Datasheet

V850ES/JG3 CHAPTER 2 PIN FUNCTIONS
R01UH0015EJ0300 Rev.3.00 Page 11 of 870
Sep 30, 2010
CHAPTER 2 PIN FUNCTIONS
2.1 List of Pin Functions
The names and functions of the pins in the V850ES/JG3 are described below.
There are three types of pin I/O buffer power supplies: AV
REF0, AVREF1, and EVDD. The relationship between these power
supplies and the pins is described below.
Table 2-1. Pin I/O Buffer Power Supplies
Power Supply Corresponding Pins
AVREF0 Port 7
AVREF1 Port 1
EVDD RESET, ports 0, 3 to 5, 9, CM, CT, DH, DL
(1) Port pins
(1/3)
Pin Name Pin No. I/O Function Alternate Function
P02 17 NMI
P03 18 INTP0/ADTRG
P04 19 INTP1
P05
Note
20 INTP2/DRST
P06 21
I/O
Port 0
5-bit I/O port
Input/output can be specified in 1-bit units.
N-ch open-drain output can be specified in 1-bit units.
5 V tolerant.
INTP3
P10 3 ANO0
P11 4
I/O
Port 1
2-bit I/O port
Input/output can be specified in 1-bit units.
ANO1
P30 25 TXDA0/SOB4
P31 26 RXDA0/INTP7/SIB4
P32 27 ASCKA0/SCKB4/TIP00/TOP00
P33 28 TIP01/TOP01
P34 29 TIP10/TOP10
P35 30 TIP11/TOP11
P36 31
−
P37 32
−
P38 35 TXDA2/SDA00
P39 36
I/O
Port 3
10-bit I/O port
Input/output can be specified in 1-bit units.
N-ch open-drain output can be specified in 1-bit units.
5 V tolerant.
RXDA2/SCL00
Note Incorporates a pull-down resistor. It can be disconnected by clearing the OCDM.OCDM0 bit to 0.