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參數(shù)資料
| 型號： | LPC1751FBD80 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Cortex-M3 with 32 kB flash, 8 kB SRAM, USB 2.0 Device, CAN, 12-bit ADC |
| 中文描述： | 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT315-1, 80 PIN |
| 文件頁數(shù)： | 29/74頁 |
| 文件大?。?/td> | 1572K |
| 代理商： | LPC1751FBD80 |
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LPC1759_58_56_54_52_51
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 7 — 29 March 2011
29 of 74
NXP Semiconductors
LPC1759/58/56/54/52/51
32-bit ARM Cortex-M3 microcontroller
7.29.1.1
Internal RC oscillator
The IRC may be used as the clock source for the WDT, and/or as the clock that drives the
PLL and subsequently the CPU. The nominal IRC frequency is 4 MHz. The IRC is
trimmed to 1 % accuracy over the entire voltage and temperature range.
Upon power-up or any chip reset, the LPC1759/58/56/54/52/51 use the IRC as the clock
source. Software may later switch to one of the other available clock sources.
7.29.1.2
Main oscillator
The main oscillator can be used as the clock source for the CPU, with or without using the
PLL. The main oscillator also provides the clock source for the dedicated USB PLL.
The main oscillator operates at frequencies of 1 MHz to 25 MHz. This frequency can be
boosted to a higher frequency, up to the maximum CPU operating frequency, by the main
PLL. The clock selected as the PLL input is PLLCLKIN. The ARM processor clock
frequency is referred to as CCLK elsewhere in this document. The frequencies of
PLLCLKIN and CCLK are the same value unless the PLL is active and connected. The
clock frequency for each peripheral can be selected individually and is referred to as
PCLK. Refer to
Section 7.29.2
for additional information.
7.29.1.3
RTC oscillator
The RTC oscillator can be used as the clock source for the RTC block, the main PLL,
and/or the CPU.
Fig 4.
LPC1759/58/56/54/52/51 clocking generation block diagram
MAIN
OSCILLATOR
INTERNAL
RC
OSCILLATOR
RTC
OSCILLATOR
MAIN PLL
WATCHDOG
TIMER
REAL-TIME
CLOCK
CPU
CLOCK
DIVIDER
PERIPHERAL
CLOCK
GENERATOR
USB BLOCK
ARM
CORTEX-M3
ETHERNET
BLOCK
DMA
GPIO
NVIC
USB
CLOCK
DIVIDER
USB clock config
(USBCLKCFG)
system
clock
select
(CLKSRCSEL)
CPU clock config
(CCLKCFG)
pllclk
CCLK/8
CCLK/6
CCLK/4
CCLK/2
CCLK
pclk
WDT
rtclk = 1Hz
usbclk
(48 MHz)
cclk
USB PLL
USB PLL enable
main PLL enable
32 kHz
APB peripherals
LPC17xx
002aad947
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| LPC1751FBD80,551 | 功能描述:ARM微控制器 - MCU ARM Cortex M3 Micro Controller RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)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(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 安裝風格:SMD/SMT |
| LPC1751FBD80551 | 制造商:NXP Semiconductors 功能描述:IC 32BIT MCU 100MHZ LQFP-80 |
| LPC1752 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:32-bit ARM Cortex-M3 MCU; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN |
| LPC1752FBD80 | 制造商:NXP Semiconductors 功能描述:MCU 32BIT ARM CORTEX M3 80LQFP 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM CORTEX M3, 80LQFP 制造商:NXP Semiconductors 功能描述:IC, 32BIT MCU, ARM CORTEX, 100MHZ LQFP80; Controller Family/Series:(ARM Cortex); Core Size:32bit; No. of I/O's:52; Supply Voltage Min:2.4V; Supply Voltage Max:3.6V; Digital IC Case Style:LQFP; No. of Pins:80; Program Memory Size:64KB;RoHS Compliant: Yes |
| LPC1752FBD80,551 | 功能描述:ARM微控制器 - MCU ARM Cortex M3 Micro Controller RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)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(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 安裝風格:SMD/SMT |
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