SAA2520 Datasheet, PDF (16/36 Pages) NXP Semiconductors – Stereo filter and codec for MPEG layer 1 audio applications

Philips Semiconductors
Stereo filter and codec for MPEG layer 1
audio applications
Notes to Fig.13
after FRESET HIGH
t_D8
FS256, SWS, SCL change
to high impedance before SYNCDAI HIGH
t_D9
FS256, SWS, SCL remain HIGH
impedance after SYNCDAI HIGH
≥ 460 ns
≥ 140 ns
≥ 140 ns
Preliminary specification
SAA2520
SBWS
32 bits
SBCL
SBDA
bit :
SBEF
1
15 bits 1
0 00 0
0 12 3
MSB
1 1 11 1 1
0 1 23 4 5
LSB
byte 0
byte 1
1 11 1 22 2
6 78 9 01 2
MSB
byte 2
MEA649 - 2
Fig.14 Transferring MPEG data to and from the SAA2520.
August 1993
16