ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
810
of 928
Rev1.09
IS
D
9
410
0
S
ER
IE
S
T
E
C
HN
ICA
L
RE
F
E
RE
NCE
M
AN
U
AL
N+2
N+1
N
N+3
7
7
7
7
0
0
0
0
RIGHT+1
LEFT
RIGHT
LEFT+1
7
7
7
7
0
0
0
0
N
N+1
RIGHT
LEFT
0
15
0
15
0
15
0
15
Mono 8-bit data mode
Stereo 8-bit data mode, ORDER (I2S_CTL0[7]) = 0
Mono 16-bit data mode
Stereo 16-bit data mode, ORDER (I2S_CTL0[7]) = 0
N
LEFT
RIGHT
N
N+1
0
0
0
Mono 24-bit data mode, ORDER (I2S_CTL0[7]) = 0
Stereo 24-bit data mode, ORDER (I2S_CTL0[7]) = 0
23
23
23
LEFT+1
RIGHT
LEFT
RIGHT+1
7
7
7
7
0
0
0
0
Stereo 8-bit data mode, ORDER (I2S_CTL0[7]) = 1
LEFT
RIGHT
0
15
0
15
Stereo 16-bit data mode, ORDER (I2S_CTL0[7]) = 1
N
0
Mono 24-bit data mode, ORDER (I2S_CTL0[7]) = 1
23
LEFT
RIGHT
N
N+1
0
0
Stereo 24-bit data mode, ORDER (I2S_CTL0[7]) = 1
23
23
N
LEFT
RIGHT
N
N+1
0
31
31
31
0
0
Mono 32-bit data mode
Stereo 32-bit data mode
Redundant bits
Redundant bits
Redundant bits
Redundant bits
Redundant bits
Redundant bits
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.
