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參數(shù)資料
| 型號(hào)： | LPC2921FBD100 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | ARM9 microcontroller with CAN, LIN, and USB |
| 中文描述： | 32-BIT, FLASH, 125 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100 |
| 文件頁(yè)數(shù)： | 43/84頁(yè) |
| 文件大小： | 551K |
| 代理商： | LPC2921FBD100 |
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LPC2921_23_25_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 14 April 2010
43 of 84
NXP Semiconductors
LPC2921/2923/2925
ARM9 microcontroller with CAN, LIN, and USB
There are two primary clock generators: a low-power ring oscillator (LP_OSC) and a
crystal oscillator. See
Figure 9
.
LP_OSC is the source for the BASE_PCR_CLK that clocks the CGU itself and for
BASE_SAFE_CLK that clocks a minimum of other logic in the device (like the watchdog
timer). To prevent the device from losing its clock source LP_OSC cannot be put into
power-down. The crystal oscillator can be used as source for high-frequency clocks or as
an external clock input if a crystal is not connected.
Secondary clock generators are a PLL and seven fractional dividers (FDIV[0:6]). The PLL
has three clock outputs: normal, 120
°
phase-shifted and 240
°
phase-shifted.
Fig 9.
Block diagram of the CGU0 (see
Table 24
for all base clocks)
400 kHz LP_OSC
PLL
FDIV0
EXTERNAL
OSCILLATOR
FDIV1
FDIV6
OUT 0
OUT 1
OUT 11
002aae147
clkout
clkout120
clkout240
CLOCK GENERATION UNIT (CGU0)
FREQUENCY
MONITOR
CLOCK
DETECTION
AHB TO DTL BRIDGE
BASE_SYS_CLK
BASE_ICLK1_CLK
OUT 3
BASE_IVNSS_CLK
OUT 2
BASE_PCR_CLK
BASE_SAFE_CLK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC2921FBD100,551 | 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 128KB 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(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 |
| LPC2923 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB |
| LPC2923FBD100 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB device |
| LPC2923FBD100,551 | 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 256KB 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(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 |
| LPC2925 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB |
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