Overview
The P89LPC931FDH,112 is a single-chip microcontroller from NXP USA Inc., designed for applications that require high integration, low cost, and a wide range of performance capabilities. This microcontroller is part of the LPC900 family and is based on an accelerated two-clock 80C51 core, providing enhanced performance and power efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 8051 LPC900 |
| Bit Width | 8-bit |
| Maximum Clock Frequency | 12 MHz |
| Flash Memory | 8 KB (8K x 8) |
| RAM Data Memory | 256 bytes |
| Package Type | 28-TSSOP |
| VDD Operating Range | 2.4 V to 3.6 V |
| I/O Pins | 23 I/O pins minimum, up to 26 I/O pins |
| Oscillator Option | High-accuracy internal RC oscillator, selectable and fine tunable |
Key Features
- Accelerated two-clock 80C51 core, providing instruction cycle times of 111 ns to 222 ns at 18 MHz, which is six times the performance of the standard 80C51 at the same clock frequency.
- 8 KB byte-erasable flash code memory organized into sectors and 64-byte pages, with single-byte erasing capability.
- 256-byte RAM data memory.
- Dual 4-input multiplexed 8-bit A/D converters (on certain models), and two analog comparators with selectable inputs and reference source.
- Two 16-bit counter/timers and a 23-bit system timer that can also be used as an RTC.
- Enhanced UART with fractional baud rate generator, break detect, framing error detection, and automatic address detection.
- 400 kHz byte-wide I2C-bus communication port and SPI communication port.
- Capture/Compare Unit (CCU) for PWM, input capture, and output compare functions.
- Serial flash In-Circuit Programming (ICP) and In-System Programming (ISP) capabilities.
Applications
The P89LPC931FDH,112 is suitable for a variety of applications that require high integration and low power consumption, such as industrial control systems, consumer electronics, automotive systems, and IoT devices. It is particularly useful in scenarios where space and cost are critical factors.
Q & A
- What is the core architecture of the P89LPC931FDH,112 microcontroller?
The P89LPC931FDH,112 is based on an accelerated two-clock 80C51 core. - What is the maximum clock frequency of the P89LPC931FDH,112?
The maximum clock frequency is 12 MHz. - How much flash memory does the P89LPC931FDH,112 have?
The microcontroller has 8 KB of flash memory. - What is the RAM capacity of the P89LPC931FDH,112?
The RAM capacity is 256 bytes. - What package type is the P89LPC931FDH,112 available in?
The microcontroller is available in a 28-TSSOP package. - What is the operating voltage range of the P89LPC931FDH,112?
The operating voltage range is 2.4 V to 3.6 V. - Does the P89LPC931FDH,112 have an internal oscillator option?
Yes, it has a high-accuracy internal RC oscillator option that is selectable and fine tunable. - What communication interfaces does the P89LPC931FDH,112 support?
The microcontroller supports UART, I2C-bus, and SPI communication ports. - Can the P89LPC931FDH,112 be programmed in-system?
Yes, it supports Serial flash In-System Programming (ISP). - What are some typical applications for the P89LPC931FDH,112?
Typical applications include industrial control systems, consumer electronics, automotive systems, and IoT devices.
