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GX204KEF2/KHF2/LEF2
GX204REF2/SEF2
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Pin Name
38
ENC_R2
39
ENC_R1
40,41
KR3, KR2
41
P10
42,43
KR1, KR0
44~46
KS2~KS0
47
NC
48
SCL
49
SDA
FLASH: [C]
50
MASK: [NC]
51,52
NC
53
HTR_ECU_TX
54
HTR_ECU_RX
55
FL_BLK
56
ILL_DET-
TE
57
VCC
L 13942296513
58
ILL_DET+
59
FL_FIL_ON
60
FL_LAT
61
FL_CLK
61
FLASH_CLK
62
FL_SO
62
FLASH_SO
63
FLASH_SI
63
NC
64
DC_DC_ON
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12
I/O
Application
I
Rotary encoder (right) pulse count input terminal
I
Rotary encoder (right) pulse count input terminal
I
Key scan pulse input terminal
I
Input terminal for FLASH writing setting
I
Key scan pulse input terminal
I/O
Key scan pulse output terminal
O
Not used
I/O
Outputs clock to E2PROM
I/O
Outputs serial data to E2PROM
In FLASH products, connect 0.1µF, and
-
in MASK products, NC (no connection)
O
Not used
HTR-C µ-com → HTR-C ECU
O
HTR-C ECU → HTR-C µ-com
I
O
FL display tube blank control terminal
I
ILL- detection (pulse input)
-
Power supply terminal
I
ILL+ detection
I/O
FL tube filament power supply control SW
O
FL data latch control terminal
O
FL clock output terminal
Clock output to ROM writer
O
(For FLASH µ-com only)
O
FL data output terminal
Data output to ROM writer
O
(For FLASH µ-com only)
Data input from ROM writer
I
(For FLASH µ-com only)
For mask µ-com, Not used
O
I/O
FL tube power supply control terminal
x
ao
y
i
8
H: When writing FLASH µ-com
Output L fixed
Output L fixed
4800bps
4800bps
FL display tube luminance control by PWM control
H: Blank (display OFF)
Q Q
3
6 7
1 3
ILL ON: H
Hi-Z: OFF, L: ON. Timing is the same as DC_DC_ON
Execute output OFF count while not displayed.
Sync clock output while VFD serial communication
Clock transmission to ROM writer
(communication speed is dependent on ROM writer)
Display data transmission to VFD
Data transmission to ROM writer
(communication speed is dependent on ROM writer)
Data reception from ROM writer
(communication speed is dependent on ROM writer)
Output L fixed
Hi-Z: ON, L: OFF
u163
.
2 9
9 4
2 8
Processing Operation Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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