ADSP-2186L1111 Просмотр технического описания (PDF) - Analog Devices

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ADSP-2186L1111

DSP Microcomputer

Analog Devices 

TIMING PARAMETERS

Parameter

Serial Ports

Timing Requirements:

tSCK

SCLK Period

tSCS

DR/TFS/RFS Setup before SCLK Low

tSCH

DR/TFS/RFS Hold after SCLK Low

tSCP

SCLKIN Width

Switching Characteristics:

tCC

tSCDE

tSCDV

tRH

tRD

tSCDH

tTDE

tTDV

tSCDD

tRDV

CLKOUT High to SCLKOUT

SCLK High to DT Enable

SCLK High to DT Valid

TFS/RFSOUT Hold after SCLK High

TFS/RFSOUT Delay from SCLK High

DT Hold after SCLK High

TFS (Alt) to DT Enable

TFS (Alt) to DT Valid

SCLK High to DT Disable

RFS (Multichannel, Frame Delay Zero) to DT Valid

ADSP-2186L

Min

50

4

8

20

0.25 tCK

0

0

0

0

Max

0.25 tCK + 10

15

15

14

15

15

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

CLKOUT

SCLK

DR

TFSIN

RFSIN

RFSOUT

TFSOUT

DT

TFSOUT

ALTERNATE

FRAME MODE

RFSOUT

MULTICHANNEL MODE,

FRAME DELAY 0

(MFD = 0)

TFSIN

ALTERNATE

FRAME MODE

RFSIN

MULTICHANNEL MODE,

FRAME DELAY 0

(MFD = 0)

tCC

tCC

tSCS tSCH

tSCK

tSCP

tSCP

tRD

tRH

tSCDE

tSCDV

tTDE

tTDV

tRDV

tTDE

tTDV

tRDV

tSCDH

tSCDD

Figure 16. Serial Ports

REV. B

–21–

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