CS8416-CS datasheet(40/48 Pages) CIRRUS

40 / 48 page

CS8416

DS578PP2

11.1

Hardware Mode Function Selection

Hardware Mode and several options for that mode are selected by pulling CS8416 pins up or down imme-

diately after RST is released.

1) SDOUT – Hardware/Software Mode select

2) RCBL – Serial Port slave/master select

3) NV/RERR – NVERR/RERR select

4) AUDIO – Serial Port Format select[1] (0/1)

5) C – Serial Port Format select[0] (0/1)

6) U – RMCK Frequency Select (256/128)

7) 96KHZ – Emphasis Audio Match Off/On

For these pins, the first option is selected by using a pulldown. The second option is selected via a pullup.

11.2

Hardware Mode Settings (Defaults & Controls)

Control Register 0

TRUNC = 0

FS[1:0] = 00

Control Register 1

SWCLK = 1

MUTSAO = 0

INT = N/A, there is no interrupt pin in hardware mode

HOLD[1:0] = 00

RMCKF = Set by U pin pull-up/down at startup

CHS = 0

Control Register 2

DETCI = N/A

EMPH_CNTL[2] = set by 96KHZ pull-up/down at startup

EMPH_CNTL[1:0] = 00

GPO0SEL[3:0] = N/A

Control Register 3

GPO1SEL[3:0] = N/A

GPO2SEL[3:0] = N/A

Control Register 4

RUN = 1

RXD = 0

RX_SEL[2] = 0

RX_SEL[1:0] = RX_SEL[1:0] pins

CS8416-CS Datasheet(PDF) 40 Page - Cirrus Logic