參數(shù)資料
型號： LPC2378
廠商： NXP Semiconductors N.V.
英文描述： Single-chip 16-bit/32-bit microcontrollers; 512 kB flash with ISP/IAP, Ethernet, USB 2.0, CAN, and 10-bit ADC/DAC
中文描述： 單芯片16-bit/32-bit微控制器，512的ISP /國際檢察官聯(lián)合會，以太網，USB 2.0，CAN和10 kB閃存位的ADC / DAC
文件頁數(shù)： 16/54頁
文件大?。?/td> 203K
代理商： LPC2378
LPC2378_1
NXP B.V. 2006. All rights reserved.
Preliminary data sheet
Rev. 01 — 6 December 2006
16 of 54
NXP Semiconductors
LPC2378
Fast communication chip
the standard 32-bit ARM set
a 16-bit Thumb set
The Thumb set’s 16-bit instruction length allows it to approach twice the density of
standard ARM code while retaining most of the ARM’s performance advantage over a
traditional 16-bit processor using 16-bit registers. This is possible because Thumb code
operates on the same 32-bit register set as ARM code.
Thumb code is able to provide up to 65 % of the code size of ARM, and 160 % of the
performance of an equivalent ARM processor connected to a 16-bit memory system.
7.2 On-chip flash programming memory
The LPC2378 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 SRAM speeds of 72 MHz.
The LPC2378 provides a minimum of 100000 write/erase cycles and 20 years of data
retention.
7.3 On-chip SRAM
The LPC2378 includes a SRAM memory of 32 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 an 8 kB SRAM
associated with the USB device 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 LPC2378 memory map incorporates several distinct regions as shown in
Figure 3
.
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 7.26.6
).
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相關代理商/技術參數(shù)
參數(shù)描述
LPC2378FBD144 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM7 10/100 USB CAN 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM7, 10/100, USB, CAN
LPC2378FBD144,551 功能描述:ARM微控制器 - MCU ARM7 512KF/USB/ENET RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據 RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
LPC2378FBD144/CP32 制造商:NXP Semiconductors 功能描述:- Trays
LPC2378FBD144/CP3E 制造商:NXP Semiconductors 功能描述:
LPC2378FBD144551 制造商:NXP Semiconductors 功能描述:IC 32BIT MCU ARM7 72MHZ LQFP-144
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