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參數(shù)資料
| 型號： | LPC2919 |
| 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)： | 36/68頁 |
| 文件大?。?/td> | 384K |
| 代理商： | LPC2919 |
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LPC2917_19_1
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 1.01 — 15 November 2007
36 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
The ADC clock is limited to 4.5 MHz maximum frequency and should always be lower
than or equal to the system clock frequency. To meet this constraint or to select the
desired lower sampling frequency the clock generation unit provides a programmable
fractional system-clock divider dedicated to the ADC clock. Conversion rate is determined
by the ADC clock frequency divided by the number of resolution bits plus one. Accessing
ADC registers requires an enabled ADC clock, which is controllable via the clock
generation unit, see
Section 8.8.4
.
Each ADC has four start inputs. Note that start 0 and start 2 are captured in the system
clock domain while start 1 and start 3 are captured in the ADC domain. The start inputs
are connected at MSCSS level, see
Section 8.7.2.1
for details.
8.7.5.3
ADC pin description
The two ADC modules in the MSCSS have the pins described below. The ADCx input
pins are combined with other functions on the port pins of the LPC2917/19. The VREFN
and VREFP pins are common for both ADCs.
Table 20
shows the ADC pins.
Table 20.
Symbol
ADCn IN[7:0]
ADCn_EXT_START
VREFN
VREFP
Fig 9.
ADC block diagram
ADC
control
&
registers
ADC
control
&
registers
VPB
system
bus
update
Conversion data
Config data
IRQ
Start 0
Start 2
Start 1
Start 3
CLK_ADCx_VPB
(MSCSS SubSystem clock)
CLK_ADCx
(ADC clock)
(upto 4.5 MHz)
Analog
inputs
ADC1: 8
ADC2: 8
Sync_out
ADC
IRQ
3.3 V
Analog
to
Digital
convertor
Analog
mux
ADC domain
VPB SubSystem
domain
001aad331 **
Analog to digital converter pins
Direction
in
in
in
in
Description
analog input for ADCn, channel 7 to channel 0 (n is 1 or 2)
ADC external start-trigger input (n is 1 or 2)
ADC LOW reference level
ADC HIGH reference level
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| LPC2919/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN and LIN |
| LPC2919FBD144 | 制造商:NXP Semiconductors 功能描述:IC MCU 32BIT ARM968 SMD LQFP144 |
| LPC2919FBD144,551 | 功能描述:ARM微控制器 - MCU ARM968 768K 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 |
| LPC2919FBD144/01 | 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:768KB, |
| LPC2919FBD144/01/ | 制造商:NXP Semiconductors 功能描述:MCU ARM9 144LQFP |
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