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5-1. IC PIN DESCRIPTION
• IC801 CXP82432A-006Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Pin Description
1
T-REEL (A)
I
Take-up reel rotation detection input (DECK A)
2
S-REEL (B)
I
Supply reel rotation detection input (DECK B)
3
T-REEL (B)
I
Take-up reel rotation detection input (DECK B)
4
SIRCS IN
I
Sircs signal input
5
POWER IN
I
Power-off detection input
6
VOL OUT
O
Record level control output (PWM)
7
A/B SEL
I
Playback A/B selector input “L” : A, “H” : B
8
CONTROL-A IN
I
Control A signal input
9
CONTRL-A OUT
O
Control A signal output
10
REC MUTE (A)
O
Recording mute output (DECK A) “L” : Mute ON
11
REC CAL 0 (A)
O
Recording CAL-0 output for auto calibration. (DECK A)
12
REC CAL 1 (A)
O
Recording CAL-1 output for auto calibration. (DECK A)
13
GP CAL 0 (A)
O
GEQ CAL-0 output for auto calibration. (DECK A)
14
GP CAL 1 (A)
O
GEQ CAL-1 output for auto calibration. (DECK A)
15
REC/PB
O
Record/playback dolby NR mode selector output “L” : Playback
16
REC MUTE (B)
O
Recording mute output (DECK B) “L” : Mute ON
17
AMS IN
I
AMS signal input “L” : Music present
18
CAL/OFF/S
O
Audio selector “H” : CAL, “Open” : Dolby off, “L” : Dolby S
19
C/B/OFF
O
Dolby selector “H” : C, “Open” : B, “L” : Dolby off
20
REC CAL 0 (B)
O
Recording CAL-0 output for auto calibration. (DECK B)
21
REC CAL 1 (B)
O
Recording CAL-1 output for auto calibration. (DECK B)
22
GP CAL 0 (B)
O
GEQ CAL-0 output for auto calibration. (DECK B)
23
GP CAL 1 (B)
O
GEQ CAL-1 output for auto calibration. (DECK B)
24
POWER OUT
O
Power hold output
25
RECEQ HIGH/NORM
O
REC EQ high/normal select output “L” : Normal
26
PASS/MUTE/DOLBY
O
Audio selector “H” : Pass, “Open” : Mute, “L” : Dolby
27
BS/AMS/OFF
O
AMS amp selector “H” : BS, “Open” : AMS, “L” : OFF
28
EX IN 0
I
Expander control input (0)
29
EX IN 1
I
Expander control input (1)
30
EXP CTRL 0
O
Expander control output (0)
31
EXP CTRL 1
O
Expander control output (1)
32
A/D IN 0
I
Expander A/D input (0)
33
A/D IN 1
I
Expander A/D input (1)
34
KEY 5
I
Key 5 input (A/D converter)
35
VOL IN
I
Record volume input (A/D converter)
36
TEST/PITCH/VER
I
Test mode/pitch control/version input
37
CD SYNC LED
O
CD SYNCHRO LED driver “L” : ON
38
RESET
I
System reset input
39
EXTAL
I
System clock oscillator input (10 MHz)
40
XTAL
O
System clock oscillator output (10 MHz)
41
VSS
—
Ground
42
TX
—
Connected to ground.
43
TEX
—
Connected to ground.
44
ARL LED
O
ARL LED driver “H” : ON
45
PITCH ON/OFF
O
Pitch control ON/OFF output “L” : ON
46
AVREF
I
Reference voltage input for A/D converter.
47
AVSS
—
Ground for A/D converter.
48
LINE MUTE
O
Line mute ON/OFF control output “L” : Mute ON
49
OSC H/L
O
OSC frequency H/L select output for auto calibration.
50
OSC ON/OFF
O
OSC ON/OFF select output for auto calibration.
51
BIAS CAL 0 (B)
O
EQ bias CAL-0 output for auto calibration. (DECK B)
SECTION 5
DIAGRAMS
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