1-44 (No.49837)
4.19 UPD178078GF-642 (IC801) : System CPU
• Pin Layout
• Pin function
1
30
80
51
81
100
50
31
Pin No.
Symbol
I/O
Function
1 to 8
NC
-
Not connect
9
E.VOL.DATA_OUT
O
E.VOLUME data output
10
E.VOL.SCK
O
E.VOLUME clock output
11
NC
-
Not connect
12
LCD SO
O
LCD data output
13
LCD SCK
O
LCD driver clock output
14
MECHA POWER
O
Linked with MECHA ON
15
LCD CE
O
LCD driver chip enable signal output
16 to 18
NC
-
Not connect
19
ENC1
I
Rotary volume signal A input
20
ENC2
I
Rotary volume signal B input
21,22
NC
-
Not connect
23
KEY0
I
Key input 1
24
KEY1
I
Key input 2
25
KEY2
I
Key input 3
26 to 29
AVDD
-
Power supply for A/D converter (Connect to VDD)
30
LEVEL IND
I
Level meter A/D input
31
SM
I
S meter (electric field strength) input
32
AVSS
-
Ground for A/D converter (Connect to ground)
33
REGCPU
-
Regulator for CPU power supply
34
VDD
-
Power supply
35
REGOSC
-
Power supply for oscillator circuit
36
XOUT
O
Crystal oscillator connect terminal for system clock
37
XIN
I
Crystal oscillator connect terminal for system clock
38
GND
-
Connect to ground
39
IFCCONT
O
IFC output prohibition signal
40
GND
-
Connect to ground
41
NC
-
Not connect
42
IF COUNT
I
FM/AM IF count signal input
43
VDDPLL
-
Connect to VDD
44
OSC IN
I
FM/AM local oscillation signal input
45
NC
-
Not connect
46
GNDPLL
-
Connect to ground
47
EQ
O
PLL error signal output
48
NC
-
Not connect
49
VPP
-
Connect to ground through the resistor
50
RESET
I
Main micon reset input
51
REMOCON
I
Optical remocon signal input
52
NC
-
Not connect
53
MECHA.RESET
O
CD micon reset signal output
54 to 65
NC
-
Not connect
Summary of Contents for KD-SV3000
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