Overview
The P89LPC952FA is an 8-bit microcontroller from NXP USA Inc., based on a high-performance 80C51 core architecture. This microcontroller executes instructions in two to four clocks, which is six times the rate of standard 80C51 devices. It is designed to integrate various system-level functions, thereby reducing component count, board space, and overall system cost. The P89LPC952FA is available in 44-pin and 48-pin packages, making it versatile for different application needs.
Key Specifications
| Specification | Details |
|---|---|
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 18 MHz |
| Program Memory Size | 8 KB (8K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 256-byte data memory + 256-byte auxiliary on-chip RAM |
| Voltage - Supply (Vcc/Vdd) | 2.4 V ~ 3.6 V |
| Data Converters | 8-input multiplexed 10-bit ADC |
| Oscillator Type | Internal, configurable on-chip oscillator |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 44-LCC (J-Lead), PLCC44 |
| Connectivity | I²C, SPI, UART/USART |
| Number of I/O | 40 |
Key Features
- High-performance 80C51 CPU executing instructions in two to four clocks.
- 8 kB/16 kB byte-erasable flash code memory with single-byte erasing capability.
- 256-byte RAM data memory and a 256-byte auxiliary on-chip RAM.
- 8-input multiplexed 10-bit ADC with window comparator and interrupt generation.
- 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.
- In-Application Programming (IAP) of the flash code memory.
- Low voltage (brownout) detect and power-on reset.
- Idle and two different power-down reduced power modes.
- Programmable external reset pin and configurable on-chip oscillator.
- Four interrupt priority levels and eight keypad interrupt inputs.
- Schmitt trigger port inputs and controlled slew rate port outputs to reduce EMI.
Applications
- Motor control
- Consumer electronics
- Industrial control & automation
Q & A
- What is the core architecture of the P89LPC952FA microcontroller?
The P89LPC952FA is based on a high-performance 80C51 core architecture. - What is the maximum operating speed of the P89LPC952FA?
The maximum operating speed is 18 MHz. - What types of memory does the P89LPC952FA have?
The P89LPC952FA has 8 kB/16 kB byte-erasable flash code memory, 256-byte RAM data memory, and a 256-byte auxiliary on-chip RAM. - What is the operating voltage range of the P89LPC952FA?
The operating voltage range is 2.4 V to 3.6 V. - Does the P89LPC952FA support in-application programming?
Yes, it supports In-Application Programming (IAP) of the flash code memory. - What are the power-saving features of the P89LPC952FA?
The P89LPC952FA has idle and two different power-down reduced power modes, with a typical power-down current of 1 µA. - What types of communication interfaces does the P89LPC952FA support?
The P89LPC952FA supports I²C, SPI, and UART/USART interfaces. - What is the temperature range for the P89LPC952FA?
The operating temperature range is -40°C to +85°C. - What are the package options for the P89LPC952FA?
The P89LPC952FA is available in 44-pin and 48-pin packages, including PLCC44 and LQFP44. - Does the P89LPC952FA have any analog-to-digital conversion capabilities?
Yes, it has an 8-input multiplexed 10-bit ADC with window comparator.
