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MICROPROCESSOR TERMINAL DESCRIPTIONS-1
Q801 : MPD78F0532GK
PIN No.
PIN NAME
1
TAPE LED
2
DIRECT LED
3
LOUDNESS LED
4
NU
5
ACPOWER
6
RESET
7
NU
8
NU
9
DEBUG FLMDO
10
DEBUG X2
11
DEBUG X1
12
REGC
13
VSS
14
EVSS
15
VDD
16
EVDD
17
NU
18
NU
19
NU
20
NU
21
POFF
22
NU
23
AMUTE
24
RCPOWER
25
DG MUTE
26
PROTECT_I
27
SPA_RL
28
SPB_RL
29
NU
30
NU
31
NU
32
NU
33
NU
34
HP_IN
35
SEL_DATA
36
SEL_CLK
37
TONE_RL
38
REMIN
39
SYSOUT
40
SYSIN
I/O
ACT.
DESCRIPTION
O
H
TAPE LED control voltage output.
O
H
DIRECT LED control voltage output.
O
H
LOUDNESS LED control voltage output.
---
---
Not used.
O
H
Main power control voltage output.
I
L
Reset signal input.
---
---
Not used.
---
---
Not used.
---
---
For debug.
---
---
For debug.
---
---
For debug.
---
---
Connect to capacitor for internal power supply .
---
---
Ground.
---
---
Ground.
---
---
Power supply.
---
---
Power supply.
---
---
Not used.
---
---
Not used.
---
---
Not used.
---
---
Not used.
I
L
Power failure detection voltage input.
---
---
Not used.
O
L
Audio muting control voltage input.
O
L
Initial current control output of power amplififer.
O
H
Control output of digital audio driver IC (IRS20954S).
I
H
Speaker protect detection voltage input.
O
H
Speakers-A relay control voltage input.
O
H
Speakers-B relay control voltage input.
---
---
Not used.
---
---
Not used.
---
---
Not used.
---
---
Not used.
---
---
Not used.
I
H
Headphone detection input.
O
H
Data output to selector/volume IC (R2S15211FP).
O
H
Clock output to selector/volume IC (R2S15211FP).
O
L
DIRECT/TONE relay control voltage output.
I
L
Signal input from remote sensor.
O
L
RI (system control) output.
I
L
RI (system control) input.
A-9355
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