Pin Input/Output Circuits And Recommended Connection Of Unused Pins; Type Of Input/Output Circuit Of Each Pin - NEC PD78081(A) User Manual

2.3

Pin Input/Output Circuits and Recommended Connection of Unused Pins

Types of input/output circuits of the pins and recommeded connection of unused pins are shown in Table 2-1.
For the configuration of each type of input/output circuit, see Figure 2-1.
Pin Name
P00
P01/INTP1
P02/INTP2
P03/INTP3
P10/ANI0-P17/ANI7
P30-P32
P33, P34
P35/PCL
P36/BUZ
P37
P50-P57
P70/SI2/RxD
P71/SO2/TxD
P72/SCK2/ASCK
P100/TI5/TO5
P101/TI6/TO6
RESET
AV
REF
AV
DD
AV
SS
V ( PD78P083)
PP
NC (44-pin plastic QFP
version)
IC (Mask ROM version)
22
CHAPTER 2 PIN FUNCTION
Table 2-1. Type of Input/Output Circuit of Each Pin
Input/Output
Circuit Type
2 Input
8-A Input/Output
11 Input/Output
5-A
8-A
5-A
5-A
8-A
5-A
8-A
8-A
2 Input
–
Input/Output Recommended Connection for Unused Pins
Connect to V
Independently connect to V
Independently connect to V
a resistor.
– Connect to V
Connect to V
Connect to V
Connect directly to V
Connect to V
Connect directly to V
.
SS
via a resistor.
SS
or V via
DD SS
–
.
SS
.
DD
.
SS
.
SS
(can also leave open)
SS
.
SS