UPD78F0411GA-GAM-AX Datasheet, PDF (78/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 4 PORT FUNCTIONS
4.1 Port Functions
There are two types of pin I/O buffer power supplies: AVREF^Note and VDD. The relationship between these power
supplies and the pins is shown below.
Table 4-1. Pin I/O Buffer Power Supplies
Power Supply
AVREF^Note
VDD
Corresponding Pins
P20 to P25
Port pins other than P20 to P25
Note μPD78F041x only. The power supply is VDD with μPD78F040x.
78K0/LC3 products are provided with the ports shown in Figure 4-1, which enable variety of control operations.
The functions of each port are shown in Table 4-2.
In addition to the function as digital I/O ports, these ports have several alternate functions. For details of the
alternate functions, see CHAPTER 2 PIN FUNCTIONS.
Figure 4-1. Port Types
Port 10
Port 11
Port 12
Port 14
Port 15
P100
P101
P112
P113
P120
P124
P140
P143
P150
P153
P12
P13
Port 1
P20
Port 2
P25
P31
Port 3
P34
P40
Port 4
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User’s Manual U18698EJ1V0UD