9
■
MCU board I/F connector(CN1/CN2/CN3)
CN1 and CN2 are MCU board I/F connectors. CN3 is the incorrect insertion prevention socket of a
MCU board. The pin assignment of the MCU board I/F connector CN1 is shown in Table 5, and the
pin assignment of the MCU board I/F connector CN2 is shown in Table 6.
Table 5 Pin assignment of the MCU board I/F connector CN1
Connector
Pin Num-
bers
Evaluation
MCU Pin
Numbers
Signal
name
Connector
Pin
Numbers
Evaluation
MCU Pin
Numbers
Signal
name
Connector
Pin
Numbers
Evaluation
MCU Pin
Numbers
Signal
name
1
A9
PC4
41
E2
LVR3
81
P3
BSOUT
2
B9
PC1
42
E1
LVSS
82
P4
BDBMX
3
C9
PC2
43
F4
LVDREXT
83
R1
P83
4
D9
PC3
44
F3
LVDBGR
84
R2
BRSTX
5
A8
PC0
45
F2
LVDENX
85
R3
X0A
6
B8
PB4
46
F1
P22A
86
R4
RSTX
7
C8
PB5
47
⎯
GND
87
T1
ROMS1
8
D8
PB6
48
⎯
GND
88
T2
BSIN
9
A7
PB7
49
G4
P20A
89
T3
Vss
10
B7
PB2
50
G3
NC1
90
T4
X0
11
C7
PB0
51
G2
P21A
91
U1
BEXCK
12
D7
PB1
52
G1
P23A
92
U2
X1
13
A6
PB3
53
H4
P24A
93
U3
MOD
14
B6
PA2
54
H3
P25A
94
U4
PF2
15
C6
P95
55
H2
P26A
95
V1
X1A
16
D6
PA0
56
H1
P27A
96
V2
Vcc53
17
A5
PA3
57
J4
P24B
97
⎯
GND
18
B5
P94
58
J3
P50
98
⎯
GND
19
C5
P90
59
J2
P23B
99
V3
PINT0
20
D5
P91
60
J1
P51
100
V4
PSEL_EXT
21
A4
PA1
61
K1
P52
101
R5
PF1
22
A3
P93
62
K2
P55
102
T5
PF0
23
⎯
GND
63
K3
P54
103
U5
NC2
24
⎯
GND
64
K4
P53
104
V5
PENABLE
25
A2
CSVENX
65
L1
P70
105
R6
APBENX
26
A1
Vss
66
L2
P74
106
T6
PINT1
27
B4
P92
67
L3
P73
107
U6
PCLK
28
B3
TCLK
68
L4
P72
108
V6
PADDR0
29
B2
LVCC
69
M1
P71
109
R7
PACTIVE
30
B1
LVDIN
70
M2
P76
110
T7
PLOCK
31
C4
Cpin
71
M3
P80
111
U7
PWRITE
32
C3
Vcc51
72
M4
P77
112
V7
PADDR1
33
C2
LVDENX2
73
⎯
GND
113
R8
PADDR2
34
C1
LVR4
74
⎯
GND
114
T8
PADDR3
35
D4
TESTO
75
N1
P75
115
U8
PADDR4
36
D3
LVDOUT
76
N2
P82
116
V8
PADDR5
37
D2
LVR2
77
N3
PG0
117
R9
PADDR7
38
D1
BGOENX
78
N4
P84
118
T9
PRDATA0
39
E4
LVR1
79
P1
P81
119
U9
PADDR6
40
E3
LVR0
80
P2
ROMS0
120
V9
PRDATA1
Summary of Contents for MB2146-251
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