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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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