參數(shù)資料
型號(hào)： LPC11C12FBD48
廠(chǎng)商： NXP Semiconductors N.V.
元件分類(lèi)： 32位微控制器
英文描述： Cortex-M0 with 16 kB flash, 8 kB SRAM, CAN and CANopen drivers on-chip
中文描述： Cortex-M0,16KB閃存，8 KB靜態(tài)隨機(jī)存儲(chǔ)器，CAN和CANopen片上驅(qū)動(dòng)
封裝： LPC11C12FBD48/301<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;
文件頁(yè)數(shù)： 26/62頁(yè)
文件大?。?/td> 487K
代理商： LPC11C12FBD48
LPC11CX2_CX4
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3 — 27 June 2011
26 of 62
NXP Semiconductors
LPC11Cx2/Cx4
32-bit ARM Cortex-M0 microcontroller
NVIC in order to cause a CPU interrupt; if not, software can monitor the signal by reading
a dedicated status register. Four additional threshold levels can be selected to cause a
forced reset of the chip.
7.17.4
Code security (Code Read Protection - CRP)
This feature of the LPC11Cx2/Cx4 allows user to enable different levels of security in the
system so that access to the on-chip flash and use of the Serial Wire Debugger (SWD)
and In-System Programming (ISP) can be restricted. When needed, CRP is invoked by
programming a specific pattern into a dedicated flash location. IAP commands are not
affected by the CRP.
In addition, ISP entry via the PIO0_1 pin can be disabled without enabling CRP. For
details see the
LPC11Cx user manual
.
There are three levels of Code Read Protection:
1. CRP1 disables access to the chip via the SWD and allows partial flash update
(excluding flash sector 0) using a limited set of the ISP commands. This mode is
useful when CRP is required and flash field updates are needed but all sectors can
not be erased.
2. CRP2 disables access to the chip via the SWD and only allows full flash erase and
update using a reduced set of the ISP commands.
3. Running an application with level CRP3 selected fully disables any access to the chip
via the SWD pins and the ISP. This mode effectively disables ISP override using
PIO0_1 pin, too. It is up to the user’s application to provide (if needed) flash update
mechanism using IAP calls or call reinvoke ISP command to enable flash update via
the UART.
In addition to the three CRP levels, sampling of pin PIO0_1 for valid user code can be
disabled. For details see the
LPC11Cx user manual
.
7.17.5
Bootloader
The bootloader controls initial operation after reset and also provides the means to
program the flash memory. This could be initial programming of a blank device, erasure
and re-programming of a previously programmed device, or programming of the flash
memory by the application program in a running system.
The bootloader code is executed every time the part is reset or powered up. The loader
can either execute the user application code or the ISP command handler via UART or
C_CAN. A LOW level during reset applied to the PIO0_1 pin is considered as an external
hardware request to start the ISP command handler. The state of PIO0_3 at reset
determines whether the UART (PIO0_3 HIGH) or the C_CAN (PIO0_3 LOW) interface will
be used.
CAUTION
If level three Code Read Protection (CRP3) is selected, no future factory testing can be
performed on the device.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LPC11C12FBD48/301 功能描述:ARM微控制器 - MCU 32-bit Cortex M0 16KB 8K RAM CAN RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線(xiàn)寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
LPC11C12FBD48/301, 功能描述:ARM微控制器 - MCU 32b 16K Flash 40I/O RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線(xiàn)寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
LPC11C12FBD48/301,15 制造商:NXP Semiconductors 功能描述:Bulk
LPC11C12FBD48-301 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:32-bit ARM Cortex-M0 microcontroller; 16/32 kB flash, 8 kB SRAM; C_CAN
LPC11C14FB301 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:32-bit ARM Cortex-M0 microcontroller; 16/32 kB flash, 8 kB SRAM C_CAN
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