LM49352 datasheet(37/106 Pages) TI

部件名	LM49352

功能描述	Boomer Mono Class D Audio Codec Subsystem with Ground Referenced Headphone Amplifiers, Earpiece Driver, and Audio DSP

PDF	106 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

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LM49352

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SNAS467E – MARCH 2009 – REVISED MARCH 2013

Table 10. PLL_M (0x04h)

Bits

Field

Description

6:0

PLL_M

This programs the PLL's M divider to divide from 1 to 64.

PLL_M

PLL Input Divider Value

000000

000001

000010

1.5

000011

000100

2.5

000101

—

1111101

1111110

63.5

1111111

Table 11. PLL_N (0x05h)

Bits

Field

Description

7:0

PLL_N

This programs the PLL N divider to divide from 1 to 250.

PLL_N

Feedback Divider Value

00000000 to 00001010

00001011

00001100

00001101

00001110

00001111

—

11111000

248

11111001

249

11111010 to 11111111

250

Table 12. PLL_N_MOD (0x06h)

Bits

Field

Description

4:0

PLL_N_MOD

This programs the sigma-delta modulator in the PLL.

PLL_N_MOD

Fractional Part of N

00000

00001

1/32

00010

2/32

00011

3/32

00100

4/32

00101

5/32

—

11101

20/32

11110

30/32

11111

31/32

PLL_P1[8]

This sets the MSB of the 1st P Divider on the PLL which is part of a standard half-cycle divider control.

PLL_P2[8]

This sets the MSB of the 2nd P Divider on PLL which is part of a standard half-cycle divider control.

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