2001 Mar 05
41
Philips Semiconductors
Product specication
Car radio Digital Signal Processor (DSP)
SAA7706H
I2S-bus timing (see Fig.23)
tr
rise time
Tcy = 325 ns
0.15Tcy
ns
tf
fall time
Tcy = 325 ns
0.15Tcy
ns
Tcy
bit clock cycle time
325
ns
tBCK(H)
bit clock time HIGH
Tcy = 325 ns
0.35Tcy
ns
tBCK(L)
bit clock time LOW
Tcy = 325 ns
0.35Tcy
ns
tsu(D)
data set-up time
Tcy = 325 ns
0.2Tcy
ns
th(D)
data hold time
Tcy = 325 ns
0.2Tcy
ns
td(D)
data delay time
Tcy = 325 ns
0.15Tcy
ns
tsu(WS)
word select set-up time
Tcy = 325 ns
0.2Tcy
ns
th(WS)
word select hold time
Tcy = 325 ns
0.2Tcy
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
handbook, full pagewidth
WS
BCK
DATA IN
RIGHT
LSB
MSB
LEFT
tsu(WS)
th(WS)
tsu(D)
th(D)
tBCK(H)
td(D)
tBCK(L)
Tcy
tr
tf
MGM129
DATA OUT
LSB
MSB
Fig.23 Input timing digital audio data inputs.