NXP LPC2119FBD64/01: A Comprehensive Technical Overview of the ARM7-Based Microcontroller
The NXP LPC2119FBD64/01 represents a pivotal component in the lineage of embedded systems, integrating the robust ARM7TDMI-S core into a compact 64-pin LQFP package. This microcontroller is engineered for applications demanding high performance, low power consumption, and a rich set of integrated peripherals, making it a cornerstone in industrial control, automotive systems, and sophisticated consumer electronics.
At the heart of the LPC2119 lies the ARM7TDMI-S processor core, a 32-bit RISC architecture renowned for its efficiency and low power consumption. Operating at speeds up to 60 MHz, it executes both 32-bit ARM and 16-bit Thumb instruction sets, allowing developers to optimize for either performance or code density. This flexibility is crucial for managing complex tasks within limited memory resources.
A defining feature of this microcontroller is its 128 kB of on-chip high-speed Flash memory. This non-volatile memory supports 128-bit wide access/acceleration architecture, enabling zero-wait-state operation at full speed. Coupled with 16 kB of static RAM (SRR), it provides ample space for data and complex program execution, eliminating the need for external memory in many applications and simplifying board design.
The peripheral set of the LPC2119 is exceptionally comprehensive. It includes:
Two CAN (Controller Area Network) 2.0B controllers, making it an ideal solution for robust industrial and automotive network communications.
Two 32-bit timers, two 16-bit timers, a PWM unit, and a real-time clock (RTC) for precise timing and control operations.
An 8-channel 10-bit ADC for analog signal acquisition.
Multiple serial interfaces, including two UARTs, two I²C-bus interfaces, and two SPI ports, ensuring versatile connectivity options.
A vectored interrupt controller (VIC) that minimizes interrupt latency and provides deterministic response times to critical events.
The device operates from a 2.7V to 3.6V supply voltage and features advanced power-saving modes: Idle and Power-down. These modes are instrumental in extending battery life in portable applications, allowing the system to wake up via external interrupts or the RTC.
Its 64-pin package strikes a balance between a rich feature set and a compact physical footprint, facilitating designs where space is a constraint. The LPC2119's combination of processing power, extensive integrated peripherals, and low-power operation establishes it as a highly capable and versatile solution for a vast array of embedded control challenges.
ICGOOODFIND: The NXP LPC2119FBD64/01 is a highly integrated, powerful, and efficient ARM7-based microcontroller. Its standout features include dual CAN controllers, a large on-chip memory subsystem, and a wide array of serial interfaces, all packaged for compact and robust embedded designs across industrial and automotive sectors.
Keywords: ARM7TDMI-S, CAN Controller, Embedded Flash Memory, Low Power Consumption, Vectored Interrupt Controller (VIC)
