25
FZDA07ELEF2/EREF2/MRHF2
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Application
Processing Operation Description
27
16V_SW
O
FL driver power supply 16V
H: Driver power ON, L: Driver power OFF
28
NC
O
Not used
Output L fi xed
29
RST
-
Reset input from system µ-com
L: Reset
30
ENC_DW
I
Rotary encoder SW (B phase wave form)
Port monitoring of pulse with 1ms cycle timer
31
ENC_UP
I
Rotary encoder SW (A phase wave form)
Port monitoring of pulse with 1ms cycle timer
32
HTR
I
Notifi cation of HTRCOM operation
H: HTRCOM operation, L: HTRCOM stop
33
BRIGHT
I
Notifi cation of bright information
H: Bright ON, L: Bright OFF
34~36
KS1~KS3
O
Key scan pulse output terminal
37
NC
I
Not used
NC but set up input such that it is consistent with the other models.
38
SP_DATA_S
I
Data input from system µ-com to panel µ-com
UART 19379bps
38
FLASH_UI0
I
Serial data input terminal
39
SP_DATA_P
O
Data output from panel µ-com to system µ-com UART 19379bps
39
FLASH_UO0
O
Serial data output terminal
40
NC
O
Not used
Output L fi xed
40
FLASH_UCK0
I
Serial clock input terminal
41
NC
O
Not used
Output L fi xed
41
FLASH_P13
I
Operation mode specifi cation terminal
L: When used to write serial data
42
NC
O
Not used
Output L fi xed
43~46
NC
I
Not used
NC but set up input such that it is consistent with the other models.
47
KS4
O
Key scan pulse output terminal
48
POWER
I
Power key
L: Press key, H: Do not press key
●
PANEL (HEATER CONTROL) MICROCOMPUTER MB89F538-1Y8 (X34-405: IC1)
Pin No.
Pin Name
I/O
Application
Processing Operation Description
1
SH_DATA_H
O
HTR-C µ-com
→
System µ-com data output
Communication speed: 4800bps
2
SH_DATA_S
I
System µ-com
→
HTR-C µ-com data output
Communication speed: 4800bps
3
MOD2
I
Memory access mode setting input terminal
for when FLASH
Always L input
4
TYPE1
I
Destination setting
4V or higher: Left-hand steering
2V or lower: Right-hand steering
5
TYPE2
I
Destination setting
4V or higher: SINGLE, 2V or lower: DUAL
6
TYPE3
I
Destination setting
4V or higher: 15~29°C, 2V or lower: 18~32°C
7~11
NC
O
Not used
Output L fi xed
12
AVCC
-
A/D converter power supply terminal
13
AVR
-
A/D converter standard voltage input terminal
14
AVSS
-
A/D converter power supply terminal
15
NC
I
Not used
Input fi xed
16
ACC_DET
I
ACC detection
L: ACC ON, H: ACC OFF, Detected voltage: 8.9V
17~19
NC
I
Not used
Input fi xed
20
RST
-
Reset input terminal
L: Reset
21
MD0
-
Input terminal for memory access mode setting H: When writing FLASH µ-com, L: Other
22
MD1
-
Input terminal for memory access mode setting H: When writing FLASH µ-com, L: Other
23
X0
-
Oscillator connection terminal
12.288MHz
24
X1
-
Oscillator connection terminal
12.288MHz
25
VSS
-
Power supply terminal
