S/PDIF Receiver
The following section describes timing as it relates to the
S/PDIF receiver.
Internal Digital PLL Mode
In the internal digital phase-locked loop mode the internal PLL
(digital PLL) generates the 512 × FS clock.
Table 52. S/PDIF Receiver Internal Digital PLL Mode Timing
Parameter
Switching Characteristics
tDFSI
LRCLK Delay After Serial Clock
tHOFSI
LRCLK Hold After Serial Clock
tDDTI
Transmit Data Delay After Serial Clock
tHDTI
tSCLKIW1
Transmit Data Hold After Serial Clock
Transmit Serial Clock Width
1 Serial clock frequency is 64 × Frame Sync, where FS = the frequency of LRCLK.
ADSP-21467/ADSP-21469
Min
Max
Unit
5
ns
–2
ns
5
ns
–2
ns
8 × tPCLK – 2
ns
DRIVE EDGE
DAI_P20–1
(SCLK)
DAI_P20–1
(FS)
DAI_P20–1
(DATA CHANNEL
A/B)
tDFSI
tHOFSI
tDDTI
tHDTI
tSCLKIW
SAMPLE EDGE
Figure 39. S/PDIF Receiver Internal Digital PLL Mode Timing
Rev. B | Page 55 of 76 | March 2013