參數(shù)資料
型號: HOME
英文描述: Home PHY Single-Chip 1/10Mbps Home Networking PHY? - (PDF)
中文描述: 首頁PHY的單芯片1/10Mbps家庭網(wǎng)絡物理層? - (PDF格式)
文件頁數(shù): 81/90頁
文件大?。?/td> 743K
代理商: HOME
Am79C901A
81
P R E L I M I N A R Y
AC CHARACTERISTICS (CONTINUED)
1 Mbps HomePNA Clock Timing (MII)
Note:
During AID interval, RX_CLK and TX_CLK stop for up to 140
μ
s.
Figure 15.
1 Mbps HomePNA Clock Timing (MII)
No.
Symbol
Parameter Description
Clock Period
Unit
Idle (excluding IPG time)
74
t
PER
TX_CLK, RX_CLK period
2333.34
ns
75
t
PWH
TX_CLK, RX_CLK pulse width HIGH
1165
ns
76
t
PWL
TX_CLK, RX_CLK pulse width LOW
1168
ns
Preamble (first 64 bits of TX MAC frame)
74
t
PER
TX_CLK, RX_CLK period
933.33
ns
75
t
PWH
TX_CLK, RX_CLK pulse width HIGH
466
ns
76
t
PWL
TX_CLK, RX_CLK pulse width LOW
467
ns
Data (throughout the data phase)
74
t
PER
TX_CLK, RX_CLK period
933 ns - 40
μ
s
75
t
PWH
TX_CLK, RX_CLK pulse width HIGH
466 ns - 40
μ
s
76
t
PWL
TX_CLK, RX_CLK pulse width LOW
467 ns - 40
μ
s
IPG (96 bit times following CRS falling edge)
74
t
PER
TX_CLK, RX_CLK period
933.33
ns
75
t
PWH
TX_CLK, RX_CLK pulse width HIGH
466
ns
76
t
PWL
TX_CLK, RX_CLK pulse width LOW
467
ns
TX_CLK,
RX_CLK
74
76
75
22304B-39
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