LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 500
LPC2468FET208,551
Manufacturer Part Number
LPC2468FET208,551
Description
IC ARM7 MCU FLASH 512K 208TFBGA
Manufacturer
NXP Semiconductors
Series
LPC2400r
Specifications of LPC2468FET208,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
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
98K 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/I2S/ISP/SSP/UART/USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
160
Number Of Timers
6
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, IRD-LPC2468-DEV, SAB-TFBGA208, KSK-LPC2468-PL
Development Tools By Supplier
OM10100
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Package
208TFBGA
Device Core
ARM7TDMI-S
Family Name
LPC2000
Maximum Speed
72 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1025 - KIT DEV IND REF DESIGN LPC2468622-1024 - BOARD SCKT ADAPTER FOR TFBGA208568-4358 - DISPLAY QVGA TFT FOR OM10100568-4309 - BOARD EXTENSION LPCSTICK568-4308 - EVAL LPC-STICK WITH LPC2468MCB2400U - BOARD EVAL MCB2400 + ULINK2MCB2400 - BOARD EVAL FOR NXP LPC246X SER622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4262
935283234551
LPC2468FET208-S
935283234551
LPC2468FET208-S
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15. Acceptance filter registers
UM10237_4
User manual
15.1 Acceptance Filter Mode Register (AFMR - 0xE003 C000)
The table of ranges of Extended Identifiers must contain an even number of entries, of the
same form as in the individual Extended Identifier table. Like the Individual Extended
table, the Extended Range must be arranged in ascending numerical order. The first and
second (3rd and 4th …) entries in the table are implicitly paired as an inclusive range of
Extended addresses, such that any received address that falls in the inclusive range is
received (accepted). Software must maintain the table to consist of such word pairs.
There is no facility to receive messages to Extended identifiers using the fullCAN method.
Five address registers point to the boundaries between the tables in Acceptance Filter
RAM: fullCAN Standard addresses, Standard Individual addresses, Standard address
ranges, Extended Individual addresses, and Extended address ranges. These tables
must be consecutive in memory. The start of each of the latter four tables is implicitly the
end of the preceding table. The end of the Extended range table is given in an End of
Tables register. If the start address of a table equals the start of the next table or the End
Of Tables register, that table is empty.
When the Receive side of a CAN controller has received a complete Identifier, it signals
the Acceptance Filter of this fact. The Acceptance Filter responds to this signal, and reads
the Controller number, the size of the Identifier, and the Identifier itself from the Controller.
It then proceeds to search its RAM to determine whether the message should be received
or ignored.
If fullCAN mode is enabled and the CAN controller signals that the current message
contains a Standard identifier, the Acceptance Filter first searches the table of identifiers
for which reception is to be done in fullCAN mode. Otherwise, or if the AF doesn’t find a
match in the fullCAN table, it searches its individual Identifier table for the size of Identifier
signalled by the CAN controller. If it finds an equal match, the AF signals the CAN
controller to retain the message, and provides it with an ID Index value to store in its
Receive Frame Status register.
If the Acceptance Filter does not find a match in the appropriate individual Identifier table,
it then searches the Identifier Range table for the size of Identifier signalled by the CAN
controller. If the AF finds a match to a range in the table, it similarly signals the CAN
controller to retain the message, and provides it with an ID Index value to store in its
Receive Frame Status register. If the Acceptance Filter does not find a match in either the
individual or Range table for the size of Identifier received, it signals the CAN controller to
discard/ignore the received message.
The AccBP and AccOff bits of the acceptance filter mode register are used for putting the
acceptance filter into the Bypass and Off mode. The eFCAN bit of the mode register can
be used to activate a FullCAN mode enhancement for received 11-bit CAN ID messages.
Rev. 04 — 26 August 2009
Chapter 18: LPC24XX CAN controllers CAN1/2
UM10237
© NXP B.V. 2009. All rights reserved.
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