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參數(shù)資料
| 型號： | LPC2917 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 32位微控制器 |
| 英文描述： | ARM9 microcontroller with CAN and LIN |
| 中文描述： | 具有CAN和LIN的ARM9微控制器 |
| 文件頁數(shù)： | 42/68頁 |
| 文件大?。?/td> | 384K |
| 代理商： | LPC2917 |
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LPC2917_19_1
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 1.01 — 15 November 2007
42 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
Generation of 10 and 2 test-base clocks, selectable from several embedded clock
sources
Crystal oscillator with power-down
Control PLL with power-down
Very low-power ring oscillator, always on to provide a ’safe clock’
Seven fractional clock dividers with L/D division
Individual source selector for each base clock, with glitch-free switching
Autonomous clock-activity detection on every clock source
Protection against switching to invalid or inactive clock sources
Embedded frequency counter
Register write-protection mechanism to prevent unintentional alteration of clocks
Remark:
Any clock-frequency adjustment has a direct impact on the timing of on-board
peripherals such as the UARTs, SPI, watchdog, timers, CAN controller, LIN master
controller, ADCs or flash-memory interface.
8.8.4.2
Description
The clock generation unit provides 10 internal clock sources as described in
Table 23
.
Table 23.
Number Name
[1]
Maximum frequency that guarantees stable operation of the LPC2917/19.
[2]
Fixed to low-power oscillator.
For generation of these base clocks, the CGU consists of primary and secondary clock
generators and one output generator for each base clock.
CGU base clocks
Frequency
(MHz)
[1]
0.4
80
0.4
[2]
80
80
80
40
80
4.5
Description
0
1
2
3
4
5
6
7
8
BASE_SAFE_CLK
BASE_SYS_CLK
BASE_PCR_CLK
BASE_IVNSS_CLK
BASE_MSCSS_CLK
BASE_UART_CLK
BASE_SPI_CLK
BASE_TMR_CLK
BASE_ADC_CLK
Base safe clock (always on)
Base system clock
Base PCR subsystem clock
Base IVNSS subsystem clock
Base MSCSS subsystem clock
Base UART clock
Base SPI clock
Base timers clock
Base ADCs clock
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相關(guān)代理商/技術(shù)參數(shù) |
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| LPC2917/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN and LIN |
| LPC2917FBD144 | 制造商:NXP Semiconductors 功能描述:IC MCU 32BIT ARM968 SMD LQFP144 |
| LPC2917FBD144,551 | 功能描述:ARM微控制器 - MCU ARM968 512K FL/48K RAM LIN 2.0 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(fēng)格:SMD/SMT |
| LPC2917FBD144/01 | 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144 制造商:NXP Semiconductors 功能描述:MCU, 32BIT, ARM968E-S, 125MHZ, LQFP-144, Controller Family/Series:LPC2900, Core Size:32bit, No. of I/O's:108, Supply Voltage Min:1.71V, Supply Voltage Max:1.89V, Digital IC Case Style:LQFP, No. of Pins:144, Program Memory Size:512KB, |
| LPC2917FBD144/01/, | 功能描述:ARM微控制器 - MCU ARM968 512K FL/48K 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(fēng)格:SMD/SMT |
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