T8531A/T8532 Agere Systems, Inc., T8531A/T8532 Datasheet - Page 43
T8531A/T8532
Manufacturer Part Number
T8531A/T8532
Description
Multichannel Programmable Codec Chip Set
Manufacturer
Agere Systems, Inc.
Datasheet
1.T8531AT8532.pdf
(50 pages)
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May 2001
Agere Systems Inc.
Software Interface
Table 41. DSP Engine ROM Memory Map
0x1DBC—0x1FFF Not used
0x1070—0x146F Sine-wave lookup table
Address Range
0x1CAD
0x1B3C
0x1BD0
0x1BD3
0x1CA6
0x1CD0
0x0FFF
0x14C8
0x16AA
0x16FE
0x1C30
0x1C37
0x1D00
0x1D60
0x102B
0x105A
0x160E
0x1000
0x1470
0x1604
0x1650
Checksum for ROM 0x0800 : 0x0FFD
Call progress tone generation start
Call progress tone generation during operation
Call progress tone generator initialization
Caller ID generation start
Caller ID generation during operation, TX path
Caller ID generation during operation, RX path
Caller ID generator initialization
DTMF detector start
DTMF detector during operation subroutine
DTMF detector during operation subroutine
DTMF detector initialization
Extended receive path active routine
Extended receive path active without reading from the system interface
Extended transmit path inactive/loopback routine
Extended transmit path inactive routine
Extended receive path inactive with data loopback
Extended receive path inactive routine
Tone processing initialization
Alternate peak detection
dc measurement routine
(continued)
Memory Contents
Codec Chip Set
43
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