Cirrus-logic CS485xx Manual do Utilizador descarregar pdf (Página 15)

15 DS734F5

5.13 Switching Characteristics—Digital Audio Slave Input Port

Figure 5-6. Serial Control Port–I

C Master Mode Timing

5.13 Switching Characteristics—Digital Audio Slave Input Port

Figure 5-7. Digital Audio Input (DAI) Port Timing Diagram

5.14 Switching Characteristics—DSD Slave Input Port

Figure 5-8. Direct Stream Digital–Serial Audio Input Timing

Parameter Symbol Min Max Unit

DAI_SCLK period T

daiclkp

40 — ns

DAI_SCLK duty cycle — 45 55 %

Setup time DAI_DATAn t

daidsu

10 — ns

Hold time DAI_DATAn t

daidh

5—ns

Parameter Symbol Min Typ Max Unit

DSD_SCLK Pulse Width Low t

sclkl

78 — — ns

DSD_SCLK Pulse Width High t

sclkh

78 — — ns

DSD_SCLK Frequency (64x Oversampled) — 1.024 — 3.2 MHz

DSD_A/B valid to DSD_SCLK rising setup time t

sdlrs

20 — — ns

DSD_SCLK rising to DSD_A or DSD_B hold time t

sdh

20 — — ns

SCP_CLK

SCP_SDA

01 67801 7

iicckl

iicckh

iicsu

iich

A6 A0 R/W ACK

LSB

ACK

MSB

iicstp

iicdov

iicbft

iicstscl

iicckcmd

iicck

iicckcmd

iicf

iicr

DAI_SCLK

DAI_DATAn

daidh

daidsu

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23

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