PD178002_15 Datasheet, PDF (12/50 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD178002, 178003
3.3 Pin I/O Circuits and Recommended Connection of Unused Pins
The input/output circuit type of each pin and recommended connection of unused pins are shown in Table 3-1.
For the input/output circuit configuration of each type, refer to Figure 3-1.
Pin Name
P00/INTP0
P01/INTP1, P02 to P06
P10/ANI0 to P12/ANI2
P13 to P15
P20/SI1
P21/SO1
P22/SCK1
P23
P24
P25 to P27
P30 to P32
P33/TI1, P34/TI2
P35
P36/BEEP
P37
P40 to P47
P50 to P57
P60 to P63
P64 to P67
P120 to P125
P132 to P134
EO0, EO1
VCOL, VCOH
AMIFC, FMIFC
IC
Table 3-1. Types of Pin Input/Output Circuits
I/O Circuit Type
I/O
2
Input
8
I/O
11-A
5
8
5
8
5
8
10
5
8
5
Recommended Connection of Unused Pins
Connect to GND or GNDPORT.
Set in general-purpose input port mode by software and
independently connect to VDD, VDDPORT, GND, or GNDPORT
via a resistor.
5-G
5
13-G
5
19
DTS-EO1
DTS-AMP
—
Output
Input
Set to low-level output by software and leave open.
Leave open.
Set to pin disabled status by software and leave open.
—
Connect directly to GND or GNDPORT.
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Data Sheet U12628EJ3V0DS00