46
HCD-RV777D/RV888D/RV999D
• IC101
µ
PD780232GC-504-8BT-A (SYSTEM CONTROL) (PANEL Board)
Pin No.
Pin Name
I/O
Pin Description
1
VDD
—
Power supply pin (+3.3 V)
2
VSS
—
Ground pin
3
X1
I
System clock signal input (5 MHz)
4
X2
I
System clock signal input (5 MHz)
5
IC
I
Directly connect to ground.
6
RESET
I
Reset signal input (active L)
7
S-CLK
I
Serial clock signal input
8
S-IN
I
Serial data in signal input
9
S-OUT
O
Serial data out signal output
10 to 14
NC-L
O
Not used in this set. (Fixed at L.)
15
VOL-A
I
VOLUME encoder in A signal input
16
VOL-B
I
VOLUME encoder in B signal input
17
NC-L
I
Not used in this set. (Fixed at L.)
18
AVSS
—
Analog ground pin
19
NC-L
I
Not used in this set. (Fixed at L.)
20 to 22
KEY3 to KEY1
I
Key in signal input
23
VSS
—
Ground pin
24
AVDD
—
Analog power supply pin (+3.3 V)
25
VDD
—
Power supply pin (+3.3 V)
26 to 33
NC-L
I
Not used in this set. (Fixed at L.)
34 to 39
PS07 to PS12
O
Illumination LED drive control signal output (L: OFF, H: ON)
40
MULTI/I-BASS
O
Not used in this set. (Fixed at L.)
41
NC
O
Not used. (Open)
42, 43
NC-L
O
Not used in this set. (Fixed at L.)
44 to 58
S1 to S15
O
FL segment control signal output (L: OFF, H: ON)
59
VDD
—
Power supply pin (+3.3 V)
60
V.LOAD
I
V.LOAD signal input
61 to 66
S16 to S21
O
FL segment control signal output (L: OFF, H: ON)
67 to 80
G1 to G13
O
FL grid control signal output (L: OFF, H: ON)
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