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System µ-com : UPD784217GC (X25-)
Terminal description
No.
Pin name
1
P120/RTP0
2
P121/RTP1
3
P122/RTP2
4
P123/RTP3
5
P124/RTP4
6
P125/RTP5
7
P126/RTP6
8
P127/RTP7
9
Vdd
10
X2
11
X1
12
Vss
13
XT2
14
XT1
15
RESET
16
P00/INTP0
17
P01/INTP1
18
P02/INTP2/NMI
19
P03/INTP3
20
P04/INTP4
TE
L 13942296513
21
P05/INTP5
22
P06/INTP6
23
AVdd
24
AVref0
25
P10/ANI0
26
P11/ANI1
27
P12/ANI2
28
P13/ANI3
29
P14/ANI4
30
P15/ANI5
31
P16/ANI6
32
P17/ANI7
33
AVss
34
P130/ANO0
35
P131/ANO1
36
AVref1
37
P70/RxD2/SI2
38
P71/TxD2/SO2
39
P72/ASCK2/SCK2 CH_CLK
40
P20/RxD1/SI1
41
P21/TxD1/SO1
42
P22/ASCK1/SCK1 L_CLK/MC_CLK
www
43
P23/PCL
44
P24/BUZ
45
P25/SI0
.
46
P26/SO0
47
P27/SCK0
48
P80/A0
49
P81/A1
MICROCOMPUTER'S DESCRIPTION
Function
I/O
CHCON1
O
Changer 1 control
CH_MUTE
I
Changer muting input
REQH
O
Handshake request to changers
ILL_ON
O
Illumination output
NC
O
Open
CD_SW2
I
12cm DISC detection
CD_SW1
I
Loading detection
NC
O
Open
Vdd
-
Positive power supply
X2
-
Main clock connection
X1
-
Main clock connection
Vss
-
GND
XT2
-
Sub clock connection
XT1
-
Sub clock connection
RESET
I
Reset input
CH_RST
O
Changer reset output
R_CLK
I
RDS clock input
REQC
I
Handshake request from changer
N C
I/O
N C
I/O
N C
I/O
Handshake request from panel µ-com
SC_REQ
I
AVdd
-
A/D analog power supply
AVref
-
A/D reference voltage input
PHONE
I
PHONE detection terminal
SRM_SW1
I
SRM position detection
NOISE
I
FM noise detection
SMETER
I
FM signal meter detection
IF_MODE
I
K2I IF selector
NC
I
GND
M_MUTE_R
I
Mute request from meshanism
M_MUTE_L
I
Mute request from meshanism
AVss
-
A/D GND
EXT_AMP
O
EXT_AMP control
M_RST
O
Reset output to mechanism
-
D/A reference voltage input
DATAC
I
Data line from changer
DATAH
O
Data line to changer
I/O
Clock line from/to changer
L_DATAL/SC_DATA
I
Data line from LCD driver
L_DATAS/MC_DATA
O
Data line to LCD driver
I/O
Clock line to LCD driver
M_STOP
I/O
Stop request to mechanism
BEEP
O
Beep output
x
ao
u163
y
PLL_CE
O
CE output to PLL
i
PLL_DATA
I/O
Data in/out with PLL
PLL_CLK
O
Clock output to PLL
CD_SW3
I
Switch detection
LO/EJ
O
Loading/Eject control
KDC-715S/8015/8016
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
Processing Operation
Active : Hi
MUTE Requested : Hi
Active : Lo
Active : Hi
ON : Lo
ON : Lo
Active : Lo
Active : Lo
Active : Lo
0 5
8
2 9
9 4
2 8
1V or less : PHONE
2.5V or more : NAVI MUTE
Open : Hi
Analog input
Analog input
Wide : Hi / Narrow : Lo
Mute requested : Lo
Mute requested : Lo
Reset : Lo
m
Stop Requested : Lo
Active : Hi
ON : Hi
Loading : Lo / Eject : Hi
9 9
9 9
3
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