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CHAPTER 4 PIN FUNCTION (
µ
PD78078Y SUBSERIES)
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.
Table 4-1. Pin Input/Output Circuit Types (1/2)
Pin Name Input/Output Input/Output Recommended Connection of Unused Pins
Circuit Type
P00/INTP0/TI00 2 Input Connect to VSS.
P01/INTP1/TI01 8-A Input/Output Connect independently via a resistor
P02/INTP2 to VSS.
P03/INTP3
P04/INTP4
P05/INTP5
P06/INTP6
P07/XT1 16 Input Connect to VDD.
P10/ANI0 to P17/ANI7 11 Input/Output Connect independently via a
P20/SI1 8-A resistor to VDD or VSS.
P21/SO1 5-A
P22/SCK1 8-A
P23/STB 5-A
P24/BUSY 8-A
P25/SI0/SB0/SDA0 10-A
P26/SO0/SB1/SDA1
P27/SCK0/SCL
P30/TO0 5-A
P31/TO1
P32/TO2
P33/TI1 8-A
P34/TI2
P35/PCL 5-A
P36/BUZ
P37
P40/AD0 to P47/AD7 5-E Input/Output Connect independently via a resistor
to VDD.