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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
SYSTEM MICROCOMPUTER MN101C49HNA (IC1: X14-)
Pin No.
Name
1
VREF-
2
F REEL
3
R REEL
4
S-METER
5
IFC-OUT
6
NOISE
7
PHONE
7
PHONE
8
DCDET RESERVE Power supply
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
TE
L 13942296513
21
FLASH READ
22
FLASH WRITE
23
FLASH CLK
24
BEEP
25
PANEL-DET
26
REMO
27
R-CLK
27
NC
28
LX-REQS
29
B.U-DET
30
EJECT
31
KEY-REQ
32
VDD
33
RESET
34
EQ MUTE
35
DOLBY
36
MUSIC
37
NC
38
NC
39
NC
www
40
NC
41
VDD
42
L DATAS
.
43
L DATAL
44
L CLK
45
PLL DATA
46
NC
Module
I/O
Power supply
GND for A/D
TAPE
I
Reel pulse FWD
TAPE
I
Reel pulse REW
TUNER
I
K3I tuner S-meter
TUNER
I
IF count
TUNER
I
FM noise detection terminal
EXTRA
I
PHONE detection terminal
EXTRA
I
When Not used, output L fixed
I
Not used DE DET pull down
Power supply
GND
Power supply
VCC for A/D
Power supply
Microcomputer's main Vcc
Main oscillation input
Main oscillation input
Power supply
Microcomputer's main GND
32.768kHz oscillation input
32.768kHz oscillation input
Power supply
GND
LX
O Data output to CH
LX
I
Data input from CH
LX
O Clock input and output with CH
O
O
O
AUDIO
O Beep for built in amplifier
to PANEL
I
Panel existence detection terminal
to PANEL
I
Remote control input
TUNER
I
Clock for RDS decoder
O With no RDS output L fixed
LX
I
Request input from CH
Power supply
I
Momentary power down detection
to PANEL
I
Tape eject
to PANEL
I
Communication request from LCD driver L :KEY input
Power supply
I
I
Reset
TAPE
O Equalizer mute
TAPE
O B NR ON/OFF
TAPE
I
Tape between music detection
O
O
O
O
x
ao
u163
y
Power supply
I
to PANEL O TXD for LCD
i
to PANEL
I
RXD for LCD
to PANEL O Clock for LCD
TUNER
I/O Tuner I2C SDA
O
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
KRC-666/G/R
9 4
2 8
Processing Operation
Cassette mecha reel pulse output FWD Vth=2.5V
Cassette mecha reel pulse output REW Vth=2.5V
0V or 5V
Tel mete :1V or less, NAVI MUTE:2.5V or less,
Only J type 1V or less,more than 2.5V NAVI
DC offset detection terminal of P-IC
8.38MHz
External ROM
Last maintain
0 5
8
2 9
9 4
2 8
Detached the panel :L, Attached the panel :H
With no destination:out put L fixing
Request detection :L
BU detection :L
With no BU :H
L :KEY input
VDD
During tape play :L
During tape FF/REW :H
Mode except tape :H
B NR ON:H,
B NR OFF:L
Mode except tape :keep the value
music signal detection:L, with no music signal:H
m
VDD
9 9
9 9
5
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