DSP56852PB View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

DSP56852PB

16-bit Digital Signal Processor

Motorola => Freescale 

Freescale Semiconductor, Inc.

Synchronous Serial Interface (SSI) Timing

STCK output

STFS (bl) output

STFS (wl) output

STXD

SRCK output

SRFS (bl) output

SRFS (wl) output

SRXD

tSCKW

tSCKH

tSCKL

tTFSBHM

tTFSBLM

tTFSWHM

tTXVM

tTXEM

First Bit

tTXNVM

tTFSWLM

Last Bit

tTXHIM

tRFSBHM

tRFBLM

tRFSWHM

tTSM

tSM

tHM

tTHM

Figure 24. Master Mode Timing Diagram

tRFSWLM

Table 15. SSI Slave Mode1 Switching Characteristics

Operating Conditions: VSS = VSSIO = VSSA = 0V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz

Parameter

Symbol Min Typ Max Units

STCK frequency

STCK period3

STCK high time

STCK low time

Output clock rise/fall time

Delay from STCK high to STFS (bl) high - Slave5

Delay from STCK high to STFS (wl) high - Slave5

fs

tSCKW

66.7

tSCKH

33.44

tSCKL

33.44

4

tTFSBHS

-1

tTFSWHS

-1

152

MHz

ns

ns

ns

ns

29

ns

29

ns

DSP56852 Technical Data

31

Preliminary

For More Information On This Product,

Go to: www.freescale.com

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