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ML7029

Multifunction ADPCM CODEC

Oki Electric Industry 

OKI Semiconductor

FEDL7029-03

ML7029

APPLICATION INFORMATION

Burst Mode Clock

This device can be operated by a burst mode clock (see below).

BCLK

1 2 3 4 5 67 8

SYNC

1/fsample µs

SYNC Signal Pulse Width

: MIN. 1-bit clock

: MAX. (Number of clocks in burst mode)–1

Figure 5 Example of Burst Mode Clock

Relationship between SYNC and BLCK

Transmit Side

SYNC

1/fsample µs

BCLK

PCMSI

1 234 5 67 8

Ts

(1)

Receive Side

SYNC

0.83/fsample µs

PCM Data Input

1µs (Range of Data Slip Occurrence)

A

Figure 6

1/fsample µs

BCLK

1 234 5 67 8

Tr

IR

(2)

ADPCM Data Input

0.52/fsample µs

1 µs (Range of Data Slip Occurrence)

B

Figure 7

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