CHAPTER 3 PIN FUNCTION (µPD78070A)
3.3 Pin Input/Output Circuits and Recommended Connection of Unused Pins
Table 3-1 shows the input/output circuit types of pins and the recommended connections of unused pins.
Refer to Figure 3-1 for the configuration of the input/output circuit of each type.
Table 3-1. Pin Input/Output Circuit Types (1/2)
Pin Name
Input/Output
Circuit Type
Input/Output Recommended Connection of Unused Pins
P00/INTP0/TI00
2
Input
Connect to VSS.
P01/INTP1/TI01
P02/INTP2
P03/INTP3
P04/INTP4
P05/INTP5
P06/INTP6
P07/XT1
8-A
Input/Output Independently connect to VSS via a
resistor.
16
11
Input
Connect to VDD.
P10/ANI0 to P17/ANI7
P20/SI1
Input/Output Independently connect to VDD or VSS via a
resistor.
8-A
5-A
8-A
5-A
8-A
10-A
P21/SO1
P22/SCK1
P23/STB
P24/BUSY
P25/SI0/SB0
P26/SO0/SB1
P27/SCK0
P30/TO0
5-A
P31/TO1
P32/TO2
P33/TI1
8-A
5-A
P34/TI2
P35/PCL
P36/BUZ
P37
66
ETC [ ETC ]
