µPD75004, 75006, 75008
3.4 SELECTION OF MASK OPTION
The following mask operations are available and can be specified for each pin.
Table 3-1 Mask Option Selection
Pin
P40-P43,
P50-P53
Mask Option
• With pull-up resistor
• Without pull-up resistor
*: Mask option can be specified in bit units.
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3.5 RECOMMENDED PROCESSING OF UNUSED PINS
Table 3-2 Processing of Unused Pins
Pin
P00/INT4
P01/SCK
P02/SO/SB0
P03/SI/SB1
P10/INT0-P12/INT2
P13/TI0
P20/PTO0
P21
P22/PCL
P23/BUZ
P30-P33
P40-P43
P50-P53
P60-P63
P70-P73
P80-P81
XT1
XT2
Recommended Connections
Connect to VSS
Connect to VSS or VDD
Connect to VSS
Input : Connect to VSS or VDD
Output: Open
Connect to VSS or VDD
Open
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