CS42L56 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS42L56

Ultralow Power, Stereo Codec with Class H Headphone Amp

Cirrus Logic 

SWITCHING CHARACTERISTICS - SPI CONTROL PORT

Inputs: Logic 0 = GND = AGND, Logic 1 = VL, SDA CL = 30 pF.

Parameter

Symbol

Min

CCLK Clock Frequency

RESET Rising Edge to CS Falling

CS Falling to CCLK Edge

CS High Time Between Transmissions

CCLK Low Time

CCLK High Time

CDIN to CCLK Rising Setup Time

CCLK Rising to DATA Hold Time

Rise Time of CCLK and CDIN

Fall Time of CCLK and CDIN

fsck

0

tsrs

20

tcss

20

tcsh

1.0

tscl

66

tsch

66

tdsu

40

(Note 24)

tdh

15

(Note 25)

tr2

-

(Note 25)

tf2

-

Notes:

24. Data must be held for sufficient time to bridge the transition time of CCLK.

25. For fsck <1 MHz.

RESET

tsrs

CS42L56

Max

6.0

-

-

-

-

-

-

-

100

100

Units

MHz

ns

ns

s

ns

ns

ns

ns

ns

ns

CS

tcss

tsch

tscl

tcsh

tr2

CCLK

tf2

tdsu

tdh

CDIN

Figure 11. Control Port Timing - SPI Format

24

DS851F2

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