Overview
The P89LPC952FAB512 is a single-chip microcontroller from NXP USA Inc., designed with a high-performance processor architecture. It is part of the P89LPC952/954 series, which executes instructions in two to four clocks, significantly faster than standard 80C51 devices. This microcontroller is available in low-cost packages, making it an economical choice for various applications. It integrates many system-level functions to reduce component count, board space, and overall system cost.
Key Specifications
| Parameter | Value |
|---|---|
| Flash Code Memory | 8 kB (organized into 1 kB sectors and 64-byte pages) |
| RAM Data Memory | 256 bytes |
| Auxiliary On-chip RAM | 256 bytes |
| ADC | 8-input multiplexed 10-bit ADC with window comparator |
| Analog Comparators | Two analog comparators with selectable inputs and reference source |
| Counter/Timers | Two 16-bit counter/timers, 23-bit system timer (also usable as RTC) |
| Operating Temperature | -40 °C to +85 °C |
| Operating Frequency | 0 MHz to 18 MHz |
| Package Type | 44-pin PLCC |
| In-Application Programming | Yes, for flash code memory |
| Power Modes | Idle and two different power-down modes |
Key Features
- High-performance processor architecture executing instructions in two to four clocks, six times the rate of standard 80C51 devices
- 8 kB/16 kB byte-erasable flash code memory with single-byte erasing capability
- 256-byte RAM data memory and 256-byte auxiliary on-chip RAM
- 8-input multiplexed 10-bit ADC with window comparator and interrupt generation for in or out of range results
- 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 a real-time clock (RTC)
- In-Application Programming (IAP) of the flash code memory
- Low voltage (brownout) detect with optional interrupt configuration
- Idle and two different power-down modes with improved wake-up from power-down mode
- On-chip power-on reset and software reset function
- Programmable external reset pin configuration options
Applications
The P89LPC952FAB512 microcontroller is suitable for a wide range of applications, including industrial control systems, consumer electronics, automotive systems, and medical devices. Its integrated features such as the 10-bit ADC, analog comparators, and counter/timers make it particularly useful in applications requiring precise measurement and control. Additionally, its low power modes and in-application programming capabilities make it a versatile choice for battery-powered devices and systems that require frequent software updates.
Q & A
- What is the flash memory size of the P89LPC952FAB512?
The P89LPC952FAB512 has 8 kB of byte-erasable flash code memory. - What is the operating temperature range of the P89LPC952FAB512?
The operating temperature range is -40 °C to +85 °C. - Does the P89LPC952FAB512 support in-application programming?
Yes, it supports In-Application Programming (IAP) of the flash code memory. - What types of power modes are available on the P89LPC952FAB512?
The microcontroller has idle and two different power-down modes. - What is the resolution of the ADC on the P89LPC952FAB512?
The ADC is an 8-input multiplexed 10-bit ADC. - How many counter/timers does the P89LPC952FAB512 have?
The microcontroller has two 16-bit counter/timers and a 23-bit system timer. - What package types are available for the P89LPC952FAB512?
The microcontroller is available in a 44-pin PLCC package. - Does the P89LPC952FAB512 have on-chip power-on reset?
Yes, it has an on-chip power-on reset and a software reset function. - Can the external reset pin be configured?
Yes, the external reset pin (P1.5) can be configured in various modes. - What is the typical power-down current of the P89LPC952FAB512?
The typical power-down current is 1 µA (total power-down with voltage comparators disabled).
