Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 321)

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101

W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 321 - Revision B2

The ACTL_IISCON is the IIS basic operation control register.

BITS DESCRIPTIONS

[31:20] Reserved -

[19:16] PRS[3:0]

IIS frequency pre-scaler selection bits. (FPLL is the input PLL

frequency, MCLK is the output main clock)

PSR[3:0]=0000, MCLK=FPLL/1

PSR[3:0]=0001, MCLK=FPLL/2

PSR[3:0]=0010, MCLK=FPLL/3

PSR[3:0]=0011, MCLK=FPLL/4

PSR[3:0]=0100, MCLK=FPLL/5

PSR[3:0]=0101, MCLK=FPLL/6

PSR[3:0]=0110, MCLK=FPLL/7

PSR[3:0]=0111, MCLK=FPLL/8

PSR[3:0]=1000, reserved

PSR[3:0]=1001, MCLK=FPLL/10

PSR[3:0]=1010, reserved

PSR[3:0]=1011, MCLK=FPLL/12

PSR[3:0]=1100, reserved

PSR[3:0]=1101, MCLK=FPLL/14

PSR[3:0]=1110, reserved

PSR[3:0]=1111, MCLK=FPLL/16

(when the division factor is 3/5/7, the duty cycle of MCLK is not

50%, the high duration is 0.5*FPLL)

The PSR[3:0] bits are read/write

31 30 29 28 27 26 25 24

Reserved

23 22 21 20 19 18 17 16

Reserved PRS[3:0]

15 14 13 12 11 10 9 8

Reserved

7 6 5 4 3 2 1 0

BCLK_SEL[1:0] FS_SEL MCLK_SEL FORMAT Reserved

1 2 ... 316 317 318 319 320 321 322 323 324 325 326 ... 551 552

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