6
Table 2 Pin assignments of general-purpose I/F connectors (continues on next page)
MCU MCU
General-purpose I/F
connector A
General-purpose I/F
connector A
Pin No.
Pin
No.
Pin name
Pin No.
Pin
No.
Pin name
A1 17
P44/A12/SCK0 B1 12
P43/A11/SOT0
A2 11
P42/A10/SIN0 B2 1
P30/A00/TIN1
A3 2
P31/A01/TOT1 B3 8
P37/A07
A4 9
P40/A08/TIN0 B4
10
P41/A09/TOT0
A5 18
P45/A13/SIN1 B5 3
P32/A02/TIN2
A6 4
P33/A03/TOT2 B6 5
P34/A04
A7 6
P35/A05
B7 -
-
A8 7
P36/A06
B8
19
P46/A14/SOT1
A9 20
P47/A15/SCK1 B9 21
P60/INT0
A10 90 RSTX
B10 22
P61/INT1
A11 23
P62/INT2/SIN B11
108 X0
A12 107 X1
B12 -
-
A13 24
P63/INT3/SOT B13 25
P64/INT4/SCK
A14 26
P65/INT5/PWC B14 27
P66/INT6/SCL0
A15 28
P67/INT7/SDA0 B15 29
P90/SIN2
A16 30
P91/SOT2
B16 31
P92/SCK2
A17 32
P93/SIN3
B17 33
P94/SOT3
A18 34
P95/SCK3
B18 35
P96/ADTG/FRCK
A19 36 AVcc
B19 37 AVRH
A20 38 AVss
B20 39
P70/AN0
A21 40 P71/AN1
B21 41
P72/AN2
A22 42 P73/AN3
B22 43
P74/AN4
A23 44 P75/AN5
B23 45
P76/AN6
A24 46 P77/AN7
B24 48
P80/AN8
A25 49 P81/AN9
B25 50
P82/AN10
A26 51
P83/AN11
B26 52
P84/AN12
A27 53
P85/AN13
B27 54
P86/AN14
A28 -
-
B28 -
-
A29 -
-
B29 -
-
A30 -
-
B30 -
-
Summary of Contents for MB2031-20
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