ADSP-21486KSWZ-2AB datasheet(40/68 Pages) AD

40 / 68 page

Rev. B

Page 40 of 68

March 2013

ADSP-21483/ADSP-21486/ADSP-21487/ADSP-21488/ADSP-21489

The SPORTx_TDV_O output signal (routing unit) becomes

active in SPORT multichannel mode. During transmit slots

(enabled with active channel selection registers) the

SPORTx_TDV_O is asserted for communication with external

devices.

Table 38. Serial Ports—TDV (Transmit Data Valid)

Parameter

Min

Max

Unit

Switching Characteristics1

tDRDVEN

TDV Assertion Delay from Drive Edge of External Clock

tDFDVEN

TDV Deassertion Delay from Drive Edge of External Clock

tDRDVIN

TDV Assertion Delay from Drive Edge of Internal Clock

–1

tDFDVIN

TDV Deassertion Delay from Drive Edge of Internal Clock

1 Referenced to drive edge.

Figure 24. Serial Ports—TDM Internal and External Clock

DRIVE EDGE

DAI_P20–1

(SCLK, EXT)

tDRDVEN

tDFDVEN

DRIVE EDGE

DAI_P20–1

(SCLK, INT)

tDRDVIN

tDFDVIN

TDVx

DAI_P20-1

TDVx

DAI_P20-1

ADSP-21486KSWZ-2AB 数据表(PDF) 40 Page - Analog Devices

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