Analog Devices ADSP-2181, ADSP-2183 manual Parameter Min Max Unit Serial Ports

Models: ADSP-2183 ADSP-2181

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ADSP-2181/ADSP-2183

ADSP-2181/ADSP-2183

Parameter

 

Min

Max

Unit

 

 

 

 

 

Serial Ports

 

 

 

 

Timing Requirements:

 

 

 

tSCK

SCLK Period

50

 

ns

tSCS

DR/TFS/RFS Setup before SCLK Low

4

 

ns

tSCH

DR/TFS/RFS Hold after SCLK Low

7

 

ns

tSCP

SCLKIN Width

20

 

ns

Switching Characteristics:

 

 

 

tCC

CLKOUT High to SCLKOUT

0.25tCK

0.25tCK + 10

ns

tSCDE

SCLK High to DT Enable

0

 

ns

tSCDV

SCLK High to DT Valid

 

15

ns

tRH

TFS/RFSOUT Hold after SCLK High

0

 

ns

tRD

TFS/RFSOUT Delay from SCLK High

 

15

ns

tSCDH

DT Hold after SCLK High

0

 

ns

tTDE

TFS (Alt) to DT Enable

0

 

ns

tTDV

TFS (Alt) to DT Valid

 

14

ns

tSCDD

SCLK High to DT Disable

 

15

ns

tRDV

RFS (Multichannel, Frame Delay Zero) to DT Valid

 

15

ns

CLKOUT

SCLK

DR

TFSIN

RFSIN

RFSOUT

TFSOUT

DT

TFS

ALTERNATE

FRAME MODE

RFS

MULTICHANNEL MODE, FRAME DELAY 0 (MFD = 0)

tCC

tRD

tRH

tSCDV

tSCDE

tTDE

tTDV

tRDV

tCC

tSCS tSCH

tSCDH

tSCK

tSCP

tSCP

tSCDD

Figure 27. Serial Ports

REV. 0

–25–

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Image 25
Analog Devices ADSP-2181, ADSP-2183 manual Parameter Min Max Unit Serial Ports