UP-5900VS
CIRCUIT DESCRIPTION
5 – 31
13. PS/2 KEYBOARD CONTROLLER
M38813 of Mitsubishi Electric is employed to control the keyboard and the mouse.
In the UP-5900, IRQ12 is not used and therefore no mouse can be use.
13-1. PIN ASSIGNMENT
13-2. PS2 CONNECTOR PIN ASSIGNMENT
13-3. BUILT-IN KEY PAD
Key Layout (Default)
No.
Name
Default
Signal
No.
Name
Default
Signal
No.
Name
Default
Signal
33
P17
KSO15
(N.U.)
49
P37
KSI7
(N.U.)
12
P47
KBDDATA
KBDATA
34
P16
KSO14
(N.U.)
50
P36
KSI6
(N.U.)
13
P46
Xkbdclk
KBCLK
35
P15
KSO13
(N.U.)
51
P35
KSI5
(N.U.)
17
P42
AUXDATA
MSDATA
36
P14
KSO12
(N.U.)
52
P34
KSI4
KRTN4
16
P43
xAUXCLK
MSCLK
37
P13
KSO11
(N.U.)
53
P33
KSI3
KRTN3
15
P44
IRQ1
IRQ1
38
P12
KSO10
(N.U.)
54
P32
KSI2
KRTN2
14
P45
IRQ12
(N.U.)
39
P11
KSO9
(N.U.)
55
P31
KSI1
KRTN1
21
P40
xRC
RCIN
40
P10
KSO8
(N.U.)
56
P30
KSI0
KRTN0
20
P41
GATEA20
A20GATE
41
P07
KSO7
(N.U.)
8
P53
HKO7
(P.U.)
25
P27
SCROLL
(N.U.)
42
P06
KSO6
(N.U.)
9
P52
HKO6
(P.U.)
26
P26
NUM
(N.U.)
43
P05
KSO5
KSTB5
10
P51
HKO5
(P.U.)
27
P25
APS
(N.U.)
44
P04
KSO4
KSTB4
11
P50
HKO4
(P.U.)
28
P24
KANA/PAD
(N.U.)
45
P03
KSO3
KSTB3
29
P23
HKO3
(P.U.)
58
P61
TBDATA
(N.U.)
46
P02
KSO2
KSTB2
30
P22
HKO2
(P.U.)
59
P60
TBCLK
(P.U.)
47
P01
KSO1
KSTB1
31
P21
HKO1
(P.U.)
48
P00
KSO0
KSTB0
32
P20
HKO0
(N.U.)
Pin
I/O
Signal
1
I/O
KBDATA
2
I/O
MSDATA
3
-
GND
4
-
+5V
5
I/O
KBCLK
6
I/O
MSCLK
7
-
FG
8
-
FG
9
-
FG
6
5
3
4
2 1
Number of Keys: 27Key (including 10 Key), Max. 30 Keys
(3 of them are 1
u
2Key), Free Key Layout
1
u
2Key has the same Key setup.
KS05
ESC
F4
F5
F10
Tab
Delete
KS04
KS03
KS02
KS01
KS00
KSI0
KSI1
KSI2
KSI3
KSI4
Back
Space
Space
Enter
1
2
0
00
3
4
5
6
7
8
9
L-Shift
L-Ctrl
L-Alt