DP83849CVS/NOPB National Semiconductor, DP83849CVS/NOPB Datasheet - Page 16

• 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

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1.8 10 Mb/s and 100 Mb/s PMD Interface
1.9 Special Connections
1.10 Power Supply Pins
TPTDM_A
TPTDP_A
TPTDM_B
TPTDP_B
TPRDM_A
TPRDP_A
TPRDM_B
TPRDP_B
RBIAS
PFBOUT
PFBIN1
PFBIN2
PFBIN3
PFBIN4
IOVDD1, IOVDD2, IOVDD3,
IOVDD4
IOGND1, IOGND2,
IOGND3, IOGND4
COREGND1, COREGND2
CDGND1, CDGND2
ANA33VDD
ANAGND1, ANAGND2,
ANAGND3, ANAGND4
Signal Name
Signal Name
Signal Name
Type
Type
I/O
I/O
O
I
I
11,51,65,78
10,52,64,77
22,29,33,40
25,37
Pin #
6,55
30
Pin #
Pin #
26
27
36
35
23
24
39
38
32
31
28
34
54
7
I/O 3.3V Supply
I/O Ground
Core Ground
CD Ground
Analog 3.3V Supply
Analog Ground
10BASE-T or 100BASE-TX Transmit Data
In 10BASE-T or 100BASE-TX: Differential common driver trans-
mit output (PMD Output Pair). These differential outputs are auto-
matically configured to either 10BASE-T or 100BASE-TX
signaling.
In Auto-MDIX mode of operation, this pair can be used as the Re-
ceive Input pair.
These pins require 3.3V bias for operation.
10BASE-T or 100BASE-TX Receive Data
In 10BASE-T or 100BASE-TX: Differential receive input (PMD In-
put Pair). These differential inputs are automatically configured to
accept either 100BASE-TX or 10BASE-T signaling.
In Auto-MDIX mode of operation, this pair can be used as the
Transmit Output pair.
These pins require 3.3V bias for operation.
Bias Resistor Connection: A 4.87 k
nected from RBIAS to GND.
Power Feedback Output: Parallel caps, 10 F and 0.1 F, should
be placed close to the PFBOUT. Connect this pin to PFBIN1 (pin
13), PFBIN2 (pin 27), PFBIN3 (pin35), PFBIN4 (pin 49). See
Section 5.4 for proper placement pin.
Power Feedback Input: These pins are fed with power from
PFBOUT pin. A small capacitor of 0.1 F should be connected
close to each pin.
Note: Do not supply power to these pins other than from
PFBOUT.
16
Description
Description
Description
resistor should be con-