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KRC-597/597Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
SYSTEM MICROCOMPUTER : MN101C49HNB (IC1 : X14)
Pin No.
Pin Name
1
VREF-
2
F REEL
3
R REEL
4
S-METER
5
IFC-OUT
6
NOISE
7
PHONE
8
DCDET RESERVE
9
GND
10
VREF+
11
VDD
12
MAIN OSC1
13
MAIN OSC2
14
VSS
15
SUB OSC1
16
SUB OSC2
17
GND
18
LX-DATAM
19
LX-DATAS
20
LX-CLK
21
FLASH READ
22
FLASH WRITE
23
FLASH CLK
24
BEEP
25
PANEL-DET
26
REMO
27
R-CLK
28
LX-REQS
29
B.U-DET
30
EJECT
31
KEY-REQ
32
VDD
33
RESET
34
EQ MUTE
35
DOLBY
6
I/O
Application
GND for A/D
I
Reel pulse FWD
I
Reel pulse REW
I
K3I TUNER S-METER
I
IF COUNT
I
FM noise DET terminal
I
PHONE DET terminal
I
Turn lLLUMI down when DE DET is not used
GND
VCC for A/D
µ-com main VCC
Main oscillation input
Main oscillation input
µ-com main GND
32.768kHz oscillation input
32.768kHz oscillation input
GND
O
DATA output terminal to CH
I
DATA input terminal from CH
O
CLK input/output terminal with CH
O
O
O
O
Beep for internal amp
I
DET terminal for panel DET or no panel DET
I
Remote control input
I
CLK for RDS decoder
I
Request input from CH
I
Momentary power dropped detection
I
Tape eject
I
Communication request from LCD driver
I
I
Reset
O
EQ MUTE
O
B NR ON/OFF
Truth Value
Processing Operation Description
Table
C mechanism reel pulse output FWD. Vth=2.5V
C mechanism reel pulse output REW. Vth=2.5V
0V or 5V
TEL MUTE : 1V or less NAVI MUTE : 2.5V or less
1V or less, 2.5V or more and NAVI MUTE only for J
DC offset DET terminal for P-IC
8.38MHz
External ROM
Retain last
Panel no DET : L, Panel DET : H
No destination : Output fixed to L
Request DET : L
BU DET : L, B.U-DET (momentary power dropped) : H
L : KEY input
L : KEY input
VDD
During TAPE PLAY : L, During TAPE FF/REW : H,
In other modes than TAPE : H
B NR ON : H, B NR OFF : L,
In other modes than TAPE : Retain value
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