Overview
The LPC2294HBD144/01K is a 16/32-bit ARM microcontroller developed by NXP USA Inc. It is based on the ARM7TDMI-S CPU and is part of the LPC2200 series. This microcontroller is designed to offer high performance, low power consumption, and a wide range of peripheral functions, making it suitable for various industrial, automotive, and consumer applications.
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) | Available |
| Watchdog | Available |
| Interrupt Controller | Vectored Interrupt Controller (VIC) with configurable priorities and vector addresses |
| External Memory Interface | Configurable with up to four banks, each up to 16 MB and 8/16/32-bit data width |
| GPIO Pins | Up to 112 general purpose I/O pins (5 V tolerant) |
| Serial Interfaces | Two UARTs, Fast I2C-bus (400 kbit/s), two SPIs, and buffered SSP serial controller |
| CPU Clock | Up to 60 MHz from programmable on-chip PLL |
| Operating Voltage | CPU: 1.65 V to 1.95 V (1.8 V ±0.15 V), I/O: 3.0 V to 3.6 V (3.3 V ±10%) |
| Temperature Range | −40°C to +125°C |
| Package | LQFP144 plastic low profile quad flat package; 144 leads; body 20 × 20 × 1.4 mm |
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 ADC(s) to reduce interrupt overhead. The ADC pads are 5 V tolerant when configured for digital I/O function(s).
- UART0/1 include 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.
- Two/four interconnected CAN interfaces with advanced acceptance filters.
- EmbeddedICE-RT and Embedded Trace interfaces for real-time debugging and high-speed real-time tracing of instruction execution.
- Power saving modes include Idle and Power-down, with processor wake-up from Power-down mode via external interrupt.
- Individual enable/disable of peripheral functions for power optimization).
Applications
The LPC2294HBD144/01K is versatile and can be used in a variety of applications, including:
- Industrial control systems: Due to its robust peripheral set and high performance, it is suitable for industrial automation and control systems.
- Automotive systems: The microcontroller's CAN interfaces and robust operating temperature range make it suitable for automotive applications.
- Consumer electronics: It can be used in various consumer electronic devices requiring high performance and low power consumption.
- Medical devices: The microcontroller's precision and reliability make it a candidate for medical device applications.
Q & A
- What is the CPU type of the LPC2294HBD144/01K?
The CPU is a 16/32-bit ARM7TDMI-S.
- How much flash memory does the LPC2294HBD144/01K have?
The microcontroller has 256 kB of flash memory.
- What is the maximum CPU clock frequency of the LPC2294HBD144/01K?
The maximum CPU clock frequency is up to 60 MHz from the programmable on-chip PLL).
- Does the LPC2294HBD144/01K support CAN interfaces?
Yes, it supports four CAN interfaces with advanced acceptance filters).
- What is the operating voltage range for the CPU and I/O of the LPC2294HBD144/01K?
The CPU operates between 1.65 V to 1.95 V (1.8 V ±0.15 V), and the I/O operates between 3.0 V to 3.6 V (3.3 V ±10%)).
- What type of package does the LPC2294HBD144/01K come in?
The microcontroller comes in an LQFP144 plastic low profile quad flat package; 144 leads; body 20 × 20 × 1.4 mm).
- Does the LPC2294HBD144/01K support real-time debugging?
Yes, it supports real-time debugging through EmbeddedICE-RT and Embedded Trace interfaces).
- What is the temperature range of the LPC2294HBD144/01K?
The operating temperature range is −40°C to +125°C).
- How many general purpose I/O pins does the LPC2294HBD144/01K have?
It has up to 112 general purpose I/O pins (5 V tolerant)).
- Is the LPC2294HBD144/01K compliant with RoHS and other environmental directives?
Yes, the LPC2294HBD144/01K is compliant with EU RoHS, ELV, and China RoHS directives).
