LPC1850 Datasheet, PDF (1/84 Pages) NXP Semiconductors – 32-bit ARM Cortex-M3 MCU; up to 200 kB SRAM; Ethernet, two High-speed USB, LCD

LPC1850/30/20/10
32-bit ARM Cortex-M3 MCU; up to 200 kB SRAM; Ethernet,
two High-speed USB, LCD, and external memory controller
Rev. 1 — 3 January 2011
Objective data sheet
1. General description
The LPC1850/30/20/10 are ARM Cortex-M3 based microcontrollers for embedded
applications. The ARM Cortex-M3 is a next generation core that offers system
enhancements such as low power consumption, enhanced debug features, and a high
level of support block integration.
The LPC1850/30/20/10 operate at CPU frequencies of up to 150 MHz. The ARM
Cortex-M3 CPU incorporates a 3-stage pipeline and uses a Harvard architecture with
separate local instruction and data buses as well as a third bus for peripherals. The ARM
Cortex-M3 CPU also includes an internal prefetch unit that supports speculative
branching.
The LPC1850/30/20/10 include up to 200 kB of on-chip SRAM, a quad SPI Flash
Interface (SPIFI), a State Configurable Timer (SCT) subsystem, two High-speed USB
controllers, Ethernet, LCD, an external memory controller, and multiple digital and analog
peripherals.
2. Features and benefits
„ Processor core
‹ ARM Cortex-M3 processor, running at frequencies of up to 150 MHz.
‹ ARM Cortex-M3 built-in Memory Protection Unit (MPU) supporting eight regions.
‹ ARM Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC).
‹ Non-maskable Interrupt (NMI) input.
‹ JTAG and Serial Wire Debug, serial trace, eight breakpoints, and four watch points.
‹ ETM and ETB support.
‹ System tick timer.
„ On-chip memory
‹ 136 kB SRAM for code and data use.
‹ Two 32 kB SRAM blocks with separate bus access. Both SRAM blocks can be
powered down individually.
‹ 32 kB ROM containing boot code and on-chip software drivers.
‹ 32-bit One-Time Programmable (OTP) memory for general-purpose customer use.
„ Clock generation unit
‹ Crystal oscillator with an operating range of 1 MHz to 25 MHz.
‹ 12 MHz internal RC oscillator trimmed to 1 % accuracy.
‹ Ultra-low power RTC crystal oscillator.