saa2520 NXP Semiconductors, saa2520 Datasheet - Page 15

• Manufacturer Part Number: saa2520
• Description: Stereo Filter And Codec For Mpeg Layer 1 Audio Applications
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes to Fig.13
August 1993
t
t
t
t
t
t
t
t
t
DO
SH
D1
D2
D3
D4
D5
D6
D7
Stereo filter and codec for MPEG layer 1
audio applications
FRESET HIGH to SYNCDAI HIGH
SYNCDAI HIGH time
SYNCDAI LOW to FRESET LOW
FDIR hold to FRESET HIGH
FRESET HIGH to FDIR valid
SDA change to high impedance
after FRESET HIGH
SDA remains high impedance
after FRESET LOW
FDAF, FDAC change to high impedance
after FRESET HIGH
FDAF, FDAC remain high impedance
FRESET
SYNCDAI
FDIR
SDA
FDAF
FDAC


 
t d2
t d4
t d6
t d3
t d0
HIGH Z
t d7
HIGH Z
HIGH Z
Fig.13 Mode switch timing.
SWS
FS256
SCL
t sH
FDAF
FDAC
15
t d8
HIGH Z
300 ns
1280 ns
790 ns
20 ns
20 ns
0 ns
170 ns
0 ns
170 ns
20 ns
HIGH Z
t d1
t d9
HIGH Z
SWS
FS256
SCL
MEA646 - 1
t d5
Preliminary specification
SAA2520
SDA