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MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
36
MUSIC
I
37~40
NC
O
41
VDD
I
42
L DATAS
O
43
L DATAL
I
44
L CLK
O
45
PLL DATA
I/O
46
NC
O
47
PLL CLK
I/O
48~50
NC
O
51
PANEL 5V
I/O
52, 53
NC
O
54
VOL A
I
55
VOL B
I
56
DSI
O
57
NC
O
58
FILP-DET
I
59
L CE
O
60
NC
O
61~63
TYPE0~TYPE2
I
64
NC
O
65
ST TYPE0
I
66
ST TYPE1
I
67~69
NC
O
70~72
MODE1~MODE3
I
73
MOTOR
O
74
SUB+
O
75
SUB-
O
76
R QUAL
I
77
R DATA
I
78
LX-MUTE
I
79
LX-CON
O
80
LX-REQM
O
81
LX-RST
O
82
MUTE
O
83
AFS
O
84
IC2 SDA
I/O
85
IC2 SCL
I/O
86
P-MUTE
O
Application
Tape between-music DET
TXD for LCD
RXD for LCD
CLK for LCD
TUNER I2C SDA
TUNER I2C SCL
Panel 5V ON/OFF
Rotary encoder input
Rotary encoder input
EJECT KEY ILLUMI, GUIDE ILLUMI, DSI control terminal
14seg collapsible DET
LCD driver CE
Destination setting
For OEM
For OEM
Cassette mechanism mode DET
Cassette mechanism main motor
Cassette mechanism sub motor
Cassette mechanism sub motor
RDS QUAL
RDS DATA
MUTE request from CH
Control output to CH
Request output to CH
Reset for CH
MUTE
Constant switching terminal when noise DET
SDA for EVOL
SCL for EVOL
POWER IC MUTE output terminal
KRC-597/597Y
Truth Value
Processing Operation Description
Table
Music signal DET : L, Music signal no DET : H
VDD
Panel DET, ACC ON : L
Refer to timing chart.
Refer to timing chart.
ILLUMI : L, No ILLUMI : H
r
r
r
q
During motor operation : H, During motor stop : L
w
w
H : MUTE ON, L : MUTE OFF
ON : H, OFF : L
Request DET : L
Normal L, 400msec or more after system reset H, then L
During FM seek and AF search : L, During reception : H
When POWER OFF : L, ALLOFF : L, TEL MUTE : L
7
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