W681512
SYMBOL
1/TFS
DESCRIPTION
MIN
---
TYP
MAX UNIT
FST, FSR Frequency
8
---
kHz
sec
TFSL
FST / FSR Minimum LOW Width 1
BCLKT, BCLKR Frequency
BCLKT, BCLKR HIGH Pulse Width
BCLKT, BCLKR LOW Pulse Width
TBCK
64
1/TBCK
TBCKH
TBCKL
---
---
---
---
4096 kHz
50
---
---
---
ns
ns
ns
50
TFTRH
BCLKT 0 Falling Edge to FST Rising
Edge Hold Time
20
TFTRS
TFTFH
TFDTD
TBDTD
THID
FST Rising Edge to BCLKT 1 Falling
edge Setup Time
80
50
---
---
10
---
---
---
---
---
---
---
60
60
60
ns
ns
ns
ns
ns
BCLKT 2 Falling Edge to FST Falling
Edge Hold Time
FST Rising Edge to Valid PCMT Delay
Time
BCLKT Rising Edge to Valid PCMT
Delay Time
Delay Time from the Later of FST
Falling Edge, or
BCLKT 8 Falling Edge to PCMT Output
High Impedance
TFRRH
TFRRS
TFRFH
TDRS
BCLKR 0 Falling Edge to FSR Rising
Edge Hold Time
20
80
50
0
---
---
---
---
---
---
---
---
---
---
ns
ns
ns
ns
ns
FSR Rising Edge to BCLKR 1 Falling
edge Setup Time
BCLKR 2 Falling Edge to FSR Falling
Edge Hold Time
Valid PCMR to BCLKR Falling Edge
Setup Time
TDRH
PCMR Hold Time from BCLKR Falling
Edge
50
Table 8.1 Long Frame Sync PCM Timing Parameters
1 TFSL must be at least ≥ TBCK
- 14 -
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