LM49370RL/NOPB National Semiconductor, LM49370RL/NOPB Datasheet - Page 49

• Manufacturer Part Number: LM49370RL/NOPB
• Description: IC AUDIO SUBSYSTEM 1.2W 49USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class Dr

Specifications of LM49370RL/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm; 52mW x 2 @ 16 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: 3D, Depop, I²C, I²S, Microphone, Mute, PCM, Shutdown, SPI, Standby, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 49-MicroSMDxt
• Dc: 07+
• For Use With: LM49370RLEVAL - BOARD EVALUATION LM49370RL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49370RLTR

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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