mbedNXPLPC11U2432位MCUUSB连接解决方案
2012-08-20
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LPC11U24 主要特性和优势:
ARM Cortex-M0 processor, running at frequencies of up to 50 MHz
ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC)
Non-Maskable Interrupt (NMI) input selectable from several input sources
System tick timer
Up to 32 kB on-chip flash program memory
Up to 4 kB on-chip EEPROM data memory
Up to 10 kB SRAM data memory
16 kB boot ROM
In-System Programming (ISP) and In-Application Programming (IAP)
ROM-based USB drivers. Flash updates via USB supported
ROM-based 32-bit integer division routines
Standard JTAG (Joint Test Action Group) test interface
Serial Wire Debug
Up to 54 General-Purpose I/O (GPIO) pins
Up to 8 GPIO pins can be selected as edge and level sensitive interrupt sources
Two GPIO grouped interrupt modules
High-current source output driver (20 mA) on one pin
High-current sink driver (20 mA) on true open-drain pins
Four general-purpose counter/timers
Programmable Windowed WatchDog Timer (WWDT)
10-bit ADC with input multiplexing among eight pins
USB 2.0 full-speed device controller
USART (Universal Synchronous Asynchronous Receiver/Transmitter)
Two SSP (Synchronous Serial Port) controllers
I2C-bus interface supporting the full I2C-bus specification and Fast-mode Plus
Crystal Oscillator with an operating range of 1 MHz to 25 MHz
12 MHz high-frequency Internal RC oscillator (IRC)
Internal low-power, low-frequency WatchDog Oscillator (WDO)
PLL allows CPU operation up to the maximum CPU rate
A second, dedicated PLL is provided for USB
Clock output function with divider
Integrated PMU (Power Management Unit)
Power profiles residing in boot ROM
Four reduced power modes
Processor wake-up
Power-On Reset (POR)
Brownout detect with four separate thresholds for interrupt and forced reset
Unique device serial number for identification
Single 3.3 V power supply (1.8 V to 3.6 V)
Temperature range -40 ℃ to +85 ℃
LPC11U24 应用:
Consumer peripherals
Medical
Industrial control
Industrial control
USB audio devices
图1.LPC11U24 框图
图2.自供电设备的USB接口连接图
Rapid Prototyping for USB devices, battery applications and low-cost 32-bit ARM® Cortex™-M0 based designs
图3.mbed NXP LPC11U24 MCU模块外形图
The mbed NXP LPC11U24 Microcontroller in particular is designed for prototyping low cost USB devices, battery powered applications and 32-bit ARM® Cortex™-M0 based designs. It is packaged as a small DIP form-factor for prototyping with through-hole PCBs, stripboard and breadboard, and includes a built-in USB FLASH programmer.
图4.mbed NXP LPC11U24 MCU模块连接图
图5.mbed NXP LPC11U24 MCU模块电路图(1)
图6.mbed NXP LPC11U24 MCU模块电路图(2)
图7.mbed NXP LPC11U24 MCU模块电路图(3)
图8.mbed NXP LPC11U24 MCU模块电路图(4)
详情请见:
http://www.nxp.com/documents/data_sheet/LPC11U2X.pdf
和
http://mbed.org/media/uploads/chris/mbed-010.2-schematic.pdf
以及
http://www.nxp.com/documents/user_manual/UM10462.pdf
LPC11U24 主要特性和优势:
ARM Cortex-M0 processor, running at frequencies of up to 50 MHz
ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC)
Non-Maskable Interrupt (NMI) input selectable from several input sources
System tick timer
Up to 32 kB on-chip flash program memory
Up to 4 kB on-chip EEPROM data memory
Up to 10 kB SRAM data memory
16 kB boot ROM
In-System Programming (ISP) and In-Application Programming (IAP)
ROM-based USB drivers. Flash updates via USB supported
ROM-based 32-bit integer division routines
Standard JTAG (Joint Test Action Group) test interface
Serial Wire Debug
Up to 54 General-Purpose I/O (GPIO) pins
Up to 8 GPIO pins can be selected as edge and level sensitive interrupt sources
Two GPIO grouped interrupt modules
High-current source output driver (20 mA) on one pin
High-current sink driver (20 mA) on true open-drain pins
Four general-purpose counter/timers
Programmable Windowed WatchDog Timer (WWDT)
10-bit ADC with input multiplexing among eight pins
USB 2.0 full-speed device controller
USART (Universal Synchronous Asynchronous Receiver/Transmitter)
Two SSP (Synchronous Serial Port) controllers
I2C-bus interface supporting the full I2C-bus specification and Fast-mode Plus
Crystal Oscillator with an operating range of 1 MHz to 25 MHz
12 MHz high-frequency Internal RC oscillator (IRC)
Internal low-power, low-frequency WatchDog Oscillator (WDO)
PLL allows CPU operation up to the maximum CPU rate
A second, dedicated PLL is provided for USB
Clock output function with divider
Integrated PMU (Power Management Unit)
Power profiles residing in boot ROM
Four reduced power modes
Processor wake-up
Power-On Reset (POR)
Brownout detect with four separate thresholds for interrupt and forced reset
Unique device serial number for identification
Single 3.3 V power supply (1.8 V to 3.6 V)
Temperature range -40 ℃ to +85 ℃
LPC11U24 应用:
Consumer peripherals
Medical
Industrial control
Industrial control
USB audio devices
图1.LPC11U24 框图
图2.自供电设备的USB接口连接图
Rapid Prototyping for USB devices, battery applications and low-cost 32-bit ARM® Cortex™-M0 based designs
图3.mbed NXP LPC11U24 MCU模块外形图
The mbed NXP LPC11U24 Microcontroller in particular is designed for prototyping low cost USB devices, battery powered applications and 32-bit ARM® Cortex™-M0 based designs. It is packaged as a small DIP form-factor for prototyping with through-hole PCBs, stripboard and breadboard, and includes a built-in USB FLASH programmer.
图4.mbed NXP LPC11U24 MCU模块连接图
图5.mbed NXP LPC11U24 MCU模块电路图(1)
图6.mbed NXP LPC11U24 MCU模块电路图(2)
图7.mbed NXP LPC11U24 MCU模块电路图(3)
图8.mbed NXP LPC11U24 MCU模块电路图(4)
详情请见:
http://www.nxp.com/documents/data_sheet/LPC11U2X.pdf
和
http://mbed.org/media/uploads/chris/mbed-010.2-schematic.pdf
以及
http://www.nxp.com/documents/user_manual/UM10462.pdf
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