
CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
Data Sheet
January 2002
Agere Systems Inc.
28
5 Register Information
(continued)
5.3 Codec I/O Control 2 (cioc2) Register
Table 9. Codec I/O Control 2 (cioc2) Register
Bit
15—14
Field
Reg
13
12
11—6
CDIF0
5—0
CDIV3
Reserved
CDIFS
Field
Reg
Reserved
CDIFS
Value
10
0*
0*
Description
Indicates control register 0.
Reserved, always write 0.
Sampling rate, CK
S
= ICLK0 ÷ (CDIV3 x 125).
Sampling rate, CK
S
= ICLK0 ÷ 256. (
Note:
CDIV3 must be set to 2.)
Sampling rate, CK
S
= ICLK0 ÷ 1458. (
Note:
CDIV3 must be set to 12.)
Sampling rate, CK
S
= ICLK0 ÷ (125 x M + S x N). See Section 4.5 on page 16.
Sampling rate, CK
S
= ICLK0 ÷ (CDIV3 x 125).
Sampling rate, CK
S
= ICLK0 ÷ 256. (
Note:
CDIV3 must be set to 2.)
Sampling rate, CK
S
= ICLK0 ÷ 1458. (
Note:
CDIV3 must be set to 12.)
Sampling rate, CK
S
= ICLK0 ÷ (125 x M + S x N). See Section 4.5 on page 16.
Oversampling clock, CK
OS
= ICLK0 ÷ 1.
Oversampling clock, CK
OS
= ICLK0 ÷ 2.
.
.
.
Oversampling clock, CK
OS
= ICLK0 ÷ 63.
Oversampling clock, CK
OS
= ICLK0 ÷ 64.
Sampling rate, CK
S
= ICLK0 ÷ (125 x M + S x N). See Section 4.5 on page 16.
* Value upon reset.
1
W
CDIF0
00 0000*
01 0101
00 0011
WW WWWW
00 0001
00 0010
.
.
.
11 1111
00 0000*
WW WWWW
CDIV3