RZ/G1M
1. Overview
R01UH0626EJ0100 Rev.1.00
1-15
Sep 30,2016
Item Description
Digital volume and
mute function
(DVC)
Volume control function including digital volume, volume ramp, and
zero-crossing mute
The digital volume function is specified by a 24-bit fixed-point value
within the range from 0 to 8 times (mute, or -120 to 18 dB)
The volume ramp function can be used for soft mute, fade-in, fade-
out, or desired volume adjustment
The volume ramp period can be changed within the sampling range
from the 0th to 23rd power of 2
The zero-crossing mute function silences the sound at the zero-
crossing point of the audio data
Serial sound interface unit
(SSIU)
Overall
specification
Includes ten SSI modules functioning as interfaces with external
devices.
—
Supports short and long formats
—
Supports TDM format (six modules of ten modules can be used
for this function)
Up to four independent stereo sound sources in a TDM format can
be distributed to each course. Up to four independent stereo sound
sources can be combined output in TDM format.
Serial sound
interface (SSI)
Operating mode: non-compressed mode ( Not support compressed
mode)
Supports versatile serial audio formats (I2S/left justified/right
justified)
Supports master/slave functions
Programmable word clock, bit clock generation functions
Multichannel format functions (up to four channels)
Supports 8-/16-/18-/20-/22-/24-/32-bit data formats
Supports TDM
mode
Supports WS continue mode
The DMA controller or interrupts control the transfer of data to and
from the SSI module.
Supports short and long frames for monaural data (valid data
lengths are 8 and 16 bits)
Up to nine independent clock signals can be input.
Audio clock generator
(ADG)
Selection or division of audio clock signals