T8531A/T8532 Agere Systems, Inc., T8531A/T8532 Datasheet - Page 35

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

May 2001
Agere Systems Inc.
Software Interface
Table 19. T8531A Time-Slot Assignment Memory Map
All registers can be written by the microprocessor interface.
Table 20A. Bit Map for T8531A Time-Slot Assignment Registers at 0x1400—0x140F
Table 20B. Bit Map for CTZ Disable and Null Channel
Notes:
X = Don’t care.
Bits 4 and 5 default to 1 upon reset.
Not used
Bit 5
15—6
X
X
0
1
Address Range
0x140A
0x140B
0x140C
0x140D
0x140E
0x140F
0x1400
0x1401
0x1402
0x1403
0x1404
0x1405
0x1406
0x1407
0x1408
0x1409
Bit 4
CTZ disable
X
X
0
1
5
(continued)
Null channel
Disables null pointer
4
Nulls channel
Disables CTZ
Enables CTZ
Time slot 0 channel assignment
Time slot 1 channel assignment
Time slot 2 channel assignment
Time slot 3 channel assignment
Time slot 4 channel assignment
Time slot 5 channel assignment
Time slot 6 channel assignment
Time slot 7 channel assignment
Time slot 8 channel assignment
Time slot 9 channel assignment
Time slot 10 channel assignment
Time slot 11 channel assignment
Time slot 12 channel assignment
Time slot 13 channel assignment
Time slot 14 channel assignment
Time slot 15 channel assignment
Bit Number and Function
Function
3
Memory Contents
Binary-coded channel number 0—15
2
1
Codec Chip Set
0
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