RZSLASHG3E datasheet(13/112 Pages) RENESAS

13 / 112 page

RZ/G3E Group

1. Overview

R01DS0477EJ0115 Rev.1.15

Page 13 of 112

Nov 28, 2025

1.1.14

Audio Interface

Item

Description

Sampling Rate Converter Unit

(SCU)

● 10 channels

● Sampling Rate : Max.192 kHz

● Asynchronous sampling rate conversion is available

● Supports resolutions up to 24 bits

● High-sound-quality type (THD + N*1 is −132 dB) and general-sound-quality type (THD + N*1 is −96

dB)

● Automatically generates antialiasing filter coefficients

● Four modules support one, two, four, six, or eight channels, and six modules support one or two

channels.

Note 1. Total harmonic distortion plus noise.

Audio Clock Generator Unit

(ADG)

● Supplies clock signals to the SSIU, SCU and SPDIF module

Direct Access Memory

Controller for Audio

(ADMAC)

● Allows transfer of L/R data via I2S

● 29 channels

● Controls data transfer between the audio modules (SSIU, SCU)

Serial Sound Interface Unit

(SSIU)

● 10 channels for half-duplex communication with transmit or receive function

● 5 channels for full-duplex communication

(full-duplex pairing: ch. 0 & 9, ch.1 & 2, ch. 3 & 4, ch. 5 & 6, ch. 7 & 8)

● Support for I2S, monaural, and TDM audio formats

● Support for master and slave functions

● Generation of programmable word clocks and bit clocks

● Multi-channel formats

● Support for 8, 16, 18, 20, 22, 24, and 32-bit data formats

● Support for WS (word select) signal continuation with which the WS signal is not stopped

● Support for ADMAC

SPDIF Interface

(SPDIF)

● 3 channels

● Support of IEC60958 standard (stereo and consumer use modes only)

● Sampling Rate: 32 kHz, 44.1 kHz, and 48 kHz

● Audio word sizes of 16 to 24 bits per sample

● Biphase mark encoding

● Double buffered data

● Parity encoded serial data

● Supports DMAC

Pulse Density Modulation

(PDM)

● 6 channels

● Direction: input

● Sampling Rate: 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, or 48 kHz

● Capable of filtering 1-bit digital input data and converting them into 20-bit or 16-bit digital data

● supports stereo microphone (L/R sampling by rising/falling clock edge)

● supports sound activity detector to wake up CPU from WFI

● Supports DMAC

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