CS5345-CQZ(2004) Ver la hoja de datos (PDF) - Cirrus Logic

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CS5345-CQZ
(Rev.:2004)

105 dB, 24-Bit, 192 kHz Stereo Audio ADC

Cirrus Logic 

CS5345

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT

(Inputs: Logic 0 = DGND, Logic 1 = VLC, CL = 30 pF)

Parameter

Symbol Min Typ Max

CCLK Clock Frequency

RESET Rising Edge to CS Falling.

CS High Time Between Transmissions

CS Falling to CCLK Edge

CCLK Low Time

CCLK High Time

CDIN to CCLK Rising Setup Time

CCLK Rising to DATA Hold Time

CCLK Falling to CDOUT Stable

Rise Time of CDOUT

Fall Time of CDOUT

Rise Time of CCLK and CDIN

Fall Time of CCLK and CDIN

fsck

0

-

6.0

tsrs

500

-

ns

tcsh

1.0

-

-

tcss

20

-

-

tscl

66

-

-

tsch

66

-

-

tdsu

40

-

-

(Note 17)

tdh

15

-

-

tpd

-

-

50

tr1

-

-

25

tf1

-

-

25

(Note 18)

tr2

-

-

100

(Note 18)

tf2

-

-

100

Notes: 17. Data must be held for sufficient time to bridge the transition time of CCLK.

18. For fsck <1 MHz.

Units

MHz

µs

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

RST

t srs

CS

t css

CCLK

t r2

CDIN

CDOUT

t scl t sch

t f2

t dsu

t dh

t pd

Figure 6. Control Port Timing - SPI Format

t csh

19

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