DP83849CVS/NOPB National Semiconductor, DP83849CVS/NOPB Datasheet - Page 27

• 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

3.5.1 RX MII Port Mapping
Note that Channel A is the master of MII Port A, and Chan-
nel B is the master of MII Port B. This means that in order
for Channel B to control MII Port A, Channel A must be
configured to either control MII Port B or be Disabled; the
reverse is also true.
Channel A RBR[12:11]
RBR[12:11]
00
00
00
00
01
01
01
01
10
10
10
10
11
11
11
11
00
01
10
11
Channel B RBR[12:11]
Table 7. RX MII Port Mapping Configurations
Table 6. RX MII Port Mapping Controls
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
27
RX MII Port Mapping controls and configurations are
shown in the following tables:
Desired RX Channel Destination
RX MII Port A Source
Channel A
Channel A
Channel A
Channel A
Channel A
Channel B
Channel B
Channel A
Channel B
Channel A
Channel A
Channel B
Channel B
Disabled
Disabled
Disabled
Opposite Port
Normal Port
Both Ports
Disabled
RX MII Port B Source
Channel B
Channel B
Channel B
Channel B
Channel A
Channel A
Channel A
Channel B
Channel A
Channel B
Channel A
Channel B
Channel B
Disabled
Disabled
Disabled
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