CS4297 Datasheet, PDF (8/46 Pages) Cirrus Logic – CrystalClear SoundFusion Audio Codec 97

CS4297
CrystalClear™ SoundFusion™ Audio Codec ’97
SERIAL PORT TIMING (Continued)
Misc. Timing Parameters
End of Slot 2 to BIT_CLK, SDATA_IN low (PR4)
T_{s2_pdown}
-
16.24 16.36 µs
SYNC pulse width (PR4)
T_{sync_pr4}
1.0
-
-
µs
SYNC inactive (PR4) to BIT_CLK start-up delay
T_{sync2clk 162.8}
244
-
ns
Setup to trailing edge of RESET# (test modes)
(Note 4) ^Tsetup2rst
15
-
-
ns
Rising edge of RESET# to Hi-Z delay
(Note 4) ^Toff
-
-
25
ns
BIT_CLK
RESET#
Vdd
SYNC
BIT_CLK
T_orise
SYNC
T_irise
BIT_CLK
T_{rst_low}
T_vdd2rst#
T_rst2clk
T_rst2sync
Power Up Timing
T_{clk_high} T_{clk_low}
T_{clk_period}
T_ifall
T_{sync_high} ^Tifall
T_{sync_period}
Clocks
T_{sync_low}
SYNC
T_sync2crd
CODEC_READY
Codec Ready from Startup or Fault Condition
8
DS242F5