XK-1
00228-25216
MGH-94A(8/9)
XK-1
AK0
AK1
AK2
AK3
AK4
AK5
AK6
AK7
AK8
AK9
AK10
AK11
AK12
AK13
AK14
AK15
AK16
AK17
AK0
AK1
AK2
AK3
AK4
AK5
AK6
AK7
AK8
AK9
AK10
AK11
AK12
AK13
AK14
AK15
AK16
DK0
DK1
DK2
DK3
DK4
DK5
DK6
DK7
C111
0.1u
DK8
DK9
DK10
DK11
DK12
DK13
DK14
DK15
DK8
DK9
DK10
DK11
DK12
DK13
DK14
DK15
AK18
for Debugger
JP6
C172
0.1u
C173
0.1u
AK17
AK18
KEY RXD1
C176
10pF
C177
10pF
X4
25MHz
KEY TXD1
H8 CS0
H8 RD
H8 HWR
H8 RD
H8 CS0
H8 CS1
KEYSCAN RESET
H8 HWR
R61
10K
H8 CS1
+3.3V
TxDU1
RxDU1
H8 MD2
RESET
GND
R62
10K
R63
10K
5
6
U5C
74LV04APW
KEY IREQ
KD1
KD2
KD3
KD4
KD5
KD6
KD7
KD0
KD[0.. 7]
KD[0.. 7]
BOOT CONECT
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
Vcc
20
GND
10
U22
74LV245APW
KEYBOARD HI
H8 CS1
H8 HWR
H8 HWR
KEYBOARD LOW
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
E
19
DIR
1
Vcc
20
GND
10
U23
74LV245APW
C85
0.1u
H8 CS1
H8 CS1
H8 HWR
H8 HWR
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
Vcc
16
GND
8
U13
74LV138APW
AK4
AK1
AK2
AK3
C86
0.1u
H8 CS1
H8 CS1
DK0
DK1
DK2
DK3
DK4
DK5
DK6
DK7
DK8
DK9
DK10
DK11
DK12
DK13
DK14
DK15
KEYSCAN_CE
KEYSCAN_CE
R133
100
R134
100
H8 FWE
H8 FWE
C87
0.1u
C88
0.1u
TXDU1
RXDU1
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
R135
100
C89
0.1u
H8 MD1
KEY RESET/
H8 FWE
H8 MD0
KEY RESET/
TEST11
TEST12
FWE
KEYSCAN CPU
A0
36
A1
37
A2
38
A3
39
A4
40
A5
41
A6
42
A7
43
A8
45
A9
46
A10
47
A11
48
A12
49
A13
50
A14
51
A15
52
NMI
64
STBY
62
CLKOUT
61
Vss
11
RD
70
HWR
71
RESET
63
XTAL
67
EXTAL
66
P70/AN0
78
P71/AN1
79
P72/AN2
80
P73/AN3
81
P74/AN4
82
P75/AN5
83
P76/AN6
84
P77/AN7
85
A16
53
A17
54
A18
55
A19
56
PA7/TIOCB2/A20/TP7
100
LWR
72
MD0
73
MD1
74
MD2
75
D0
18
D1
19
D2
20
D3
21
D4
23
D5
24
D6
25
D7
26
D8
27
D9
28
D10
29
D11
30
D12
31
D13
32
D14
33
D15
34
PA1/TEND1/TCLKB/TP1
94
PA2/TIOCA0/TCLKC/TP2
95
PA3/TIOCB0/TCLKD/TP3
96
PA4/TIOCA1/A23/TP4
97
PA5/TIOCB1/A22/TP5
98
PA6/TIOCA2/A21/TP6
99
PB0/TMO0/CS7
2
PB1/DREQ0/CS6
3
PB2/TMO2/CS5
4
PB3/DREQ1/CS4
5
PB4/UCAS
6
PB5/LCAS
7
PB6/TxD2
8
PB7/RxD2
9
P80/IREQ0
87
P81/CS3/IREQ1
88
P82/CS2/IREQ2
89
P83/CS1/IREQ3/ADTRG
90
P84/CS0
91
PA0/TEND0/TCLKA/TP0
93
P60/WAIT
58
P61/BREQ
59
P62/BACK
60
RESET OUT
10
AS
69
P94/IREQ4/SCK0
16
P95/IREQ5/SCK1
17
P90/TXD0
12
P91/TXD1
13
P92/RXD0
14
P93/RXD1
15
Vss
22
Vss
44
Vss
57
Vss
65
Vss
92
Vcc
1
Vcc
35
Vcc
68
AVcc
76
AVss
86
Vref
77
U41
HD64F3024F
H8 MD1
H8 MD0
H8 MD1
H8 MD2
H8 MD0
H8 MD2
R64
10K
+3.3V
R65
10K
R66
10K
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
CE
22
OE
24
Vcc
32
GND
16
A15
3
A16
2
A17
30
A18/PRG
31
Vpp
1
U17
REA-32DP-32SP
R67
10K
1
2
3
4
5
6
7
8
9
10
J112
B10B-PH-K-S
GND
RA16
8-3300
RA10
8-47
RA17
8-3300
NOT USED
NOT USED
+3.3V
Debug(mode 3)
On Flash(mode 5)
MD0 MD1 MD2
0
1
Boot Mode(mode 5)
FWE
0
1
0
1
0
1
0
1
1
0
FB48
FB49
FB50
FB51
FB52
FB53
FB54
FB55
FB56
FB57
FB58
FB59
FB60
FB61
FB62
FB63
C262
C263
C264
C265
C266
C267
C268
C269
C270
C271
C272
C273
C274
C275
C276
C277
47pF x 16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J113
XG4C-1631
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J114
XG4C-1631
NOT USED
7-8
