DP83849CVS/NOPB National Semiconductor, DP83849CVS/NOPB Datasheet - Page 28

• Manufacturer Part Number: DP83849CVS/NOPB
• Description: IC TXRX ETHERNET PHY DUAL 80TQFP
• Manufacturer: National Semiconductor
• Type: Transceiverr

Specifications of DP83849CVS/NOPB

• Number Of Drivers/receivers: 2/2
• Protocol: Ethernet
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 80-TQFP, 80-VQFP
• Data Rate: 100Mbps
• Supply Voltage Range: 3V To 3.6V
• Logic Case Style: TQFP
• No. Of Pins: 80
• Operating Temperature Range: 0°C To +70°C
• Msl: MSL 3 - 168 Hours
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Data Rate Max: 10Mbps
• For Use With: DP83849CVS-EVK - BOARD EVALUATION DP83849CVS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *DP83849CVS; *DP83849CVS/NOPB; DP83849CVS

www.national.com
3.5.2 TX MII Port Mapping
TX MII Port Mapping controls and configurations are
shown in the following tables:
3.5.3 Common Flexible MII Port Configurations
Broadcast TX MII Port A
Broadcast TX MII Port B
Channel A RBR[10:9]
Mirror RX Channel A
Mirror RX Channel B
Full Port Swap
Disable Port A
Disable Port B
Extender
Normal
Mode
00
01
10
11
RBR[10:9]
00
01
10
11
Table 10. Common Flexible MII Port Configurations
Table 9. TX MII Port Mapping Configurations
Channel A
Port A TX Source
RBR[12:9]
RX Channel B
0000
0101
1110
1111
xx00
xx01
10xx
11xx
Table 8. TX MII Port Mapping Controls
xxxx
MII Port A
MII Port B
Disabled
28
Channel B
RBR[12:9]
0000
0101
1110
1111
xx01
xx00
11xx
10xx
xxxx
Channel B RBR[10:9]
TX Channel Source
Opposite RX Port
Opposite Port
00
01
10
11
Normal Port
Disabled
MII port A assigned to Channel A, MII
MII port A assigned to Channel B, MII
MII RX disabled, Channel A transmits
Channel A RX traffic appears on both
Channel B RX traffic appears on both
from Channel B RX data, Channel B
Both Channels transmit from TX MII
Both Channels transmit from TX MII
transmits from Channel A RX data
Port B assigned to Channel B
Port B assigned to Channel A
MII Port A is disabled
MII Port B is disabled
Description
Port A
Port B
Ports.
Ports.
Port B TX Source
RX Channel A
MII Port B
MII Port A
Disabled