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參數(shù)資料
| 型號： | LPC2917FBD144 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 數(shù)學處理器 |
| 英文描述： | ARM9 microcontroller with CAN and LIN |
| 封裝： | LPC2917FBD144/01<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486-1.html<1<Always Pb-free,;LPC2919FBD144/01<SOT486-1 (LQFP144)|<<http://www.nxp.com/packages/SOT486 |
| 文件頁數(shù)： | 15/86頁 |
| 文件大?。?/td> | 554K |
| 代理商： | LPC2917FBD144 |
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LPC2917_19_01_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 December 2009
15 of 86
NXP Semiconductors
LPC2917/01; LPC2919/01
ARM9 microcontroller with CAN and LIN
6.6 Reset, debug, test, and power description
6.6.1
Reset and power-up behavior
The LPC2917/2919/01 contains external reset input and internal power-up reset circuits.
This ensures that a reset is extended internally until the oscillators and flash have reached
a stable state. See
Section 8
for trip levels of the internal power-up reset circuit
1
. See
Section 9
for characteristics of the several start-up and initialization times.
Table 4
shows
the reset pin.
Table 4.
Symbol
RST
At activation of the RST pin the JTAGSEL pin is sensed as logic LOW. If this is the case
the LPC2917/2919/01 is assumed to be connected to debug hardware, and internal
circuits re-program the source for the BASE_SYS_CLK to be the crystal oscillator instead
of the Low-Power Ring Oscillator (LP_OSC). This is required because the clock rate when
running at LP_OSC speed is too low for the external debugging environment.
6.6.2
Reset strategy
The LPC2917/2919/01 contains a central module, the Reset Generator Unit (RGU) in the
Power, Clock and Reset Subsystem (PCRSS), which controls all internal reset signals
towards the peripheral modules. The RGU provides individual reset control as well as the
monitoring functions needed for tracing a reset back to source.
6.6.3
IEEE 1149.1 interface pins (JTAG boundary-scan test)
The LPC2917/2919/01 contains boundary-scan test logic according to IEEE 1149.1, also
referred to in this document as Joint Test Action Group (JTAG). The boundary-scan test
pins can be used to connect a debugger probe for the embedded ARM processor. Pin
JTAGSEL selects between boundary-scan mode and debug mode.
Table 5
shows the
boundary- scan test pins.
Table 5.
Symbol
JTAGSEL
1.
Only for 1.8 V power sources
Reset pin
Direction
IN
Description
external reset input, active LOW; pulled up internally
IEEE 1149.1 boundary-scan test and debug interface
Description
TAP controller select input. LOW level selects ARM debug mode and HIGH level
selects boundary scan and flash programming; pulled up internally
test reset input; pulled up internally (active LOW)
test mode select input; pulled up internally
test data input, pulled up internally
test data output
test clock input
TRST
TMS
TDI
TDO
TCK
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 安裝風格:SMD/SMT |
| LPC2917FBD144/01-S | 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 安裝風格:SMD/SMT |
| LPC2917FBD144-S | 功能描述:ARM微控制器 - MCU 16/32 bit micro 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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