KDC-X879
9
●
PANEL MICROPROCESSOR : 703132GJ011-A (X16-253 : IC1)
Pin No.
Pin Name
I/O
Description / Processing Operation
1~7
D14~D8
I/O
External ROM data input/output terminal
8
3.3VDD
-
AVR 3.3V
9
VSS
-
GND
10~17
D7~D0
I/O
External ROM data input/output terminal
18
FL GCP1
O
FL bright control terminal
19
SC REQ
O
Communication request to system microprocessor (H : Request)
20
MC REQ
I
Request from system microprocessor (H : Request)
21
SC CON
I
Panel microprocessor control (H : While operation)
22
FL BLK
O
Display control SW for FL driver (H : Display ON, L : Display OFF)
23
2.5V VDD
-
AVR 2.5V
24
VSS
-
GND
25~27
KS5~KS3
O
Key scan output terminal
28,29
TDI/TDO
-
NC
30,31
KS2,1
O
Key scan output terminal
32
TRST
I
NC
33
ROTARY CCW
I
Volume input terminal
34
ROTARY CW
I
Volume input terminal
35,36
TMS/TCM
O
NC
37
3.3VDD
-
AVR (3.3V)
38
VSS
-
GND
39~42
KI1~KI4
I
Key return input terminal
43
FLGCP2
O
FL bright control terminal
44
NC
-
NC
45
SYS TX
I
DATA input from system microprocessor
46
SYS RX
O
DATA output to system microprocessor
47
FL CLK3
O
Clock output to FL driver
48
KI5
I
Key return input terminal (SRC, OPEN, EJECT interrupt port)
49
FL DATA3
O
DATA output to FL driver
50
SCK1
I
Clock input from FL driver
51
NC
-
NC
52
FL DATA2
O
DATA output to FL driver
53
CLK IN1
I
Clock input from FL driver
54
NC
-
NC
55
FL DATA1
O
DATA output to FL driver
56
3.3VDD
-
AVR (3.3V)
57,58
X2/X1
-
Main clock (5MHz)
59~61
CVSS/CKSEL/PSEL
-
GND
62
2.5V VDD
-
AVR 2.5V
63
VSS
-
GND
MICROCOMPUTER’S TERMINAL DESCRIPTION
