AM79C03 AMD [Advanced Micro Devices], AM79C03 Datasheet - Page 32

• Manufacturer Part Number: AM79C03
• Description: Dual Subscriber Line Audio Processing Circuit (DSLAC) Devices
• Manufacturer: AMD [Advanced Micro Devices]

19. Write Operating Functions
20. Read Operating Functions
32
(60h)
(61h)
Adaptive B Filter
A-law/µ-law
GR Filter
GX Filter
X Filter
R Filter
Z Filter
B Filter
* Power up default value.
Note:
Command
Input Data
Command
Input Data
The enable adaptive B filter command only is effective when used with the enable B filter
command.
ABF = 0*
PCD = 1
A/m = 0*
A/m = 1
EGR = 0*
EGR = 1
EGX = 0*
EGX = 1
EX = 0*
EX = 1
ER = 0*
ER = 1
EZ = 0*
EZ = 1
EB = 0*
EB = 1
Am79C02/03/031(A) Data Sheet
B filter Nonadaptive mode
B filter Adaptive mode
A-law coding
µ-law coding
GR filter disabled
GR filter enabled
GX filter disabled
GX filter enabled
X filter disabled
X filter enabled
R filter disabled
R filter enabled
Z filter disabled
Z filter enabled
B filter disabled
B filter enabled
ABF
ABF
D
D
0
0
7
7
A/
A/
D
D
1
1
6
µ
6
µ
EGR
EGR
D
D
1
1
5
5
EGX
EGX
D
D
0
0
4
4
EX
EX
D
D
0
0
3
3
ER
ER
D
D
0
0
2
2
EZ
EZ
D
D
0
0
1
1
EB
EB
D
D
0
1
0
0