11
KDC-W8534/W8534Y
KDC-X790
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
PANEL MICROCOMPUTER : 703134GJ013-A (X16 : IC4)
Pin No.
Pin Name
I/O
Function
Processing Operation
1~7
D14~D8
I/O
Data input/output
8
3.3VDD
-
3.3V
9
VSS
-
Connect to GND
10~17
D7~D0
I/O
Data input/output
18
FLGCP1
O
FL harmony control
Lighting timing (brightness harmony) is controlled
with pulse interval. GCP=FLGCP2
19
NC
-
Not used
20
SYS REQ
I
System
µ
-com communication request
H : Data communication
21
SC CON
I
System
µ
-com communication/Panel operation control
H : Panel operation
22
FL BK
O
Fruorescent indicator blackout control
H : Fruorescent indicator turned on, L : turned off
23
2.5VDD
-
2.5V
24
VSS
-
Connect to GND
25
NC
-
Not used
26,27
KS1, KS2
I/O
Key scan
L : Output, Hi-Z : Switching
28,29
TD0, TD1
-
Not used
30,31
KS3, KS4
I/O
Key scan
L : Output, Hi-Z : Switching
32
TRST
I
Pull down
33
ROTARY CCW
I
Rotary A
1-pulse/2-click, 15-pulse/360
°
34
ROTARY CW
I
Rotary B
1-pulse/2-click, 15-pulse/360
°
35,36
TMS, TCM
-
Not used
37
3.3VDD
-
3.3V
38
EVSS
-
Connect to GND
39
KS5
I/O
Key scan
L : Output, Hi-Z : Switching
40~42
KR1, KR2, KR3
I
Key return
43
FLGCP2
O
Fruorescent indicator harmony control
Lighting timing (brightness harmony) is controlled
with pulse interval. GCP=FLGCP2
44
PAN REQ
O
Panel communication request
H : Data communication in progress
45
SYS DATA
I
Data reception from system
µ
-com
UART communication 500kbps
46
PAN DATA
O
Data transmission from panel
UART communication 500kbps
47
FL CLK
O
Fruorescent indicator serial communication reference clock
Reference clock 4.125MHz
48
KR4 INT
I
Key return
Interruption possible
49
FL DATA1
O
Fruorescent indicator serial control data
50
CLK IN3
I
Serial synchronization clock
Synchronized to Fruorescent indicator CLK
51
FL EL
O
Fruorescent indicator skip shift control
H or Hi-Z : Odd number skip, L : Even number skip
52
FL DATA2
O
Fruorescent indicator serial control data
53
CLK IN2
I
Serial synchronization clock
Synchronized to Fruorescent indicator CLK
54
FL LAT
O
Fruorescent indicator latch control
55
FL DATA3
O
Fruorescent indicator serial control data
56
3.3VDD
-
3.3V
57,58
X2,X1
I
Clock
6.6MHz
59
CVSS
-
Connect to GND
60
CKSEL
-
Connect to GND