CHAPTER 3 PIN FUNCTION (µPD78070A)
Table 3-1. Pin Input/Output Circuit Types (2/2)
Pin Name
Input/Output
Circuit Type
Input/Output Recommended Connection of Unused Pins
P60 to P63
13-C
5-A
8-A
5-A
8-A
13-C
5-A
8-A
Input/Output Independently connect to VDD via a resistor.
Input/Output Independently connect to VDD or VSS via a
resistor.
P66/WAIT
P70/SI2/RxD
P71/SO2/TxD
P72/SCK2/ASCK
P90 to P93
P94 to P96
P100/TI5/TO5
P101/TI6/TO6
P102, P103
P120/RTP0 to P127/RTP7
P130/ANO0, P131/ANO1
AD0 to AD7
A0 to A15
RD
Input/Output Independently connect to VDD via a resistor.
Input/Output Independently connect to VDD or VSS via a
resistor.
5-A
12-A
5-E
Input/Output Independently connect to VSS via a resistor.
Input/Output Independently connect to VDD via a resistor.
5-A
Output
Leave open
WR
ASTB
RESET
2
Input
—
—
XT2
16
—
Leave open
AVREF0
Connect to VSS.
Connect to VDD.
AVREF1
AVDD
AVSS
Connect to VSS.
IC
Connect directly to VSS.
67
ETC [ ETC ]
