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參數(shù)資料
| 型號： | AM79C901AVC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP80 |
| 封裝： | PLASTIC, MO-136BAM, TQFP-80 |
| 文件頁數(shù)： | 33/90頁 |
| 文件大?。?/td> | 714K |
| 代理商： | AM79C901AVC |
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Am79C901A
33
P R E L I M I N A R Y
Figure 17.
AID Symbol Transmit Timing
Figure 18.
AID Symbol Receive Timing
The SYNC interval is followed by six AID symbols
(symbols 1 through 6). Transmit timing is shown in Fig-
ure 17; receive timing in Figure 18. Data is encoded in
the relative position of each pulse with respect to the
previous one. A pulse may occur at one, and only one,
of the four possible positions within an AID symbol
yielding two bits of data coded per AID symbol.
The decoded bits from the AID symbols 1 to 4 produce
eight bits of Access ID which is used to identify individ-
ual HomePNA stations and to detect collisions. The
MSB is encoded in AID Symbol 1 and is the leftmost bit
in Table 7.
Table 7.
Access ID Symbol Pulse Positions and
Encoding
AID Symbol 0
AID Symbol 1
AID Symbol 2
pulse 2
shown in position 1
pulse 0
pulse 1
TIC=129
and
TIC=0
TIC=129
and
TIC=0
SYNC_START
TIC=0
SYNC_END
TIC=126
AID_Position_0
TIC=66
AID_Position_1
TIC=86
AID_Position_2
TIC=106
AID_Position_3
TIC=126
Transmitter
22304B-19
AID Symbol 0
AID Symbol 1
AID Symbol 2
pulse 2
shown in position 1
pulse 0
pulse 1
TIC=129
and
TIC=0
TIC=129
and
TIC=0
SYNC_START
TIC=0
SYNC_END
TIC=126
AID_Position_0
TIC=66
AID_Position_1
TIC=86
AID_Position_2
TIC=106
AID_Position_3
TIC=126
Receiver
D slice threshold
END_RCV_BLANK
AID_GUARD_INTERVAL
Detected envelope
22304B-20
Pulse
Position
TICs from Beginning of AID
Symbol
Bit Encoding
1
66
00
2
86
01
3
106
10
4
126
11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C901AVCT | HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| AM79C901AVI | HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| AM79C901AVIT | HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| AM79C90 | CMOS Local Area Network Controller for Ethernet (C-LANCE) |
| AM79C90JC | CMOS Local Area Network Controller for Ethernet (C-LANCE) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C901AVC/w | 制造商:Advanced Micro Devices 功能描述:79C901AVC/W |
| AM79C901AVC\\W | 制造商:Advanced Micro Devices 功能描述: |
| AM79C901AVC\W | 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 1Mbps/10Mbps 80-Pin TQFP |
| AM79C901AVCT | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
| AM79C901AVI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:HomePHY Single-Chip 1/10 Mbps Home Networking PHY |
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