lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 53
lm49370rl
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
Datasheet
1.LM49370RL.pdf
(100 pages)
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Bits
3:0
6:4
12.36 PCM PORT CLOCK CONFIGURATION REGISTER
This register is used to control the configuration of audio data interfaces.
PCM_SYNC_MODE
PCM_CLOCK_
GEN_MODE
Field
This programs a clock divider that divides the clock defined by PCM_CLOCK_SOURCE reg
(0x1Ch). The divided clock is used to generate PCM_CLK in Master mode. (Note 32)
This programs a clock divider that divides PCM_CLK. The divided clock is used to generate
PCM_SYNC.
Value
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Valve
TABLE 36. PCM Clock (0x1Dh)
000
001
010
011
100
101
110
111
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
53
Description
Divide By
3.90625
7.8125
2.5
10
16
20
—
—
—
1
2
4
6
8
3
5
Divide By
128
16
25
32
64
—
—
8
32/125
25/125
16/125
Ratio
2/5
1/3
—
—
—
—
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