lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 49

• Manufacturer Part Number: lm49370rl
• Description: Audio Sub-system With An Ultra Low Emi, Spread Spectrum, Class D Loudspeaker Amplifier, A Dual-mode Stereo Headphone Amplifier, And A Dedicated Pcm Interface For Bluetooth Transceivers
• Manufacturer: National Semiconductor Corporation

Bits
6:5
0
1
2
3
4
7
12.32 I2S PORT MODE CONFIGURATION REGISTER
This register is used to control the audio data interfaces.
I2S_STEREO_REVERSE If set, the left and right channels are reversed.
I2S_WS_GEN_MODE
I2S_WORD_ORDER
I2S_OUT_ENB
I2S_IN_ENB
I2S_WS_MS
I2S_MODE
Field
If set, the I
gated.
If set, the I
This programs the format of the I
If set, I2S_WS generation is enabled and is Master. If cleared, I2S_WS acts as slave.
This programs the I
This bit alters the RX phasing of left and right channels. If this bit is cleared: right then left. If this bit
is set: left then right.
00
01
10
11
0
1
0
1
2
2
2
2
2
2
S output bus is enabled. If cleared, the I
S input is enabled. If this bit cleared, the I
I2S Audio Port CLOCK/SYNC Options
TABLE 33. I2S Mode (0x1Ah)
2
S word length.
49
2
S interface.
Description
2
S output will be tristate and all RX clocks will be
2
S input is ignored and all TX clocks gated.
Left Justified
Bits/Word
Operation
Reversed
Definition
Normal
Normal
16
25
32
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201917r4
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