LPC2460FET208,551 NXP Semiconductors, LPC2460FET208,551 Datasheet - Page 271
LPC2460FET208,551
Manufacturer Part Number
LPC2460FET208,551
Description
IC ARM7 MCU ROMLESS 208TFBGA
Manufacturer
NXP Semiconductors
Series
LPC2400r
Specifications of LPC2460FET208,551
Program Memory Type
ROMless
Package / Case
208-TFBGA
Core Processor
ARM7
Core Size
16/32-Bit
Speed
72MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
160
Ram Size
96K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
LPC24
Core
ARM7TDMI-S
Data Bus Width
16 bit, 32 bit
Data Ram Size
98 KB
Interface Type
CAN/I2C/I2S/SPI/SSP/UART/USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
160
Number Of Timers
4
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, MCB2460, MCB2460U
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCB2400U - BOARD EVAL MCB2400 + ULINK2MCB2400 - BOARD EVAL FOR NXP LPC246X SER
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4260
935283232551
LPC2460FET208-S
935283232551
LPC2460FET208-S
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC2460FET208,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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NXP Semiconductors
UM10237_4
User manual
9.15 Wake-up on LAN
Overview
The Ethernet block supports power management with remote wake-up over LAN. The
host system can be powered down, even including part of the Ethernet block itself, while
the Ethernet block continues to listen to packets on the LAN. Appropriately formed
packets can be received and recognized by the Ethernet block and used to trigger the
host system to wake up from its power-down state.
Wake-up of the system takes effect through an interrupt. When a wake-up event is
detected, the WakeupInt bit in the IntStatus register is set. The interrupt status will trigger
an interrupt if the corresponding WakeupIntEn bit in the IntEnable register is set. This
interrupt should be used by system power management logic to wake up the system.
While in a power-down state the packet that generates a Wake-up on LAN event is lost.
There are two ways in which Ethernet packets can trigger wake-up events: generic
Wake-up on LAN and Magic Packet. Magic Packet filtering uses an additional filter for
Magic Packet detection. In both cases a Wake-up on LAN event is only triggered if the
triggering packet has a valid CRC.
signal.
The RxFilterWoLStatus register can be read by the software to inspect the reason for a
Wake-up event. Before going to power-down the power management software should
clear the register by writing the RxFilterWolClear register.
NOTE: when entering in power-down mode, a receive frame might be not entirely stored
into the Rx buffer. In this situation, after turning exiting power-down mode, the next
receive frame is corrupted due to the data of the previous frame being added in front of
the last received frame. Software drivers have to reset the receive datapath just after
exiting power-down mode.
The following subsections describe the two Wake-up on LAN mechanisms.
Filtering for WoL
The receive filter functionality can be used to generate Wake-up on LAN events. If the
RxFilterEnWoL bit of the RxFilterCtrl register is set, the receive filter will set the WakeupInt
bit of the IntStatus register if a frame is received that passes the filter. The interrupt will
only be generated if the CRC of the frame is correct.
Magic Packet WoL
The Ethernet block supports wake-up using Magic Packet technology (see ‘Magic Packet
technology’, Advanced Micro Devices). A Magic Packet is a specially formed packet solely
intended for wake-up purposes. This packet can be received, analyzed and recognized by
the Ethernet block and used to trigger a wake-up event.
A Magic Packet is a packet that contains in its data portion the station address repeated
16 times with no breaks or interruptions, preceded by 6 Magic Packet synchronization
bytes with the value 0xFF. Other data may be surrounding the Magic Packet pattern in the
data portion of the packet. The whole packet must be a well-formed Ethernet frame.
Rev. 04 — 26 August 2009
Figure 11–33
shows the generation of the wake-up
Chapter 11: LPC24XX Ethernet
UM10237
© NXP B.V. 2009. All rights reserved.
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