STA538B datasheet(47/59 Pages) STMICROELECTRONICS

部件名	STA538B

功能描述	2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX

PDF	59 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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47 / 59 page

STA538

Registers

47/59

PLLCFG2

PLL configuration register 2

Address:

0x16

Type:

R/W

Buffer:

Reset:

0x00

Description:

PLLCFG3

PLL configuration register 3

Address:

0x17

Type:

R/W

Buffer:

Reset:

0x00

Description:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

FRAC_INPUT[7:0]

7:0 FRAC_INPUT[7:0]: 16 bits are used to set the fractional part of PLL multiplication factor:

0000 0000: default

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

STRB

STRB_BYPASS

NDIV[5:0]

7 STRB: asynchronous strobe input to the fractional controller:

0: default

6 STRB_BYPASS: standby bypass:

0: STRB signal is not bypassed (default)

1: STRB signal is bypassed

5:0 NDIV[5:0]: PLL multiplication factor (integral part) named as loop division factor:

0000 XX: LDF = NA

0001 00: LDF = NA

0001 01: LDF = 5

...

1101 11: LDF = 55

111X XX: LDF = NA

0000 00: default

STA538B 数据表(PDF) 47 Page - STMicroelectronics

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