In this post, I will introduce you a series of products produced by NXP USA Inc .: LPC2368FBD100 , there are two options: LPC2368FBD100K LPC2368FBD100,551 LPC2368FBD100 Overview The LPC2368FBD100 is a Arm7 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 72 MHz. Features include up to 256 kB of flash memory, up to 58 kB of RAM, Ethernet MAC, USB Device/Host/OTG, DMA controller, SD/MMC, 4 UARTs, 2 CAN channels, 3 SSP/SPI, 3 I2C, I2S, 8-channel 10-bit ADC, 10-bit DAC, 2 PWM, 4 general purpose timers, low power Real-Time Clock with separate battery supply, and up to 70 general purpose I/O pins. The LPC23xx are pin-compatible to the LPC176x Cortex-M3 series. LPC2368FBD100 Features ARM7 with 512 kB flash, 58 kB SRAM, Ethernet, USB 2.0 Device, CAN, SD/MMC, and 10-bit ADC. Arm7TDMI-S™ processor, running at up to 72 MHz Up to 512 kB on-chip flash program memory with In-System Programming (ISP) 32 kB of SRAM on the Arm local bus for high performance CPU access 8 kB SRAM for general purpose DMA use also accessible by the USB 16 kB SRAM for Ethernet interface. Can also be used as general purpose SRAM Dual Advanced High-performance Bus (AHB) system Advanced Vectored Interrupt Controller (VIC) General Purpose DMA controller (GPDMA) on AHB Ethernet MAC with associated DMA controller Four UARTs with fractional baud rate generation USB 2.0 full-speed device with on-chip PHY CAN controller with two channels SPI controller Two SSP controllers, with FIFO and multi-protocol capabilities Three I2C-bus interfaces I2S (Inter-IC Sound) interface for digital audio input or output SD/MMC memory card interface 70 general purpose I/O pins with configurable pull-up/down resistors 10-bit ADC with input multiplexing among 6 pins 10-bit DAC Four general purpose timers/counters with a total of 8 capture inputs One PWM/timer block with support for three-phase motor control Real-Time Clock (RTC) 2 kB SRAM powered from the RTC power pin WatchDog Timer (WDT). Standard Arm test/debug interface for compatibility with existing tools Emulation trace module supports real-time trace Single 3.3 V power supply (3.0 V to 3.6 V) Four reduced power modes: idle, sleep, power-down, and deep power-down Four external interrupt inputs configurable as edge/level sensitive Processor wake-up from Power-down mode via any interrupt Two independent power domains allow fine tuning of power consumption Each peripheral has its own clock divider for further power saving Brownout detect with separate thresholds for interrupt and forced reset On-chip power-on reset On-chip crystal oscillator with an operating range of 1 MHz to 24 MHz 4 MHz internal RC oscillator trimmed to 1 % accuracy On-chip PLL Package LPC2368FBD100 LQFP100 LQFP100, plastic low profile quad flat package; 100 leads; 0.5 mm pitch, 14 mm x 14 mm x 1.4 mm body. LPC2368FBD100 Operating Features Parameter Value Operating Frequency [Max] (MHz) 72 Flash (kB) 512 Ethernet 1 USB Controllers 1 CAN 2 UART 4 I2C 3 SPI 1 I2S 1 ADC (Channels) 1 ADC (bits) 10 DAC (bits) 10 SCTimer / PWM 1 Timers 1 Timer (bits) 32 PWM 1 Temperature range -40 °C to +85 °C Supply voltage [min] (V) 3 Supply voltage [max] (V) 3.6 Product category 150-LPC2100/200/300/400- Environmental LPC2368FBD100 Quality LPC2368FBD100 Application Note LPC2368FBD100 Name/Description Modified Date 21 Jul 2013 Using IAP for LPC2000 Arm® devices (REV 1.0) 06 Oct 2009 Migrating to the LPC1700 series (REV 1.0) 05 Feb 2007 Migrating to the LPC2300/2400 family (REV 1.0) LPC2368 Block Diagram