August 1993

13

Philips Semiconductors

Preliminary specification

Masking threshold processor for MPEG

layer 1 audio compression applications

SAA2521

Fig.9 Example of information transfer via SAA2521 interfaces.

MBC128

01

234

567

LTENA/C

LTCNT0(C)/1(C)

LTCLK(C)

LTDATA(C)

Fig.10 Extended settings (LTCNT1 and LTCNT0)

Refer to the SAA2520 description for the meaning of these bits as they pass SAA2521 unchanged.

MBC129

E0

E1

E2

E3

E4

E5

E6

E7

LTENA/C

LTCLK(C)

LTDATA(C)

LTCNT0(C)/1(C)