FGZ000UF2
6
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM
µ
-com : IC22 (X14 : SYNTHESIZER UNIT)
Pin No.
Pin Name
I/O
Application
Processing Operation Description
1
NAVI-TXD
O
Transmission data output for normal NAVI communication
H, L output
2
NC
-
Not connected
Not used
3
ILL PWM
I
ILLUMI PWM input (Cycle)
PWM input
4
ILL PWM
I
ILLUMI PWM input (Oscillation width)
PWM input
5
E2PSDA
I/O
IIC clock output (E2PROM)
H, L output
6
E2PSCL
O
IIC data input/output (E2PROM)
H, L output
7
SPD
I
Vehicle speed pulse input
H, L input
8
WDP
O
Watchdog pulse output
H, L output
9,10
NC
-
Not connected
Not used
11
TYPE0
I
Destination setting input
H, L-fixed
12
NC
I
Not connected
H, L-fixed
13
CAN EN
O
CAN communication enable
H, L output
14
CAN STB
O
CAN communication standby
H, L output
15
BYTE
-
Not used
L-fixed
16
CNVSS
I
5V at ROM writing
H : Microprocessor mode, L : Single chip mode,
L : Memory expansion mode
17
XCIN
I
Sub-clock input
H, L input
18
XCOUT
O
Sub-clock output
H, L output
19
RESET
I
Reset input
H, L input, L : RESET
20
XOUT
O
Main clock input
H, L output
21
VSS1
-
GND
GND
22
XIN
I
Main clock output
H, L input
23
VCC1
-
Power supply input
VCC5V
24
NMI
I
NMI interruption input
H-fixed
25
CAN ERR
I
CAN communication condition input
H, L input, L : Error
26~29
NC
-
Not connected
Not used
30
CAN IN
I
CAN reception data input
H, L output
31
CAN OUT
O
CAN reception data output
H, L input
32
NC
-
Not connected
Not used
33
BRIGHT
O
Backlight control output
PWM output
34
VMUTE
O
Video mute control output
H, L output, L : MUTE
35
NC
-
Not connected
Not used
36
I2CSCL
O
IIC clock output (E2PROM)
H, L output
37
I2CSDA
I/O
IIC clock output (E2PROM)
H, L input/output
38
TXD1
-
Not used
Not used
39
VCC2
-
Power supply input
VCC5V
40
RXD1
-
Not used
Not used
41
VSS2
-
GND
GND
42
SCLK
-
Not used
Not used
43
BUSY
-
Not used
Not used
44
SYSDATA
O
Data output (For video control processing)
H, L output
45
SHDATA
I
Data input (For video control processing)
H, L input
