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109059790

Quad Programmable Codec

Agere -> LSI Corporation 

T8535B/T8536B Quad Programmable Codec

Preliminary Data Sheet

September 2001

Functional Description (continued)

The Control Interface (continued)

Write Command

A write command is used to write to the memory addresses. Figures 8—11 illustrate normal or byte-by-byte opera-

tion with continuous or gapped DCLKs. For gapped DCLK operation, transitions, not frequency, are critical (as long

as the transitions do not exceed the maximum DCLK frequencies).

CS

DCLK

DI

COMMAND

COMMAND FRAME

START ADDRESS

LENGTH

DATA *

01

701

701

701

7

01

701

701

701

7

* Allow a minimum of 244 ns before the next command frame.

Note: Data field length of 1 shown.

Figure 8. Write Operation, Normal Mode (Continuous DCLK)

0078B

CS

DCLK

DI

COMMAND

COMMAND FRAME

START ADDRESS

LENGTH

DATA *

01

701

701

701

7

01

701

701

701

7

* Allow a minimum of 244 ns before the next command frame.

Note: Data field length of 1 shown.

Figure 9. Write Operation, Normal Mode (Gapped DCLK)

0078C

16

Agere Systems Inc.

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