lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 20

• 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

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Bits
1:0
7:2
12.2 CLOCKS CONFIGURATION REGISTER
This register is used to control the clocks throughout the chip.
DAC_CLK
R_DIV
Field
This selects the clock to be used by the audio DAC system.
This programs the R divider.
DAC_CLK
13 to 61
R_DIV
00
00
10
11
10
11
12
62
63
TABLE 3. CLOCKS (0x01h)
0
1
2
3
4
5
6
7
8
9
2
2
2
2
20
Description
DAC Input Source
PLL_OUTPUT
PCM_CLK_IN
I2S_CLK_IN
Divide Value
Bypass
Bypass
7 to 31
MCLK
31.5
1.5
2.5
3.5
4.5
5.5
6.5
32
2
3
4
5
6