T8531A/T8532 Agere Systems, Inc., T8531A/T8532 Datasheet - Page 34

• Manufacturer Part Number: T8531A/T8532
• Description: Multichannel Programmable Codec Chip Set
• Manufacturer: Agere Systems, Inc.

Codec Chip Set
Software Interface
Table 18. DSP Engine RAM Memory Map (continued)
1. This address can address ROM code.
2. For time slots 1—15, the address shown is the first address. Refer to time slot 0 for range information.
3. For channels 1—15, the address shown is the first address. Refer to channel 0 for range information.
4. Per-board refers to a function that is common to all 16 channels in a single chip set.
34
0x057D—0x05EE
0x05FD—0x05FF
0x056F—0x057C
0x05EF—0x05F3
0x05F4—0x05FC
0x0535—0x053E
0x0554—0x055E
0x0564—0x056D
0x0600—0x06FF
0x0700—0x071C
0x071D—0x0724
0x0758—0x07EF
0x07F7—0x07FF
0x0800—0x0FFF
0x053F—0x0552
0x055F—0x0560
0x0725—0x0754
Address Range
0x0755
0x0756
0x0757
0x04B5
0x04C5
0x04D5
0x04E5
0x056E
0x04F5
0x0505
0x0515
0x0525
0x0553
0x0561
0x0562
0x0563
0x07F0
0x07F2
0x07F4
0x07F5
0x07F6
1
1
1
Channel 8 ac filter coefficients
Channel 9 ac filter coefficients
Channel 10 ac filter coefficients
Channel 11 ac filter coefficients
Channel 12 ac filter coefficients
Channel 13 ac filter coefficients
Channel 14 ac filter coefficients
Channel 15 ac filter coefficients
Receive (equalizer) filter coefficients
Transmit (equalizer) filter coefficients
Transmit gain coefficients for filter compensation
Extended receive (equalizer) filter coefficients
Unused
Default Table 1 receive path relative gain
Default Table 1 receive path absolute gain
Default Table 1 transmit path absolute gain
Default Table 1 balance filter coefficients
Default Table 1 transmit path relative gain
Default Table 2 coefficient set
Temporary storage for self-test routines
Call progress tone generation control words
Caller ID control words
Tone processing data storage
Tone processing time-slot tables
Tone processing data storage
Dial tone filter coefficients
Tone processing data storage
Receive active routine filter address
Receive inactive routine address
Transmit inactive routine address
Unused
Result of ROM checksum test
Result of RAM checksum test
Result of TX path self-test
Result of RX path self-test
ROM code version number
Unused
Caller ID and DTMF data storage
(continued)
Default Per-Board
Self-Test Flags and Tone Processing
Memory Contents
ac Per-Channel Coefficients (See page 17.) (continued)
ac Per-Board
4
4
Coefficient Tables
Coefficients
Write by Microprocessor Interface
As shown for channel 0
As shown for channel 0
As shown for channel 0
As shown for channel 0
As shown for channel 0
As shown for channel 0
As shown for channel 0
As shown for channel 0
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
Y
Y
Agere Systems Inc.
May 2001