BCM5208KPF Broadcom, BCM5208KPF Datasheet - Page 53

• Manufacturer Part Number: BCM5208KPF
• Manufacturer: Broadcom

Specifications of BCM5208KPF

• Number Of Receivers: 4
• Data Rate: 10/100Mbps
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3.14V
• Mounting: Surface Mount
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Lead Free Status / RoHS Status: Not Compliant

November 3, 1999
Table 39 and Figure 14 describe and illustrate 10BASE-T serial repeater mode receiver timing.
Document 5208-DS03-R¥¥¥¥¥
PARAMETER
RX+/- to CRS Assert
CRS Assert to RXDV Assert
CRS De-Assert after Receive Analog Ends
RXDV De-Assert after Receive Analog Ends
MDIO
MDC
RXDATA
CRS
RX +/-
RXDV
RCLK
RXC_DATA_HOLD
RXC_DATA_SETUP
End of MDC/MDIO Cycle
Figure 13: Management Interface Timing (with Preamble Suppression On)
Note: Must wait two MDC clock cycles between MDIO commands when
D1
Figure 14: 10BASE-T Serial Repeater Mode Receiver Timing
Table 39: 10BASE-T Serial Repeater Mode Receiver Timing
preamble suppression is activated (MII Register 1, Bit 6 set to “1”).
RX_CRS_BT
D0
RX_RXDV
IDLE
B r o a d c o m C o r p o r a t i o n
RX_CRS_BT
RX_RXDV
RX_NOT_CRS
RX_NOT_RXDV
Hi-Z (PHY Pull-UP)
SYMBOL
SKIP
Last Bit of Data
RX_NOT_RXDV
One Full Clock Pulse after RXDV Low
RX_NOT_CRS
SKIP
100
MIN
Start of MDC/MDIO Cycle
S
150
1800
400
400
TYP
T
250
1900
500
500
MAX
Low
n BCM5208
UNIT
ns
ns
ns
ns
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