beautypg.com

Switching characteristics (continued), Figure 2. ssc mode - read timing, cs remaining low, Cs5566 – Cirrus Logic CS5566 User Manual

Page 7: Switching characteristics

background image

CS5566

DS806PP2

7

5/4/09

SWITCHING CHARACTERISTICS

(CONTINUED)

T

A

= -40 to +85 °C; V1+ = V2+ = +2.5 V, ±5%; V1- = V2- = -2.5 V, ±5%;

VL - VLR = 3.3 V, ±5%, 2.5 V, ±5%, or 1.8 V, ±5%
Input levels: Logic 0 = 0V Low; Logic 1 = VD+ = High; CL = 15 pF.

11.

SDO and SCLK will be high impedance when CS is high. In some systems it may require a pull-down resistor.

12.

SCLK = MCLK/2.

Parameter

Symbol Min

Typ

Max

Unit

Serial Port Timing in SSC Mode (SMODE = VL)

RDY falling to MSB stable

t

1

-

-2

-

MCLKs

Data hold time after SCLK rising

t

2

-

10

-

ns

Serial Clock (Out)

Pulse Width (low)

(Note 11, 12)

Pulse Width (high)

t

3

t

4

100
100

-
-

-
-

ns
ns

RDY rising after last SCLK rising

t

5

-

8

-

MCLKs

MCLK

RDY

SCLK(o)

SDO

MSB

MSB1

LSB

LSB+1

CS

t

1

t

2

t

3

t

4

t

5

Figure 2. SSC Mode - Read Timing, CS remaining low (Not to Scale)