Figure 6.17-17 Fifo Contents For Various 2-Channel Audio Modes - Nuvoton ISD94124BYI Technical Reference Manual

Mono 8-bit data mode
N+3
7
Stereo 8-bit data mode, ORDER (I2S_CTL0[7]) = 0
LEFT+1
7
Stereo 8-bit data mode, ORDER (I2S_CTL0[7]) = 1
RIGHT+1
7
Mono 16-bit data mode
15
Stereo 16-bit data mode, ORDER (I2S_CTL0[7]) = 0
15
Stereo 16-bit data mode, ORDER (I2S_CTL0[7]) = 1
15
Mono 24-bit data mode, ORDER (I2S_CTL0[7]) = 0
Redundant bits
Mono 24-bit data mode, ORDER (I2S_CTL0[7]) = 1
23
Stereo 24-bit data mode, ORDER (I2S_CTL0[7]) = 0
Redundant bits
Redundant bits
Stereo 24-bit data mode, ORDER (I2S_CTL0[7]) = 1
23
23
Mono 32-bit data mode
31
Stereo 32-bit data mode
31
31

Figure 6.17-17 FIFO Contents for Various 2-channel Audio Modes

In 4-channel TDM PCM data format, the bit-width of audio data in a channel block can be 16, 24,
or 32 bits. The memory arrangements of audio data for various settings are shown in Figure
6.17-18.
Sep 9, 2019
ISD94100 Series Technical Reference Manual
N+2
0 7 0 7
RIGHT+1
0 7 0 7
LEFT+1
0 7 0 7
N+1
0 15
LEFT
0 15
RIGHT
0 15
23
N
23
23
LEFT
RIGHT
N
LEFT
RIGHT
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N+1 N
0 7
LEFT RIGHT
0 7
RIGHT LEFT
0 7
N
RIGHT
LEFT
N
Redundant bits
0
LEFT
RIGHT
Redundant bits
0
Redundant bits
0
0
0
0
0
0
0
0
N
0
N+1
0
N
N+1
0
N
0
N+1
0
Rev1.09