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KS-FX850R/KS-FX835R/KS-FX820R
UPD178018AGC-551 (IC701) : Main system control CPU
1. Pin layout
80
1
20
21
2. Pin function
Pin No.
Port Name
1
KEY 0
2
KEY 1
3
KEY 2
4
LEVEL
5
SM
6
SQ
7
LCDCE
8
LCDDA
9
LCDSCK
10
BUSI/O
11
OPEN
12
BUSSI
13
BUSSO
14
BUSSCK
15
NC
16
NC
17
NC
18
NC
19
INLOCK
20
NC
21
GNDPORT
22
VDDPORT
23
NC
24
AFCK
25
MONO
26
FM/AM
27
SEEK/STP
28
NC
29
IFC
30
VDDPLL
31
FMOSC
32
NC
33
GNDPLL
34
AMEO
35
FMEO
36
IC
37
SD/ST
38
STAGE0
39
NC
40
MOTOR
2-14
~
61
60
41
~
40
I/O
I
Key input 0
I
Key input 1
I
Key input 2
I
Level meter input
I
S.meter level input
I
S.Quality level input
O
CE output to LCD driver
O
Data output to LCD driver
O
Clock output to LCD driver
I
I/O selector output for J-BUS, H : OUT, L: INPUT
I
Door open detect input
I
J-BUS Data input
O
J-BUS Data output
I/O
J-BUS Clock in/output
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Non connect
-
Port GND
-
Port Vdd
O
Non connect
O
AF check output, L: AF check
O
Monaural on /off selecting output, H:mono on
O
FM/AM switching output L : FM H : AM
O
Auto seek /stop selecting output, H: Seek, L:Stop
I
Pulse signal input port for Cruise control
I
FM/AM midle frequency counter input
-
PLL Vdd
I
FM/AM limited generator frequency input
-
None connect
-
PLL GND
O
AM error out output
O
FM error out output
-
GND
I
Station detector, Stereo signal input, H:Find Station, L:Stereo
I
Pull up
-
Non connect
O
Main motor output
Descriptions
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