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Table 1.12

I/O ports

Feature

Functional description

Programmable I/O ports

● I/O ports for the 144-pin LQFP

– I/O pins: 109

– Input pins: 1

– Pull-up resistors: 110

– N-ch open-drain outputs: 109

– 5-V tolerance: 21

● I/O ports for the 144-pin BGA

– I/O pins: 109

– Input pins: 1

– Pull-up resistors: 110

– N-ch open-drain outputs: 109

– 5-V tolerance: 21

● I/O ports for the 100-pin LQFP

– I/O pins: 75

– Input pins: 1

– Pull-up resistors: 76

– N-ch open-drain outputs: 75

– 5-V tolerance: 14

● I/O ports for the 64-pin LQFP

– I/O pins: 41

– Input pins: 1

– Pull-up resistors: 42

– N-ch open-drain outputs: 41

– 5-V tolerance: 9

● I/O ports for the 64-pin BGA

– I/O pins: 45

– Input pins: 1

– Pull-up resistors: 46

– N-ch open-drain outputs: 45

– 5-V tolerance: 9

RA4M3 Datasheet

1. Overview

R01DS0368EJ0150 Rev.1.50

Apr 25, 2025

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