CDX-GT730UI/GT737UI/GT780UI
41
KEY BOARD IC901 R5F64116DA02FB (FL DISPLAY DRIVER, LED CONTROL)
Pin No.
Pin Name
I/O
Description
1
MAS_IF
I
Communication IF signal input from the system control IC
2
SIRCS
I
SIRCS signal input from the remote control signal receiver IC
3
VDC0
—
Capacitor connecting pin
4
NCO
O
Not used. (Fixed at L in this set)
5
VDC1
—
Capacitor connecting pin
6
NSD
I/O
Debug port (Fixed at H in this set)
7
CNVSS
I
Flash writer port signal input
8, 9
NCO
O
Not used. (Open)
10
RESET
I
Reset signal input from the system control IC
11
XOUT
O
Main system clock output (8 MHz)
12
VSS
—
Ground
13
XIN
I
Main system clock input (8 MHz)
14
VCC1
—
Power supply pin (+3.3 V)
15
NMI
I
Non-maskable interrupt signal input (Fixed at H in this set)
16 to 18
NCO
O
Not used. (Open)
19
GCP_TA4_IN
I
FL BK signal input
20
NCO
O
Not used. (Open)
21
FL_CLK_IN
I
FL serial clock signal input
22
FL_DAT2
O
FL serial data output 2
23
NCO
O
Not used. (Open)
24
LAT_TA2_OUT
O
FL latch signal output
25
NCO
O
Not used. (Open)
26
BK_TA1_OUT
O
FL BK signal output
27
NCO
O
Not used. (Open)
28
GCP_TA0_OUT
O
FL GCP signal output
29
SYS_SO
O
Communication TX signal output for the system control IC
30
SYS_SI
I
Communication RX signal input from the system control IC
31
FLS_CLK
I
Flash writer serial clock signal input (Fixed at L in this set)
32
BUSY
O
Flash writer BUSY signal output (Not used in this set)
33
FL_DAT1
O
FL serial data output 1
34
NCO
O
Not used. (Open)
35
FL_CLK_IN
I
FL serial clock signal input
36 to 38
NCO
O
Not used. (Open)
39
HOLD
I
External data bus (HOLD) signal input (Fixed at L in this set)
40 to 43
NCO
O
Not used. (Open)
44
WRI/WR
I
External data bus (WRI/WR) signal input (Fixed at H in this set)
45
FL_DAT3
O
FL serial data output 3
46
NCO
O
Not used. (Open)
47
FL_CLK_OUT
O
FL serial clock signal output
48 to 59
NCO
O
Not used. (Open)
60
VCC2
—
Power supply pin (+3.3 V)
61
NCO
O
Not used. (Open)
62
VSS
—
Ground
63 to 66
NCO
O
Not used. (Open)
67
STATUS_3
O
Status LED 4 control signal output (Not used in this set)
68
STATUS_2
O
Status LED 3 control signal output (Not used in this set)
69
STATUS_1
O
Status LED 2 control signal output (Not used in this set)
70
STATUS_0
O
Status LED 1 control signal output (Not used in this set)
71 to 77
NCO
O
Not used. (Open)
78
KEY_PUSH
I
Encoder push key detect signal input
79, 80
NCO
O
Not used. (Open)
81
SW_4
I
Dip switch 4 setting signal input (Not used in this set)
82
SW_3
I
Dip switch 3 setting signal input (Not used in this set)
83
SW_2
I
Dip switch 2 setting signal input (Not used in this set)
84
SW_1
I
Dip switch 1 setting signal input (Not used in this set)
