am79q02 ETC-unknow, am79q02 Datasheet - Page 40

• Manufacturer Part Number: am79q02
• Description: Quad Subscriber Line Audio-processing Circuit Qslac Devices
• Manufacturer: ETC-unknow

4.
5.
6, 7. Write/Read Transmit Time Slot and PCM Highway Selection
8, 9. Write/Read Receive Time Slot and PCM Highway Selection
40
No Operation
Activate Channel (Operational Mode)
(06h)
(0Eh)
(40/41h)
R/W = 0: Write
R/W = 1: Read
(42/43h)
R/W = 0: Write
R/W = 1: Read
This command places the device in the Active mode and sets CSTAT = 1. No valid PCM data
is transmitted until after the second FS pulse is received following the execution of the Activate
command.
Transmit PCM Highway
Transmit Time Slot
PCM Highway B is not available on the Am79Q021/031 QSLAC devices.
* Power Up and Hardware Reset (
respectively.
Receive PCM Highway
Receive Time Slot
PCM Highway B is not available on the Am79Q021 and the Am79Q031 QSLAC devices.
* Power Up and Hardware Reset (
respectively.
Command
Command
Command
I/O Data
Command
I/O Data
TPCM = 0*
TPCM = 1
TTS = 0–127
RPCM = 0*
RPCM = 1
RTS = 0–127
Am79Q02/021/031 Data Sheet
Transmit on Highway A (see TAB in Commands 10, 11)
Transmit on Highway B (see TAB in Commands 10, 11)
Time Slot Number (TTS0 is LSB, TTS6 is MSB)
Receive on Highway A
Receive on Highway B
Time Slot Number (RTS0 is LSB, RTS6 is MSB)
TPCM
RPCM
D
D
0
0
D
D
0
0
7
7
7
7
RST
RST
) Value = 00h, 01h, 02h, 03h for Channels 1, 2, 3, and 4,
) Value = 00h, 01h, 02h, 03h for Channels 1, 2, 3, and 4,
TTS6
RTS6
D
D
D
D
0
0
1
1
6
6
6
6
RTS5
TTS5
D
D
D
D
0
0
0
0
5
5
5
5
RTS4
TTS4
D
D
D
D
0
0
0
0
4
4
4
4
RTS3
TTS3
D
D
D
D
0
1
0
0
3
3
3
3
TTS2
RTS2
D
D
D
D
1
1
0
0
2
2
2
2
MPI Command
MPI Command
MPI Command
MPI Command
TTS1
RTS1
D
D
D
D
1
1
0
1
1
1
1
1
RTS0
TTS0
R/W
R/W
D
D
D
D
0
0
0
0
0
0