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Table 2-18
Port group list for µPD70(F)3420, µPD70(F)3421, µPD70(F)3422,
µPD70F3423 (1/4)
Port group
name
0
1
2
3
4
Preliminary User's Manual U17566EE1V2UM00
Alternative outputs
Port name
ALT1_OUT/ALT2_OUT/
LCD_OUT
P00
–
P01
–
P02
–
P03
–
P04
–
P05
–
P06
–
P07
VCMPO0
P16
SDA0
P17
SCL0
P20
SDA1/SEG0
P21
SCL1/SEG1
P22
SEG2
P23
SEG3
P24
SEG4
P25
SEG5
P26
SEG6
P27
SEG7
P30
TXDA0/SDA1
P31
SCL1
P32
TXDA1/SEG31
P33
SEG29
P34
SEG8/TOG21
P35
SEG9/TOG22
P36
SEG10/TOG23
P37
SEG11/TOG24
P40
–
P41
SOB0
P42
SCKB0
P43
SEG22
P44
SOB1/SEG21
P45
SCKB1/SEG20
P46
–
P47
CTXD0
Chapter 2
Alternative
Port
inputs
type
INTP0/NMI
M
INTP1
M
INTP2
M
INTP3
M
INTP4
M
DRST
R
INTP5
M
INTP6
M
SDA0
M
SCL0
M
SDA1
M
TIG02/SCL1
M
TIG03
M
TIG04
M
TIG11
M
TIG12
M
TIG13
M
TIG14
M
SDA1
M
RXDA0/SCL1
M
–
M
RXDA1
M
–
M
TIG22
M
TIG23
M
TIG24
M
SIB0
M
–
M
SCKB0
M
SIB1
M
–
M
SCKB1
M
CRXD0
M
–
M
57
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