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