DP83950BVQB National Semiconductor, DP83950BVQB Datasheet - Page 64

• Manufacturer Part Number: DP83950BVQB
• Description: IC CTRLR RIC REPEATER 160-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83950BVQB

• Controller Type: Ethernet Repeater Interface Controller
• Interface: IEEE 802.3
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 380mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-MQFP, 160-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83950BVQB

Bit
D0
D1
D2
D3
D4
D5
D6
D7
8 0 RIC Registers
Interrupt and Management Configuration Register (Page 0H Address 16H)
This register powers up with all bits set to one and must be initialized by a processor write cycle before any events will generate
interrupts
Note 1 (RTI pin goes active)
Note 2 (ELI pin goes active)
IFC
D7
R W
R W
R W
R W
R W
R W
R W
R W
R W
IHC
D6
MIFCON
Symbol
IPART
ICOL
IREC
IHC
IFF
ILC
IFC
ILC
D5
MANAGEMENT INTERFACE CONFIGURATION
0 All Packets repeated are transmitted over the Management bus
1 Packets repeated by the RIC which do not have a Start of Frame Delimiters are not transmitted
over the Management bus
INTERRUPT ON PARTITION
0 Interrupts will be generated
1 No interrupts are generated by this condition
INTERRUPT ON COLLISION
0 Interrupts will be generated
applications or contains a port which experiences a receive collision or is the first port to suffer a
transmit collision in a packet in Multi-RIC applications
1 No interrupts are generated by this condition
INTERRUPT ON RECEIVE
0 Interrupts will be generated
1 No interrupts are generated by this condition
INTERRUPT ON FLAG FOUND
0 Interrupts will be generated
1 No interrupts are generated by this condition
INTERRUPT ON LOW COUNT
0 Interrupt generated
counts
1 No effect
INTERRUPT ON HIGH COUNT
0 Interrupt generated
counts
1 No effect
INTERRUPT ON FULL COUNTER
0 Interrupt generated
1 No effect
IFF
D4
(Continued)
IREC
D3
ICOL
D2
(2)
(2)
(2)
when one or more of the Event Counters holds a value less than 256
when one or more of the Event Counters holds a value in excess of 49152
when one or more of the Event Counters is full
(1)
(1)
(1)
(2)
IPART
D1
if a port becomes Partitioned
if this RIC has a port which experiences a collision Single RIC
if this RIC contains the receive port for packet or collision activity
if one or more than one of the flags in the flag array is true
64
MIFCON
Description
D0