www.ti.com

SERIAL INTERFACE TIMING

Standard Functionality, SCKP (Pin 45) = High (Sample Data on Rising Edge of SCLK),

MSB

SLOAD

SCLK

SDIN

16 Bits

LSB

Standard Functionality, SCKP (Pin 45) = Low (Sample Data on Falling Edge of SCLK),

MSB

SLOAD

SCLK

SDIN

16 Bits

LSB

VSP1221

SLES012A – SEPTEMBER 2001 – REVISED JULY 2004

Operation = Write

Figure 3. Serial Interface Timing for Write, SCKP = High

Operation = Write

Figure 4. Serial Interface Timing for Write, SCKP = Low

SERIAL INTERFACE TIMING FOR WRITE, SCKP = LOW

PARAMETERS

MIN

TYP

MAX

UNIT

SCLK period

25

ns

SCLK high or low width

12.5

ns

SLOAD to SCLK setup time

5

ns

SCLK to SLOAD hold time

2

ns

Data setup time

5

ns

Data hold time

2

ns

7