AM79C03 AMD [Advanced Micro Devices], AM79C03 Datasheet - Page 28

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

6. MCLK Selection
7. Write Transmit Time Slot and PCM Highway Selection
8. Read Transmit Time Slot and PCM Highway Selection
9. Write Receive Time Slot and PCM Highway Selection
10. Read Receive Time Slot and PCM Highway Selection
28
(10h/12h)
(40h)
(41h)
(42h)
(43h)
MCLK may be selected to operate from a 2.048 MHz or 4.096 MHz external clock. MCLK
selection on either channel affects both channels.
The PCM Highway B is not available on the Am79C031(A). The Transmit section of both
channels must not be set to the same time slot on the same output port simultaneously.
The PCM Highway B is not available on the Am79C031(A).
Command
Command
Output Data
Command
Output Data
Command
Output Data
Command
Output Data
A = 0:
A = 1:
PCM = 0:
PCM = 1:
TS:
PCM = 0:
PCM = 1:
TS:
Am79C02/03/031(A) Data Sheet
2.048 MHz
4.096 MHz
Highway A
Highway B
Time slot number 0 to 127
Highway A
Highway B
Time slot number 0 to 127
PCM
PCM
PCM
PCM
D
D
D
D
D
0
0
0
0
0
7
7
7
7
7
TS
TS
TS
TS
D
D
D
D
D
0
1
1
1
1
6
6
6
6
6
TS
TS
TS
TS
D
D
D
D
D
0
0
0
0
0
5
5
5
5
5
TS
TS
TS
TS
D
D
D
D
D
1
0
0
0
0
4
4
4
4
4
D
D
TS
D
TS
D
TS
D
TS
0
0
0
0
0
3
3
3
3
3
TS
TS
TS
TS
D
D
D
D
D
0
0
0
0
0
2
2
2
2
2
TS
TS
TS
TS
D
D
D
D
D
A
0
0
1
1
1
1
1
1
1
D
D
TS
D
TS
D
TS
D
TS
0
0
1
0
1
0
0
0
0
0