參數(shù)資料
型號(hào)： LPC2212
廠(chǎng)商： NXP Semiconductors N.V.
英文描述： 16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP Flash with 10-bit ADC and external memory interface
中文描述： 16/32位ARM微控制器; 128/256 kB ISP / IAP閃存的10位模數(shù)轉(zhuǎn)換器和外部存儲(chǔ)器接口
文件頁(yè)數(shù)： 26/40頁(yè)
文件大?。?/td> 185K
代理商： LPC2212
Philips Semiconductors
LPC2212/LPC2214
16/32-bit ARM microcontrollers with external memory interface
Product data
Rev. 02 — 23 December 2004
26 of 40
9397 750 13149
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6.20.4
External interrupt inputs
The LPC2212/LPC2214 include up to nine edge or level sensitive External Interrupt
Inputs as selectable pin functions. When the pins are combined, external events can
be processed as four independent interrupt signals. The External Interrupt Inputs can
optionally be used to wake up the processor from Power-down mode.
6.20.5
Memory Mapping Control
The Memory Mapping Control alters the mapping of the interrupt vectors that appear
beginning at address 0x00000000. Vectors may be mapped to the bottom of the
on-chip Flash memory, or to the on-chip static RAM. This allows code running in
different memory spaces to have control of the interrupts.
6.20.6
Power Control
The LPC2212/LPC2214 support two reduced power modes: Idle mode and
Power-down mode. In Idle mode, execution of instructions is suspended until either a
Reset or interrupt occurs. Peripheral functions continue operation during Idle mode
and may generate interrupts to cause the processor to resume execution. Idle mode
eliminates power used by the processor itself, memory systems and related
controllers, and internal buses.
In Power-down mode, the oscillator is shut down and the chip receives no internal
clocks. The processor state and registers, peripheral registers, and internal SRAM
values are preserved throughout Power-down mode and the logic levels of chip
output pins remain static. The Power-down mode can be terminated and normal
operation resumed by either a Reset or certain specific interrupts that are able to
function without clocks. Since all dynamic operation of the chip is suspended,
Power-down mode reduces chip power consumption to nearly zero.
A Power Control for Peripherals feature allows individual peripherals to be turned off if
they are not needed in the application, resulting in additional power savings.
6.20.7
VPB bus
The VPB divider determines the relationship between the processor clock (CCLK)
and the clock used by peripheral devices (PCLK). The VPB divider serves two
purposes. The first is to provide peripherals with the desired PCLK via VPB bus so
that they can operate at the speed chosen for the ARM processor. In order to achieve
this, the VPB bus may be slowed down to
1
2
to
1
4
of the processor clock rate.
Because the VPB bus must work properly at power-up (and its timing cannot be
altered if it does not work since the VPB divider control registers reside on the VPB
bus), the default condition at reset is for the VPB bus to run at
1
4
of the processor
clock rate. The second purpose of the VPB divider is to allow power savings when an
application does not require any peripherals to run at the full processor rate. Because
the VPB divider is connected to the PLL output, the PLL remains active (if it was
running) during Idle mode.
6.21 Emulation and debugging
The LPC2212/LPC2214 support emulation and debugging via a JTAG serial port. A
trace port allows tracing program execution. Debugging and trace functions are
multiplexed only with GPIOs on Port 1. This means that all communication, timer and
相關(guān)PDF資料
PDF描述
LPC2214 16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP Flash with 10-bit ADC and external memory interface
LPC2220 16/32-bit ARM microcontrollers; flashless with 64 kB, with 10-bit ADC and external memory interface
LPC2364FB100 Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, Ethernet, USB 2.0, CAN, and 10-bit ADC/DAC
LPC2364 Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, Ethernet, USB 2.0, CAN, and 10-bit ADC/DAC
LPC2366 Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, Ethernet, USB 2.0, CAN, and 10-bit ADC/DAC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LPC2212_08 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP flash with 10-bit ADC and external memory interface
LPC2212_11 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Single-chip 16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP flash with 10-bit ADC
LPC2212FBD101 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Single-chip 16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP flash with 10-bit ADC
LPC2212FBD144 制造商:NXP Semiconductors 功能描述:16/32BIT MCU ARM7 128K FLASH 144LQFP 制造商:NXP Semiconductors 功能描述:16/32BIT MCU ARM7, 128K FLASH, 144LQFP
LPC2212FBD144,551 功能描述:ARM微控制器 - MCU PREF PART LPC2212FBD144/01-S 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
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