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User’s Manual U15195EJ5V0UD
CHAPTER 2 PIN FUNCTIONS
The names and functions of the V850E/IA2 pins are shown below. These pins can be divided by function into port
pins and non-port pins.
2.1 List of Pin Functions
(1) Port pins
(1/2)
Pin Name
I/O
Function
Alternate Function
P00
NMI
P01
ESO0/INTP0
P02
ESO1/INTP1
P03
ADTRG0/INTP2
P04
ADTRG1/INTP3
P05
Input Port
0
6-bit input-only port
P00 is the input port that indicates the status of the NMI pin. The level of
the NMI pin can be read by reading the P0.P00 bit. When a valid edge is
input, the port functions as an NMI input.
INTP4/TO3OFF
P10
TIUD10/TO10
P11
TCUD10/INTP100
P12
I/O Port
1
3-bit I/O port
Input or output can be specified in 1-bit units
TCLR10/INTP101
P20
TI2/INTP20
P21
TO21/INTP21
P22
TO22/INTP22
P23
TO23/INTP23
P24
TO24/INTP24
P25
TCLR2/INTP25
P26
TI3/TCLR3/INTP30
P27
I/O Port
2
8-bit I/O port
Input or output can be specified in 1-bit units
TO3/INTP31
P30
RXD0
P31
TXD0
P32
RXD1/SI1
P33
TXD1/SO1
P34
I/O Port
3
5-bit I/O port
Input or output can be specified in 1-bit units
ASCK1/SCK1
P40
SI0
P41
SO0
P42
I/O Port
4
3-bit I/O port
Input or output can be specified in 1-bit units
SCK0
PCM0
WAIT
PCM1
I/O Port
CM
2-bit I/O port
Input or output can be specified in 1-bit units
CLKOUT
Содержание PD703114
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