CDX-GT930UI/GT937UI/GT980UI
39
Pin No.
Pin Name
I/O
Description
1
SYS CE
I
Main chip enable signal input
2
NC
O
Not used. (Open)
3
VDC0
—
Connect to capacitor
4
NC
I
Not used. (Fixed to “L” for external pull-down resistor.)
5
VDC1
—
Connect to capacitor
6
NSD
I/O
Port pin
7
CNVSS
I
Port for
fl
ash write H (write switch) Normally operation: “L”
8, 9
NC
O
Not used. (Open)
10
RESET
I
Reset signal input
11
XOUT
O
Main clock signal output (8 MHz)
12
VSS
—
Ground pin
13
XIN
I
Main clock signal input (8 MHz)
14
VCC1
—
Power supply pin (+3.3 V)
15
NMI
I
Non-maskable interruption signal input Fixed to “H” for external pull-up resistor.
16 to 18
NC
O
Not used. (Open)
19
GCP TA4 IN
I
Fluorescent indicator tube GCP TA4 signal input
20, 21
NC
O
Not used. (Open)
22
BK TA3 OUT
O
Fluorescent indicator tube BK TA3 signal output
23
NC
O
Not used. (Open)
24
LAT TA2 OUT
O
Fluorescent indicator tube latch TA2 signal output
25 to 27
NC
O
Not used. (Open)
28
GCP TA0 OUT
O
Fluorescent indicator tube GCP TA0 signal output
29
SYS SO
O
Main serial data signal output
30
SYS SI
I
Main serial data signal input
31
SYS CLK
I
Main serial clock signal input
32
BUSY
O
Busy signal output for
fl
ash write Normally operation: “L”
33
FL DAT1
O
Fluorescent indicator tube serial data signal output 1
34
NC
O
Not used. (Open)
35
FL CLK IN
I
Fluorescent indicator tube serial clock signal input
36 to 38
NC
O
Not used. (Open)
39
HOLD
I
External data bus (Hold) signal input Fixed to “L” for external pull-down resistor.
40
NC
O
Not used. (Open)
41
CLKOUT
O
Main serial clock signal output (for monitor)
42, 43
NC
O
Not used. (Open)
44
WRI/WR
I
External data bus (WRI/WR) signal input Fixed to “H” for external pull-up resistor.
45
FL DAT3
O
Fluorescent indicator tube serial data signal output
46
NC
O
Not used. (Open)
47
FL CLK IN
I
Fluorescent indicator tube serial clock signal input
48 to 59
NC
O
Not used. (Open)
60
VCC2
—
Power supply pin (+3.3 V)
61
NC
O
Not used. (Open)
62
VSS
—
Ground pin
63 to 69
NC
O
Not used. (Open)
70
CLKOUT SEL
O
Serial clock out select signal output
71 to 76
NC
O
Not used. (Open)
77
KEY PUSH
I
Rotary encoder push key detect signal input
78 to 84
NC
O
Not used. (Open)
85
KEY 1
I
Key signal input 1
86
KEY 2
I
Key signal input 2
87, 88
NC
O
Not used. (Open)
89
SIRCS
I
SIRCS data signal input
90
ILL GREEN
O
Illumination (green) change control signal output
91
ILL BLUE
O
Illumination (blue) change control signal output
92
ILL RED
O
Illumination (red) change control signal output
93
NC
O
Not used. (Open)
DISPLAY BOARD IC901 R5F64116DA01FB (DISPLAY CONTROL)
