CSP1027 Datasheet, PDF (29/64 Pages) Agere Systems – CSP1027 Voice Band Codec for Cellular Handset and Modem Applications

Data Sheet
December 1999
CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
5 Register Information (continued)
5.4 Codec I/O Control 3 (cioc3) Register
Table 10. Codec I/O Control 3 (cioc3) Register
Bit
Field
15—14
Reg
13
TSTPOR
12
HPFE
11
DITHER
10—6
CDIF2
5—0
CDIF1
Field
Reg
TSTPOR
HPFE
DITHER
CDIF2
CDIF1
* Value upon reset.
Value
11
0*
1
0*
1
0*
1
0 0000*
0 0000
0 0000
W WWWW
00 0000*
10 0110
11 0110
WW WWWW
Description
Indicates control register 0.
Normal operation.
Test on-chip power-on reset pulse generator.
Enable high-pass filter in A/D and D/A.
Disable high-pass filter in A/D and D/A.
Enable dither on D/A converter.
Disable dither on D/A converter.
Sampling rate, CKS = ICLK0 ÷ (CDIV3 x 125).
Sampling rate, CKS = ICLK0 ÷ 256. (Note: CDIV3 must be set to 2.)
Sampling rate, CKS = ICLK0 ÷ 1458. (Note: CDIV3 must be set to 12.)
Sampling rate, CKS = ICLK0 ÷ (125 x M + S x N). See Section 4.5 on page 16.
Sampling rate, CKS = ICLK0 ÷ (CDIV3 x 125).
Sampling rate, CKS = ICLK0 ÷ 256. (Note: CDIV3 must be set to 2.)
Sampling rate, CKS = ICLK0 ÷ 1458. (Note: CDIV3 must be set to 12.)
Sampling rate, CKS = ICLK0 ÷ (125 x M + S x N). See Section 4.5 on page 16.
Lucent Technologies Inc.
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