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LPC2478FBD208,551正品,19+ 18+

价格:2.10元/pcs起订:1 pcs供货总量:99999 pcs

  • 产品品牌:NXP
  • 发货期限:自买家付款之日起 3 天内发货
  • 所在地:广东 深圳
  • 最后更新:2019-10-09 11:25
  • 被浏览:3 人次

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background image
LPC2478_1
© NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 01 — 6 July 2007
27 of 76
NXP Semiconductors
LPC2478
Fast communication chip
Pipeline techniques are employed so that all parts of the processing and memory systems
can operate continuously. Typically, while one instruction is being executed, its successor
is being decoded, and a third instruction is being fetched from memory.
The ARM7TDMI-S processor also employs a unique architectural strategy known as
Thumb, which makes it ideally suited to high-volume applications with memory
restrictions, or applications wher code density is an issue.
The key idea behind Thumb is that of a super-reduced instruction set. Essentially, the
ARM7TDMI-S processor has two instruction sets:
• the standard 32-bit ARM set
• a 16-bit Thumb set
The Thumb set’s 16-bit instruction length allows it to approach higher density compared to
standard ARM code while retaining most of the ARM’s performance.
7.2 On-chip flash programming memory
The LPC2478 incorporates 512 kB flash memory system. This memory may be used for
both code and data storage. Programming of the flash memory may be accomplished in
several ways. It may be programmed In System via the serial port (UART0). The
application program may also erase and/or program the flash while the application is
running, allowing a great degree of flexibility for data storage field and firmware upgrades.
The flash memory is 128 bits wide and includes pre-fetching and buffering techniques to
allow it to operate at speeds of 72 MHz.
The LPC2478 provides a minimum of 100000 write/erase cycles and 20 years of data
retention.
7.3 On-chip SRAM
The LPC2478 includes a SRAM memory of 64 kB reserved for the ARM processor
exclusive use. This RAM may be used for code and/or data storage and may be accessed
as 8 bits, 16 bits, and 32 bits.
A 16 kB SRAM block serving as a buffer for the Ethernet controller and a 16 kB SRAM
associated with the second AHB bus can be used both for data and code storage, too.
Remaining SRAM such as a 4 kB USB FIFO and a 2 kB RTC SRAM can be used for data
storage only. The RTC SRAM is battery powered and retains the content in the absence of
the main power supply.
7.4 Memory map
The LPC2478 memory map incorporates several distinct regions as shown in Table 5 and
Figure 4.
In addition, the CPU interrupt vectors may be remapped to allow them to reside in either
flash memory (default), boot ROM, or SRAM (see Section 7.27.6).
 

 

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Datasheet Download


Related Electronics Part Number

Part Number Components Description Html View Manufacturer
LPC2378 nductor=Single-chip" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Single-chip nductor=16-bit/32-bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16-bit/32-bit nductor=microcontrollers;" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">microcontrollers; nductor=512" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">512 nductor=kB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">kB nductor=flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">flash nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=ISP/IAP" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ISP/IAP nductor=Ethernet" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Ethernet nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=2.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">2.0 nductor=CAN" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CAN nductor=and" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">and nductor=10-bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">10-bit nductor=ADC/DAC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ADC/DAC 1 2 3 4 5 More NXP Semiconductors
STR91XFA nductor=ARM966E-S%E2%84%A2" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ARM966E-S™ nductor=16/32-Bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16/32-Bit nductor=Flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Flash nductor=MCU" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">MCU nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=Ethernet" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Ethernet nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=CAN" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CAN nductor=AC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">AC nductor=motor" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">motor nductor=control" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">control nductor=4" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">4 nductor=timers" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">timers nductor=ADC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ADC nductor=RTC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">RTC nductor=DMA" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">DMA 1 2 3 4 5 More STMicroelectronics
STR91XF_07 nductor=ARM966E-S" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ARM966E-S nductor=TM" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">TM nductor=16/32-Bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16/32-Bit nductor=Flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Flash nductor=MCU" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">MCU nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=Ethernet" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Ethernet nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=CAN" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CAN nductor=AC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">AC nductor=motor" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">motor nductor=control" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">control nductor=4" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">4 nductor=timers" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">timers nductor=ADC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">ADC nductor=RTC" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">RTC nductor=DMA" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">DMA 1 2 3 4 5 More STMicroelectronics
AT85C51SND3B nductor=Single-Chip" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Single-Chip nductor=Digital" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Digital nductor=Audio" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Audio nductor=Decoder" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Decoder nductor=-" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">- nductor=Encoder" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Encoder nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=2.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">2.0 nductor=Interface" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Interface 1 2 3 4 5 More ATMEL Corporation
USB3290 nductor=Small" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Small nductor=Footprint" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Footprint nductor=Hi-Speed" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Hi-Speed nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=2.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">2.0 nductor=Device" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Device nductor=PHY" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">PHY nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=UTMI" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">UTMI nductor=Interface" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Interface 1 2 3 4 5 More SMSC Corporation
AM29LV400B_03 nductor=4" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">4 nductor=Megabit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Megabit nductor=512" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">512 nductor=K" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">K nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=8-Bit/256" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">8-Bit/256 nductor=K" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">K nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=16-Bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16-Bit nductor=CMOS" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CMOS nductor=3.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">3.0 nductor=Volt-only" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Volt-only nductor=Boot" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Boot nductor=Sector" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Sector nductor=Flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Flash nductor=Memory" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Memory 1 2 3 4 5 More Advanced Micro Devices
AT89C51CC03_06 nductor=Enhanced" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Enhanced nductor=8-bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">8-bit nductor=MCU" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">MCU nductor=with" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">with nductor=CAN" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CAN nductor=Controller" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Controller nductor=and" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">and nductor=Flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Flash nductor=Memory" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Memory 1 2 3 4 5 More ATMEL Corporation
USB97C210 nductor=USB" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">USB nductor=2.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">2.0 nductor=FLASH" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">FLASH nductor=MEDIA" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">MEDIA nductor=CONTROLLER" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CONTROLLER 1 2 3 4 5 More SMSC Corporation
AM41DL32X4G nductor=32" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">32 nductor=Megabit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Megabit nductor=4" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">4 nductor=M" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">M nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=8-Bit/2" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">8-Bit/2 nductor=M" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">M nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=16-Bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16-Bit nductor=CMOS" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">CMOS nductor=3.0" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">3.0 nductor=Volt-only" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Volt-only nductor=Simultaneous" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Simultaneous nductor=Operation" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Operation nductor=Flash" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Flash nductor=Memory" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Memory nductor=and" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">and nductor=4" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">4 nductor=Mbit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Mbit nductor=512" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">512 nductor=K" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">K nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=8-Bit/256" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">8-Bit/256 nductor=K" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">K nductor=x" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">x nductor=16-Bit" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">16-Bit nductor=Static" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">Static nductor=RAM" style="font-size: 9pt; color: rgb(51, 51, 51); text-decoration-line: none;">RAM 1 2 3 4 5 More Advanced Micro Devices

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