User's Manual
BT860
Datasheet
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19
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8.4.1. I
2
S Timing
Timing values specified in Table 17 are relative to high and low threshold levels.
Table 17: Timing for I2S Transmitters and Receivers
Transmitter Receiver Notes
Lower Limit Upper Limit Lower Limit Upper Limit
Min Max Min Max Min Max Min Max
Clock Period T
T
tr
- - - T
r
- - -
Master Mode: Clock generated by transmitter or receiver
HIGH t
HC
0.35T
tr
- - - 0.35T
tr
- - -
LOW t
LC
0.35T
tr
- - - 0.35T
tr
- - -
Master Mode: Clock generated by transmitter or receiver
HIGH t
HC
- 0.35T
tr
- - - 0.35T
tr
- -
LOW t
LC
- 0.35T
tr
- - - 0.35T
tr
- -
Rise time t
RC
- - 0.15T
tr
- - - - -
Transmitter
Delay t
dtr
- - - 0.8T - - - -
Hold time t
htr
0 - - - - - - -
Receiver
Setup time t
sr
- - - - - 0.2T
r
- -
Hold time t
hr
- - - - - 0 - -
The time periods specified in Figure 10 and Figure 11 are defined by the transmitter speed. The receiver
specifications must match transmitter performance.
Figure 10: I
2
S Transmitter timing