User’s Manual U16899EJ2V0UD
32
CHAPTER 2 PIN FUNCTIONS
2.1 Pin Function List
There are three types of pin I/O buffer power supplies: AV
REF
, EV
DD
, and V
DD
. The relationship between these
power supplies and the pins is shown below.
Table 2-1. Pin I/O Buffer Power Supplies
Power Supply
Corresponding Pins
AV
REF
P20 to P27
EV
DD
Port pins other than P20 to P27
V
DD
Pins other than port pins
(1) Port pins (1/2)
Pin Name
I/O
Function
After Reset
Alternate Function
P00
TI000
P01
TI010/TO00
P02
SO11
Note
P03
SI11
Note
P04
SCK11
Note
P05
SSI11
Note
/TI001
Note
P06
I/O
Port 0.
7-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input
TI011
Note
/TO01
Note
P10
SCK10/TxD0
P11
SI10/RxD0
P12
SO10
P13
TxD6
P14
RxD6
P15
TOH0
P16
TOH1/INTP5
P17
I/O
Port 1.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input
TI50/TO50/FLMD1
P20 to P27
Input
Port 2.
8-bit input-only port.
Input
ANI0 to ANI7
P30 to P32
INTP1 to INTP3
P33
I/O
Port 3.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input
INTP4/TI51/TO51
Note SO11, SI11, SCK11, SSI11, TI001, TI011, and TO01 are available only in the
µ
PD78F0133H, 78F0134H,
78F0136H, 78F0138H, and 78F0138HD.
Содержание MuPD78F0132H
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