CSP1027 datasheet(27/64 Pages) AGERE

27 / 64 page

Lucent Technologies Inc.

Data Sheet

CSP1027 Voice Band Codec for

December 1999

Cellular Handset and Modem Applications

5 Register Information (continued)

5.2 Codec I/O Control 1 (cioc1) Register

Table 8. Codec I/O Control 1 (cioc1) Register

Bit

15—14

12—6

4—0

Field

Reg

ADJMOD

ADJ[6:0]

CDIV0

CDIV1

Field

Value

Description

Reg

Indicates control register 0.

ADJMOD

* Value upon reset.

Select retard mode for internal clock, ICLK0, adjustment.

Select advance mode for internal clock, ICLK0, adjustment.

ADJ

000 0000*

Internal clock, ICLK0, not adjusted.

000 0001

Internal clock, ICLK0, adjusted by one ICLK cycle for one ICLK0 cycle.

000 0010

Internal clock, ICLK0, adjusted by one ICLK cycle for two ICLK0 cycles.

111 1110

Internal clock, ICLK0, adjusted by one ICLK cycle for 126 ICLK0 cycles.

111 1111

Internal clock, ICLK0, adjusted by one ICLK cycle for 127 ICLK0 cycles.

CDIV0

Internal clock, ICLK0 = ICLK ÷ 1.

Internal clock, ICLK0 = ICLK ÷ 2.

CDIV1

0 0000

Output clock 1, CKO1, disabled.

0 0001

Output clock 1, CKO1 = ICLK0 ÷ 1.

0 0010

Output clock 1, CKO1 = ICLK0 ÷ 2.

1 0000*

Output clock 1, CKO1 = ICLK0 ÷ 16.

1 1110

Output clock 1, CKO1 = ICLK0 ÷ 30.

1 1111

Output clock 1, CKO1 = ICLK0 ÷ 31.

CSP1027 Datasheet(PDF) 27 Page - Agere Systems

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