NEC 78K0 Series User Manual page 99

5.1 Port Functions
There are three types of pin I/O buffer power supplies: AV
power supplies and the pins is shown below.
78K0/KE2 products are provided with the ports shown in Figure 5-1, which enable variety of control operations.
The functions of each port are shown in Table 5-2.
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.
Port 5
Port 6
Port 7
Port 12
Port 13
Port 14
CHAPTER 5 PORT FUNCTIONS
Table 5-1. Pin I/O Buffer Power Supplies
Power Supply
AV P20 to P27
REF
EV Port pins other than P20 to P27 and P121 to P124
DD
• P121 to P124
V
DD
• Non-port pins
Figure 5-1. Port Types
P50
P53
P60
P63
P70
P77
P120
P124
P130
P140
P141
Preliminary User's Manual U17260EJ3V1UD
, EV , and V . The relationship between these
REF DD DD
Corresponding Pins
P00
P06
P10
P17
P20
P27
P30
P33
P40
P43
Port 0
Port 1
Port 2
Port 3
Port 4
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