LPC800: 32-Bit Arm® Cortex®-M0+-Based Low-Cost MCU

LPC80X

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LPC80x is a cost-effective Arm Cortex-M0+ based 32-bit MCU family operating at CPU frequencies of up to 15 MHz. The LPC80x MCU family supports up to 32 KB of flash memory and up to 4 KB of SRAM.

This family features a power-optimized core, small footprint in popular packages, and level shifting options thanks to its separate power rails. The peripheral complement of the LPC80x includes a CRC engine, I2C-bus interfaces, up to two USARTs, one SPI interface, capacitive touch interface (cap touch), one multi-rate timer, self-wake-up timer, one general purpose 32-bit counter/timer, one 12-bit ADC, one 10-bit DAC, one analog comparator, function-configurable I/O ports through a switch matrix, an input pattern match engine, programmable logic unit (PLU), and up to 30 general-purpose I/O pins.

This device is fully supported by NXP’s MCUXpresso Software and Tools, a comprehensive and cohesive set of free software development tools for Kinetis, LPC and i.MX RT microcontrollers. MCUXpresso SDK also includes project files for Keil MDK and IAR EWARM.

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Block Diagram

LPC80x MCU

LPC80x MCU
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Features

System

  • Arm Cortex-M0+ processor (revision r0p1), running at frequencies of up to 15 MHz with single-cycle multiplier and fast single-cycle I/O port
  • Arm Cortex-M0+ built-in Nested Vectored Interrupt Controller (NVIC)
  • System tick timer
  • AHB multilayer matrix
  • Serial Wire Debug (SWD) with four break points and two watchpoints. JTAG boundary scan (BSDL) supported

Memory

  • Up to 32 KB on-chip flash programming memory
  • Code Read Protection (CRP)
  • Up to 4 KB SRAM
  • Dual I/O power (LPC802M011JDH20, LPC804M111JDH24):
    • Independent supplies on each package side permitting level-shifting signals from one off-chip voltage domain to another and/or interfacing directly to off-chip peripherals operating at different supply levels

ROM API support

  • Bootloader
  • Supports Flash In-Application Programming (IAP)
  • Supports In-System Programming (ISP) through USART
  • On-chip ROM APIs for integer divide
  • Free Running Oscillator (FRO) API

Digital peripherals

  • High-speed GPIO interface connected to the Arm Cortex-M0+ I/O bus with up to 30 General-Purpose I/O (GPIO) pins with configurable pull-up/pull-down resistors, programmable open-drain mode, and input inverter. GPIO direction control supports independent set/clear/toggle of individual bits
  • High-current source output driver (20 mA) on three pins
  • GPIO interrupt generation capability with a boolean pattern-matching feature on eight GPIO inputs. (LPC804)
  • Switch matrix for flexible configuration of each I/O pin function
  • CRC engine
  • Capacitive Touch Interface. (LPC804)
  • Programmable Logic Unit (PLU) to create small combinatorial and/or sequential logic networks including simple state machines. (LPC804)

Timers

  • One 32-bit general purpose counter/timer, with four match outputs and three capture inputs. Supports PWM mode, and external count
  • Multi-Rate Timer (MRT) for repetitive interrupt generation at up to four programmable, fixed rates
  • Self-Wake-up Timer (WKT) clocked from either Free Running Oscillator (FRO), a low-power, low-frequency internal oscillator, or an external clock input
  • Windowed Watchdog timer (WWDT)

Analog peripherals

  • One 12-bit ADC with up to 12 input channels with multiple internal and external trigger inputs and with sample rates of up to 480 Ksamples/s. The ADC supports two independent conversion sequences
  • Comparator with five input pins and external or internal reference voltage
  • One 10-bit DAC. (LPC804)

Serial peripherals

  • Two USART interfaces with pin functions assigned through the switch matrix and one fractional baud rate generators
  • One SPI controllers with pin functions assigned through the switch matrix
  • Up to two I2C-bus interfaces. It supports data rates up to 400 kbit/s on standard digital
  • pins

Clock generation

  • Free Running Oscillator (FRO). This oscillator provides a selectable 9 MHz, 12 MHz and 15 MHz outputs that can be used as a system clock. The FRO is trimmed to ±1 % accuracy over the entire voltage and temperature range of 0 °C to 70 °C
  • 1 MHz low power oscillator can be used as a clock source
  • Clock output function with divider that can reflect all internal clock sources

Power control

  • Reduced power modes: sleep mode, deep-sleep mode, power-down mode, and deep power-down mode
  • Wake-up from deep-sleep and power-down modes of activity on USART, SPI, and I2C peripherals
  • Wake-up from deep power-down mode on multiple pins
  • Timer-controlled self-wake-up from sleep, deep-sleep, and power-down modes
  • Power-On Reset (POR)
  • Brownout detect (BOD)

Additional features

  • Unique device serial number for identification
  • Single or dual power supplies (1.71 V to 3.6 V)
  • Operating temperature range -40 °C to +105 °C
  • Available in TSSOP16, TSSOP20, TSSOP24 and HVQFN33 packages
  • Supported by MCUXpresso SDK, IDE and Config Tools

Part numbers include: LPC802M001JDH16, LPC802M001JDH20, LPC802M001JHI33, LPC802M011JDH20, LPC802UK, LPC804M101JDH20, LPC804M101JDH24, LPC804M101JHI33, LPC804M111JDH24, LPC804UK.

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