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參數(shù)資料
| 型號： | LPC2939FBD208 |
| 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, PQFP208 |
| 封裝： | 28 X 28 MM, 1.40 MM HEIGHT, PLASTIC, SOT-459, MS-026, LQFP-208 |
| 文件頁數(shù)： | 31/99頁 |
| 文件大?。?/td> | 1945K |
| 代理商： | LPC2939FBD208 |
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LPC2939_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 7 April 2010
31 of 99
NXP Semiconductors
LPC2939
ARM9 microcontroller with CAN, LIN, and USB
6.11.5
Clock description
Access to the USB registers is clocked by the CLK_SYS_USB, derived from
BASE_SYS_CLK, see
Section 6.7.2
. The CGU1 provides two independent base clocks to
the USB block, BASE_USB_CLK and BASE_USB_I2C_CLK (see
Section 6.16.3
).
6.12 General subsystem
6.12.1
General subsystem clock description
The general subsystem is clocked by CLK_SYS_GESS, see
Section 6.7.2
.
6.12.2
Chip and feature identification
The Chip/Feature ID (CFID) module contains registers which show and control the
functionality of the chip. It contains an ID to identify the silicon and also registers
containing information about the features enabled or disabled on the chip.
The key features are:
Identification of product
Identification of features enabled
The CFID has no external pins.
6.12.3
System Control Unit (SCU)
The system control unit contains system related functions.The key feature is configuration
of the I/O port pins multiplexer. It defines the function of each I/O pin of the LPC2939. The
I/O pin configuration should be consistent with peripheral function usage.
The SCU has no external pins.
6.12.4
Event router
The event router provides bus-controlled routing of input events to the vectored interrupt
controller for use as interrupt or wake-up signals.
Key features:
Up to 22 level-sensitive external interrupt pins, including the receive pins of SPI, CAN,
LIN, USB, and UART, as well as the I
2
C-bus SCL pins plus three internal event
sources
Input events can be used as interrupt source either directly or latched (edge-detected)
Direct events disappear when the event becomes inactive
Latched events remain active until they are explicitly cleared
USB_CONNECT2
USB_UP_LED2
USB_PWRD2
USB_PPWR2
USB_OVRCR2
O
O
I
O
I
SoftConnect control signal
GoodLink LED control signal
port power status
port power enable
over-current status
-
-
USB host
USB host
USB host
Table 14.
Pin name
USB OTG port pins
…continued
Direction
Description
Interfacing
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| LPC2939FBD208,551 | 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 768KB 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 |
| LPC2939FBD208551 | 制造商:NXP Semiconductors 功能描述:MCU ARM9 208LQFP |
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