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4.3 Input/output Circuits and Recommended Connection of Unused Pins
Table 4-1 shows the input/output circuit types of pins and the recommended conditions for unused pins.
Refer to Figure 4-1 for the configuration of the input/output circuit of each type.
Pin Name
P00/INTP0/TI00
P01/INTP1/TI01
P02/INTP2
P03/INTP3
P04/INTP4
P05/INTP5
P06/INTP6
P07/XT1
P10/ANI0 to P17/ANI7
P20/SI1
P21/SO1
P22/SCK1
P23/STB
P24/BUSY
P25/SI0/SB0/SDA0
P26/SO0/SB1/SDA1
P27/SCK0/SCL
P30/TO0
P31/TO1
P32/TO2
P33/TI1
P34/TI2
P35/PCL
P36/BUZ
P37
P40/AD0 to P47/AD7
96
CHAPTER 4 PIN FUNCTION ( PD78078Y SUBSERIES)
Table 4-1. Pin Input/Output Circuit Types (1/2)
Input/Output
Input/Output
Circuit Type
2
Input
8-A
Input/Output
16
Input
11
Input/Output
8-A
5-A
8-A
5-A
8-A
10-A
5-A
8-A
5-A
5-E
Input/Output
Recommended Connection of Unused Pins
Connect to V
.
SS
Connect independently via a resistor
to V
SS.
Connect to V
.
DD
Connect independently via a
resistor to V
or V
.
DD
SS
Connect independently via a resistor
to V
.
DD
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