LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 199

• Manufacturer Part Number: LPC1767FBD100,551
• Description: IC ARM CORTEX MCU 512K 100-LQFP
• Manufacturer: NXP Semiconductors
• Series: LPC17xxr

Specifications of LPC1767FBD100,551

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x12b, D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Processor Series: LPC17
• Core: ARM Cortex M3
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2, MCB1760, MCB1760U, MCB1760UME
• For Use With: 622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-4967; 935289808551

NXP Semiconductors
UM10360
User manual
Fig 24. Receive filter block diagram
AcceptMulticastHashEn
AcceptUnicastHashEn
AcceptMulticastEn
AcceptUnicastEn
HashFilter
Unicast, broadcast and multicast
Generic filtering based on the type of frame (unicast, multicast or broadcast) can be
programmed using the AcceptUnicastEn, AcceptMulticastEn, or AcceptBroadcastEn bits
of the RxFilterCtrl register. Setting the AcceptUnicast, AcceptMulticast, and
AcceptBroadcast bits causes all frames of types unicast, multicast and broadcast,
respectively, to be accepted, ignoring the Ethernet destination address in the frame. To
program promiscuous mode, i.e. to accept all frames, set all 3 bits to 1.
Perfect address match
When a frame with a unicast destination address is received, a perfect filter compares the
destination address with the 6 byte station address programmed in the station address
registers SA0, SA1, SA2. If the AcceptPerfectEn bit in the RxFilterCtrl register is set to 1,
and the address matches, the frame is accepted.
Imperfect hash filtering
An imperfect filter is available, based on a hash mechanism. This filter applies a hash
function to the destination address and uses the hash to access a table that indicates if
the frame should be accepted. The advantage of this type of filter is that a small table can
cover any possible address. The disadvantage is that the filtering is imperfect, i.e.
sometimes frames are accepted that should have been discarded.
IMPERFECT
FILTER
HASH
All information provided in this document is subject to legal disclaimers.
FReady
Rev. 2 — 19 August 2010
StationAddress
AcceptPerfectEn
packet
FMatch
PERFECT
ADDRESS
FILTER
RxFilterEnWoL
Chapter 10: LPC17xx Ethernet
CRC
OK?
UM10360
RxFilterWoL
© NXP B.V. 2010. All rights reserved.
RxAbort
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