UPD9611 Datasheet, PDF (15/28 Pages) NEC – FOUR-CHANNEL PCM CODEC

µPD9611
(2) AC condition
Item
Symbol
Condition
Data clock frequency
fCLK
(= 1/tCY) ±50 ppm
Data clock pulse width
tCLK
Frame synchronous clock frequency fs
±50 ppm
High level frame synchronous
tWHS
pulse width
Low level frame synchronous
tWLS
pulse width
Clock rise time
tR
Clock fall time
tF
Float in synchronous timing
tCSD1
tCSD2
Frame synchronous clock and
data clock high level width
tWHSC
DR setup time
tDSR
Note
DR hold time
tDHR
Note
SPDATA clock frequency
fSPCLK
SPDATA setup time
tGSR
Note
SPDATA hold time
tGHR
Note
Float in SP synchronous timing
tFSD
MIN. TYP. MAX. Unit
2048
kHz
200
ns
8.0
kHz
200
ns
8
µs
50
ns
50
ns
100 ns
40
ns
100
ns
65
ns
120
ns
2048 kHz
100
ns
100
ns
40
ns
Note Set the rise time and fall time of the digital input waveform and clock signal used for measuring timings
to 5 ns.
15