LPC1342FBD48数据手册恩XP中文资料规格书

描述 Description

The LPC1342FBD48 is an Arm Cortex-M3-based microcontroller for embedded applications featuring a high level of integration and low power consumption. The LPC1342FBD48 operates at CPU frequencies of up to 72 MHz and features USB as a key peripheral. The peripheral complement of the LPC1342FBD48 includes up to 16 kB of flash memory, up to 4 kB of data memory, USB Device, one Fast-mode plus (Fm+) I2C interface, one UART, four general purpose timers, and up to 42 general purpose I/O pins.

特性 Features

• Arm Cortex-M3 processor, running at frequencies of up to 72 MHz
• Arm Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC)
• 16 kB on-chip flash programming memory
• 4 kB SRAM
• In-System Programming (ISP) and In-Application Programming (IAP)
• Selectable boot-up: USB
• USB MSC and HID on-chip drivers
• USB 2.0 full-speed device controller with on-chip PHY for device
• UART with fractional baud rate generation
• SSP controller with FIFO and multi-protocol capabilities
• I2C-bus interface supporting full I2C-bus specification and Fast-mode Plus
• Up to 42 General Purpose I/O (GPIO) pins
• Four general purpose counter/timers
• Programmable WatchDog Timer (WDT)
• System tick timer
• Serial Wire Debug and Serial Wire Trace port
• High-current output driver (20 mA) on one pin
• High-current sink drivers (20 mA) on two I2C-bus pins in Fast-mode Plus
• Integrated PMU (Power Management Unit)
• Three reduced power modes: Sleep, Deep-sleep, and Deep power-down
• Single power supply (2.0 V to 3.6 V)
• 10-bit ADC with input multiplexing among 8 pins
• GPIO pins can be used as edge and level sensitive interrupt sources
• Clock output function with divider
• Processor wake-up from Deep-sleep mode via a dedicated start logic
• Brownout detect with four separate thresholds
• Power-On Reset (POR)
• Integrated oscillator with an operating range of 1 MHz to 25 MHz
• 12 MHz internal RC oscillator trimmed to 1 % accuracy
• Programmable watchdog oscillator with a frequency range of 7.8 kHz to 1.8 MHz
• System PLL allows CPU operation up to the maximum CPU rate
• For USB, a second, dedicated PLL is provided
• Code Read Protection (CRP) with different security levels
• Unique device serial number for identification

应用 Application

电子计量
照明
报警系统
大型家电