Port 3 - NEC V850ES/KE1+ User Manual

4.3.2 Port 3

Port 3 is an 8-bit I/O port for which I/O settings can be controlled in 1-bit units.
Port 3 includes the following alternate functions.
Pin No. Pin Name
22 P30
23 P31
24 P32
25 P33
26 P34
27 P35
55 P38
56 P39
Notes 1. Software pull-up function
μ
2. Only in the PD703302Y, 70F3302Y
3. An on-chip pull-up resistor can be provided by a mask option (only in the
Caution P31 to P35, P38, and P39 have hysteresis characteristics when the alternate function is input, but
not in the port mode.
80
CHAPTER 4 PORT FUNCTIONS
Table 4-5. Alternate-Function Pins of Port 3
Alternate Function
TXD0 Output
RXD0/INTP7
ASCK0/ADTRG/TO01
TIP00/TOP00
TIP01/TOP01
TI010/TO01
Note 2
SDA0
Note 2
SCL0
User's Manual U16896EJ2V0UD
Note 1
I/O PULL
Yes
Input
I/O
I/O
I/O
I/O
Note 3
I/O No N-ch open-drain output
I/O
Remark Block Type
– D-U
D1-SUIHL
E10-SUL
Gxx10-SUL
Gxx10-SUL
E10-SUL
D2-SNMUFH
D2-SNMUFH
μ
PD703302, 703302Y).