — Power supply pin (+4.9 V)
60 VLOAD — Voltage loard pin
61 – 67 S15 – S21 O FL segment control signal output to FLD701 “H”: ON
68 NC O Not used in this set. (Open)
69 – 80 G0 – G11 O FL grid control signal output to FLD701 “H”: ON
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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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