ADSP-21469 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'ADSP-21469' PDF : 76 Pages View PDF
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 40. Serial Ports—TDV (Transmit Data Valid)
Parameter
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
tDFDVIN
TDV Deassertion Delay from Drive Edge of Internal Clock
1 Referenced to drive edge.
DRIVE EDGE
DAI_P20–1
(SCLK, EXT)
ADSP-21467/ADSP-21469
Min
Max
3
8
–0.1
2
DRIVE EDGE
Unit
ns
ns
ns
ns
TDVx
DAI_P20-1
tDRDVEN
DRIVE EDGE
DAI_P20–1
(SCLK, INT)
tDFDVEN
DRIVE EDGE
TDVx
DAI_P20-1
tDRDVIN
tDFDVIN
Figure 28. Serial Ports—Transmit Data Valid Internal and External Clock
Rev. B | Page 45 of 76 | March 2013
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