Figure 6. spi timing – Cirrus Logic CS5364 User Manual

Page 18

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18

DS625F5

CS5364

SWITCHING SPECIFICATIONS - CONTROL PORT - SPI TIMING

Inputs: Logic 0 = DGND, Logic 1 = VLC, CDOUT C

L

= 30 pF

Notes:

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

2. For f

sck

<1 MHz

Figure 6. SPI Timing

Parameter

Symbol Min

Max

Units

CCLK Clock Frequency

f

sck

0

6.0

MHz

RST Rising Edge to CS Falling

t

srs

20

-

ns

CS Falling to CCLK Edge

t

css

20

CS High Time Between Transmissions

t

csh

1.0

s

CCLK Low Time

t

scl

66

ns

CCLK High Time

t

sch

66

CDIN to CCLK Rising Setup Time

t

dsu

40

CCLK Rising to DATA Hold Time

(Note 1)

t

dh

15

CCLK Falling to CDOUT Stable

t

pd

-

50

Rise Time of CDOUT

t

r1

25

Fall Time of CDOUT

t

f1

Rise Time of CCLK and CDIN

(Note 2)

t

r2

100

Fall Time of CCLK and CDIN

(Note 2)

t

f2

CS

CCLK

CDIN

CDOUT

RST

t

srs

t

scl

t

sch

t

css

t

r2

t

f2

t

csh

t

dsu

t

dh

t

pd

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