參數(shù)資料
型號(hào)： AM79Q062JC
廠商： ADVANCED MICRO DEVICES INC
元件分類： 編解碼器
英文描述： A/MU-LAW, PCM CODEC, PQCC32
封裝： PLASTIC, LCC-32
文件頁數(shù)： 68/95頁
文件大小： 1399K
代理商： AM79Q062JC
70
Am79Q06/061/062/063 Data Sheet
Channel Identification Command (CIC)
When the monitor channel address byte is 80H or 90H, a command of 00H is interpreted by the QSLAC device as a
two byte Channel Identification Command (CIC).
The format for this command is shown next.:
B = 0
Channel 1 is the destination
B = 1
Channel 2 is the destination
Immediately after the last bit of the CIC command is received, the QSLAC device responds with the 2 byte
channel ID code:
B = 0
Channel 1 is the source
B = 1
Channel 2 is the source
CONF
Configuration value is always 0000 for the QSLAC device
DT
Device Type value is always 1,0: Analog Transceiver. Other types are defined as:
General Structure of Other Commands
When the QSLAC device has completed transmission of the channel ID information, it sends an EOM (MX = 1 for two
successive frames) on the upstream C/I channel. The QSLAC device also expects an EOM to be received on the
downstream C/I channel before any further message sequences are received.
When the monitor channel address byte is 81H, 89H, 91H, or 99H, the command byte is interpreted by the QSLAC
device as either a Transfer Operation (TOP), Status Operation (SOP), or a Coefficient Operation (COP).
A = 0; Channel 1 is the destination
A = 1; Channel 2 is the destination
B = 0; Data destination determined by A
B = 1; Both channels 1 and 2 receive the data
Commands are sent to the QSLAC device to:
s Read the status of the system without changing its operation (Transfer Operation (TOP) command)
s Write/read the QSLAC operating state (Status Operation (SOP) command)
s Write/read filter coefficients (Coefficient Operation (COP) command).
Bit
7
6
5
4
3
2
1
0
Address Byte
1
0
B
0
Command Byte
0
Bit
7
6
5
4
3
2
1
0
Byte 1
1
0
B
CONF
Byte 2
DT
0
1
0
Bit 7
Bit 6
Description
0
U Transceiver
0
1
S Transceiver
1
0
Analog Transceiver
11
Future
Bit
7
6
5
4
3
2
1
0
Address Byte
1
0
A
B
0
1
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