Overview
The LPC2194HBD64/01,15 is a single-chip 16/32-bit microcontroller produced by NXP USA Inc. It is based on the ARM7TDMI-S CPU, which includes real-time emulation and embedded trace support. This microcontroller is designed for a wide range of applications, including communication gateways, protocol converters, and general-purpose use. It features a robust set of peripherals and power management options, making it versatile for various embedded systems.
Key Specifications
| Parameter | Value |
|---|---|
| CPU | ARM7TDMI-S |
| Flash Memory | 256 kB ISP/IAP |
| ADC | 10-bit |
| CAN | Supported |
| Package | LQFP64 plastic low profile quad flat package; 64 leads |
| Body Dimensions | 10 × 10 × 1.4 mm |
| CPU Operating Voltage | 1.65 V to 1.95 V (1.8 V ± 0.15 V) |
| I/O Power Supply | 3.0 V to 3.6 V (3.3 V ± 10%) with 5 V tolerant I/O pads |
| Low Power Modes | Idle and Power-down |
| Wake-up from Power-down | Via external interrupt |
Key Features
- Fast GPIO ports enabling port pin toggling up to 3.5 times faster than earlier LPC2000 devices.
- Dedicated result registers for ADC(s) to reduce interrupt overhead.
- 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) for different security levels.
- Individual enable/disable of peripheral functions for power optimization.
- Bit-level set and clear registers for GPIO, with direction control of individual bits.
Applications
The LPC2194HBD64/01,15 is suited for a variety of applications, including:
- Communication gateways and protocol converters.
- General-purpose embedded systems.
- Industrial control systems.
- Automotive systems.
- Consumer electronics.
Q & A
- What is the CPU core of the LPC2194HBD64/01,15?
The CPU core is the ARM7TDMI-S. - How much flash memory does the LPC2194HBD64/01,15 have?
The LPC2194HBD64/01,15 has 256 kB of ISP/IAP flash memory. - What type of package does the LPC2194HBD64/01,15 come in?
The LPC2194HBD64/01,15 comes in an LQFP64 plastic low profile quad flat package with 64 leads. - What are the operating voltage ranges for the CPU and I/O?
The CPU operates between 1.65 V to 1.95 V (1.8 V ± 0.15 V), and the I/O power supply range is 3.0 V to 3.6 V (3.3 V ± 10%) with 5 V tolerant I/O pads. - Does the LPC2194HBD64/01,15 support low power modes?
Yes, it supports Idle and Power-down modes with wake-up via external interrupt. - What are some key features of the GPIO ports on the LPC2194HBD64/01,15?
The GPIO ports are fast, enabling port pin toggling up to 3.5 times faster than earlier LPC2000 devices, and they include bit-level set and clear registers. - Does the LPC2194HBD64/01,15 have built-in ADC and CAN capabilities?
Yes, it includes a 10-bit ADC and supports CAN. - What types of serial communication interfaces are supported by the LPC2194HBD64/01,15?
The LPC2194HBD64/01,15 supports UART, SSP (SPI, 4-wire SSI, Microwire), and other serial communication interfaces. - How does the LPC2194HBD64/01,15 manage power consumption?
The LPC2194HBD64/01,15 allows individual enable/disable of peripheral functions for power optimization and has two low power modes: Idle and Power-down. - What security features are available on the LPC2194HBD64/01,15?
The LPC2194HBD64/01,15 includes Diversified Code Read Protection (CRP) for different security levels.
