am79c901a Advanced Micro Devices, am79c901a Datasheet - Page 74

• Manufacturer Part Number: am79c901a
• Description: Homephy Single-chip 1/10 Mbps Home Networking Phy
• Manufacturer: Advanced Micro Devices

AC CHARACTERISTICS (CONTINUED)
1 Mbps HomePNA Clock Timing (GPSI)
Note: During AID interval, RXCLK and TXCLK stop for up to 140 s.
74
Idle (excluding IPG time)
Preamble (first 64 bits of TX MAC frame)
Data (thoughtout the data phase)
IPG (96 bit times following CRS falling edge)
No.
35
36
37
35
36
37
35
36
37
35
36
37
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
TXCLK, RXCLK period
TXCLK, RXCLK pulse width HIGH
TXCLK, RXCLK pulse width LOW
TXCLK, RXCLK period
TXCLK, RXCLK pulse width HIGH
TXCLK, RXCLK pulse width LOW
TXCLK, RXCLK period
TXCLK, RXCLK pulse width HIGH
TXCLK, RXCLK pulse width LOW
TXCLK, RXCLK period
TXCLK, RXCLK pulse width HIGH
TXCLK, RXCLK pulse width LOW
RXCLK
TXCLK,
Figure 8. 1 Mbps HomePNA Clock Timing (GPSI)
Parameter Description
35
P R E L I M I N A R Y
Am79C901A
36
37
233.3 ns - 10 s
117.8 ns - 10 s
Clock Period
583.3
115.5
467.8
233.3
115.5
117.8
115.5
233.3
115.5
117.8
22304B-32
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns