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S87C752-5A28 from NXP,NXP Semiconductors

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S87C752-5A28

Manufacturer: NXP, NEC

80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8 bit A/D, I2C, PWM, low pin count

Partnumber Manufacturer Quantity Availability
S87C752-5A28,S87C7525A28 NXP, NEC 561 In Stock

Description and Introduction

80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8 bit A/D, I2C, PWM, low pin count The S87C752-5A28 is a microcontroller manufactured by NXP. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** NXP  
- **Part Number:** S87C752-5A28  
- **Core:** 80C51  
- **Clock Speed:** Up to 12 MHz  
- **Program Memory (ROM):** 8 KB OTP (One-Time Programmable)  
- **RAM:** 256 bytes  
- **I/O Pins:** 32  
- **Timers:** Two 16-bit timers  
- **Interrupts:** Six interrupt sources with two priority levels  
- **Serial Communication:** UART (Universal Asynchronous Receiver/Transmitter)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** PLCC-44  

### **Descriptions:**
- The S87C752-5A28 is an enhanced 80C51-based microcontroller with OTP program memory.  
- It is designed for embedded control applications requiring reliable performance.  
- The microcontroller supports in-system programming (ISP) for easy firmware updates.  

### **Features:**
- **80C51 Core:** Fully compatible with the industry-standard 80C51 instruction set.  
- **On-Chip OTP ROM:** 8 KB of One-Time Programmable memory for code storage.  
- **256 Bytes of RAM:** For data storage and processing.  
- **32 Programmable I/O Lines:** Flexible interfacing with external devices.  
- **Two 16-bit Timers:** For precise timing and event counting.  
- **UART Serial Port:** Supports serial communication protocols.  
- **Six Interrupt Sources:** Two-level priority for efficient event handling.  
- **Low Power Modes:** Idle and Power-Down modes for reduced power consumption.  
- **Wide Operating Voltage:** 4.5V to 5.5V for stable operation.  

This information is based solely on the available knowledge base for the S87C752-5A28 microcontroller by NXP.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8 bit A/D, I2C, PWM, low pin count

Alternative Part Number

  • P87C752-5A28 --: Same 8051-family microcontroller in the same package and speed grade, differing only in ROM type (EPROM vs OTP), making it a direct functional substitute.
  • AT89C4051-24SU --: Pin-compatible 8051-core microcontroller with similar I/O and memory resources, widely used as a drop-in replacement in legacy 8-bit designs.
  • P89LPC922FDH --: NXP 8051-compatible microcontroller with comparable peripheral set and small footprint, suitable for designs migrating from the older S87C752 series.
  • DS89C430-MNL --: High-speed 8051-compatible microcontroller offering a superset of the original core features; suitable as a redesign alternative when supply of the NEC device is unavailable.

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