M30218 Datasheet, PDF (134/179 Pages) Mitsubishi Electric Semiconductor – M30218 Group

Programmable I/O Ports
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table UA-1. Example connection of unused pins
Pin name
Connection
Ports P3, P4, P7 to P10
Ports P0 to P2, P5, P6
Specify output mode, and leave these pins open;
or specify input mode, and connect to VSS via resistor (pull-down)
Leave these pins open
XOUT (Note 1), VEE
Open
AVCC
Connect to VCC (Note 2)
AVSS, VREF
Connect to VSS (Note 2)
CNVSS
Connect to VSS via resistor
Note 1: With external clock input to XIN pin.
Note 2: Connect a bypass capacitor.
Microcomputer
Port P3, P4, P7 to P10
(Input mode)
(Output mode)
Port P0 to P2, P5, P6
(Output mode)
XOUT
VEE
AVCC(Note)
CNVSS
AVSS(Note)
VREF(Note)
Open
Open
Open
Open _VCC
VSS
Note: Connect a bypass capacitor.
Figure UA-6. Example connection of unused pins
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