LPC1227FBD48中文资料128kB闪存、8kB SRAM、LQFP48封装数据手册恩XP规格书

描述 Description

The LPC1227FBD48 is an Arm® Cortex®-M0 based microcontroller for embedded applications featuring a high level of integration and low power consumption. The LPC1227FBD48 operates at CPU frequencies of up to 30 MHz and includes 128 kB of Flash memory and 8 kB of data memory. The peripheral complement of the LPC1227FBD48 includes a DMA controller, a CRC engine, one Fast-mode Plus I2C interface, one RTC, one SSP/SPI interface, two UARTs, four general purpose timers, a 10-bit ADC, two comparators, and up to 39 General Purpose I/O (GPIO) pins. The LPC1227FBD48 is available in LQFP48 package.

特性 Features

• Arm Cortex-M0 processor, running at frequencies of up to 30 MHz
• Arm Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC)
• Serial Wire Debug
• System tick timer
• Up to 8 kB SRAM
• With 128 kB on-chip flash programming memory
• In-System Programming (ISP) and In-Application Programming (IAP)
• Includes ROM-based common division routines
• Crystal oscillator with an operating range of 1 MHz to 25 MHz
• 12 MHz Internal RC (IRC) oscillator trimmed to 1 % accuracy
• PLL allows CPU operation up to the maximum CPU rate
• Clock output function with divider
• Real-Time Clock (RTC)
• Micro DMA controller with 21 channels
• CRC engine
• Serial interfaces: I2C, UART, SSP/SPI
• Programmable high-current output drivers (16 mA) on four pins
• Up to 39 General Purpose I/O (GPIO) pins with programmable pull-up resistor
• All GPIO pins can be used as edge and level sensitive interrupt sources
• Four general purpose counter/timers
• Windowed WatchDog Timer (WWDT)
• One 8-channel, 10-bit ADC
• Two highly flexible analog comparators
• Three reduced power modes: Sleep, Deep-sleep, and Deep power-down
• Processor wake-up from Deep-sleep mode via start logic using 12 port pins
• Brownout detect with three separate thresholds
• Power-On Reset (POR)
• Integrated PMU (Power Management Unit)
• 3.3 V power supply

应用 Application

电子计量
照明
工业网络
报警系统
大型家电