RA4L1 datasheet(6/125 Pages) RENESAS

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Table 1.12

Security

Feature

Functional description

Security function

● ARMv8-M TrustZone security

● Device lifecycle management

● Debug access level

● Key injection

● Secure pin multiplexing

Renesas Secure IP (RSIP-E11A)

● Symmetric algorithms: AES

● Asymmetric algorithms: ECC

● Hash value generation: SHA224, SHA256

● True random number generator

● 128-bit unique ID.

Table 1.13

I/O ports

Feature

Functional description

Programmable I/O ports

● I/O ports for the 100-pin LQFP, 100-pin BGA

– I/O pins: 82

– Input pins: 3

– Pull-up resistors: 82

– N-ch open-drain outputs: 75

– 5-V tolerance: 5

● I/O ports for the 72-pin WLCSP

– I/O pins: 53

– Input pins: 3

– Pull-up resistors: 53

– N-ch open-drain outputs: 46

– 5-V tolerance: 5

● I/O ports for the 64-pin LQFP

– I/O pins: 48

– Input pins: 3

– Pull-up resistors: 48

– N-ch open-drain outputs: 41

– 5-V tolerance: 5

● I/O ports for the 64-pin BGA

– I/O pins: 52

– Input pins: 3

– Pull-up resistors: 52

– N-ch open-drain outputs: 45

– 5-V tolerance: 5

● I/O ports for the 48-pin LQFP, 48-pin QFN

– I/O pins: 34

– Input pins: 3

– Pull-up resistors: 34

– N-ch open-drain outputs: 29

– 5-V tolerance: 5

RA4L1 Datasheet

1. Overview

R01DS0447EJ0131 Rev.1.31

May 26, 2026

Page 6 of 125

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