CS8416-CSZ View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS8416-CSZ

192 kHz Digital Audio Interface Receiver

Cirrus Logic 

CS8416

each mode, every start-up option select pin (except for TX, which has an internal pull-down) MUST have an

external pull-up or pull-down resistor as there are no internal pull-up or pull-down resistors for these startup

conditions (set after reset).

Pin Name

SDOUT

RCBL

AUDIO

C

U

TX

96KHZ

NV/RERR

Pull Down to DGND Function

Hardware Mode

Serial Port Slave Mode

Serial Format Select 1 (SFSEL1)=0

Serial Format Select 0 (SFSEL0)=0

RMCK Frequency=256*Fs

Normal Phase Detector update rate.

Emphasis Audio Match Off

NVERR Selected

Pull Up to VL Function

Software Mode

Serial Port Master Mode

Serial Format Select 1 (SFSEL1)=1

Serial Format Select 0 (SFSEL0)=1

RMCK Frequency=128*Fs

Higher Phase Detector update rate.

Emphasis Audio Match On

RERR Selected

Table 4. Hardware Mode Start-Up Pin Conditions

15.3 Hardware Mode Equivalent Register Settings

Listed below are the equivalent values that the registers are set to in Hardware Mode.

Control0 Register (00h)

FSWCLK = 0

PDUR = Set by TX pin pull-up/down after reset.

TRUNC = 0

Control1 Register (01h)

SWCLK = Set to 1 if there a transition on OMCK after reset. Otherwise set to 0.

MUTSAO = 0

INT[1:0] = N/A.

HOLD[1:0] = 00

RMCKF = Set by U pin pull-up/down after reset.

CHS = 0

Control2 Register (02h)

DETCI = N/A

EMPH_CNTL[2] = set by 96KHZ pull-up/down after reset. See Figure 14 for the de-emphasis filter re-

sponse.

EMPH_CNTL[1:0] = 00

GPO0SEL[3:0] = N/A

Control3 Register (03h)

GPO1SEL[3:0] = N/A

GPO2SEL[3:0] = N/A

DS578F3

47

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