Overview
The LPC2294HBD144/01551 is a 16/32-bit ARM microcontroller produced by NXP USA Inc. It is based on the ARM7TDMI-S CPU, which provides real-time emulation and embedded trace support. This microcontroller is part of the LPC2000 series and is designed for a wide range of applications requiring high performance, low power consumption, and advanced peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | 16/32-bit ARM7TDMI-S |
| Flash Memory | 256 kB |
| RAM | 16 kB |
| CAN Interfaces | Four channels |
| ADC | Eight channel 10-bit ADC, conversion time as low as 2.44 μs |
| Timers | Two 32-bit timers with four capture and four compare channels |
| PWM Unit | Six outputs |
| Real-Time Clock (RTC) | Yes |
| Watchdog | Yes |
| External Memory Interface | Up to four banks, each up to 16 MB, 8/16/32-bit data width |
| GPIO Pins | Up to 112 general purpose I/O pins (5 V tolerant) |
| CPU Clock | Up to 60 MHz from programmable on-chip PLL |
| Operating Voltage | CPU: 1.65 V to 1.95 V, I/O: 3.0 V to 3.6 V |
| Operating Temperature | -40°C to +125°C |
| Package Type | LQFP144 plastic low profile quad flat package |
Key Features
- Fast GPIO ports enabling port pin toggling up to 3.5 times faster than the original device and allowing for a port pin to be read at any time regardless of its function.
- Dedicated result registers for ADCs to reduce interrupt overhead, with ADC pads 5 V tolerant when configured for digital I/O function.
- UART0/1 with fractional baud rate generator, auto-bauding capabilities, and handshake flow-control fully implemented in hardware.
- Buffered SSP serial controller supporting SPI, 4-wire SSI, and Microwire formats.
- SPI programmable data length and master mode enhancement.
- Diversified Code Read Protection (CRP) enabling different security levels to be implemented.
- EmbeddedICE-RT and Embedded Trace interfaces for real-time debugging and high-speed real-time tracing of instruction execution.
- Two UARTs (16C550), Fast I2C-bus (400 kbit/s), and two SPIs.
- Vectored Interrupt Controller (VIC) with configurable priorities and vector addresses.
- Power saving modes including Idle and Power-down, with processor wake-up from Power-down mode via external interrupt.
Applications
The LPC2294HBD144/01551 microcontroller is suitable for a variety of applications that require advanced peripherals and high performance. These include:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics
- Communication systems
Q & A
- What is the CPU type of the LPC2294HBD144/01551?
The CPU is a 16/32-bit ARM7TDMI-S. - How much flash memory does the LPC2294HBD144/01551 have?
The microcontroller has 256 kB of flash memory. - What is the maximum CPU clock frequency?
The maximum CPU clock frequency is 60 MHz from the programmable on-chip PLL. - How many CAN interfaces does the LPC2294HBD144/01551 have?
The microcontroller has four CAN interfaces. - What is the operating voltage range for the CPU and I/O?
The CPU operates between 1.65 V to 1.95 V, and the I/O operates between 3.0 V to 3.6 V. - What are the power saving modes available?
The power saving modes include Idle and Power-down, with processor wake-up from Power-down mode via external interrupt. - Does the LPC2294HBD144/01551 support real-time debugging?
Yes, it supports real-time debugging through EmbeddedICE-RT and Embedded Trace interfaces. - How many GPIO pins are available?
Up to 112 general purpose I/O pins are available, which are 5 V tolerant. - What is the temperature range for the LPC2294HBD144/01551?
The operating temperature range is -40°C to +125°C. - What package type is used for the LPC2294HBD144/01551?
The package type is LQFP144 plastic low profile quad flat package.
