AM79C901AJCT AMD [Advanced Micro Devices], AM79C901AJCT Datasheet - Page 81

• Manufacturer Part Number: AM79C901AJCT
• Description: HomePHY Single-Chip 1/10 Mbps Home Networking PHY
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS (CONTINUED)
1 Mbps HomePNA Clock Timing (MII)
Note: During AID interval, RX_CLK and TX_CLK stop for up to 140 s.
Idle (excluding IPG time)
Preamble (first 64 bits of TX MAC frame)
Data (throughout the data phase)
IPG (96 bit times following CRS falling edge)
No.
74
75
76
74
75
76
74
75
76
74
75
76
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
PWH
PWH
PWH
PWH
PER
PWL
PER
PWL
PER
PWL
PER
PWL
TX_CLK, RX_CLK period
TX_CLK, RX_CLK pulse width HIGH
TX_CLK, RX_CLK pulse width LOW
TX_CLK, RX_CLK period
TX_CLK, RX_CLK pulse width HIGH
TX_CLK, RX_CLK pulse width LOW
TX_CLK, RX_CLK period
TX_CLK, RX_CLK pulse width HIGH
TX_CLK, RX_CLK pulse width LOW
TX_CLK, RX_CLK period
TX_CLK, RX_CLK pulse width HIGH
TX_CLK, RX_CLK pulse width LOW
RX_CLK
TX_CLK,
Figure 15. 1 Mbps HomePNA Clock Timing (MII)
Parameter Description
P R E L I M I N A R Y
74
Am79C901A
75
76
933 ns - 40 s
466 ns - 40 s
467 ns - 40 s
Clock Period
2333.34
933.33
933.33
1165
1168
466
467
466
467
22304B-39
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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