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S87C752-1A28 from S

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S87C752-1A28

Manufacturer: S, NXP, Signetics, PHI

80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8 bit A/D, I2C, PWM, low pin count
Partnumber Manufacturer Quantity Availability
S87C752-1A28,S87C7521A28 S, NXP, Signetics, PHI 2499 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 S87C752-1A28 is a microcontroller manufactured by NXP. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** NXP  
- **Core:** 80C51  
- **Operating Frequency:** Up to 12 MHz  
- **Program Memory (ROM):** 8 KB (OTP - One-Time Programmable)  
- **RAM:** 256 bytes  
- **I/O Ports:** 32 (4 x 8-bit)  
- **Timers:** Two 16-bit timers  
- **Interrupts:** 6 interrupt sources  
- **Serial Communication:** UART (Full-duplex)  
- **ADC:** None  
- **PWM:** None  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** PLCC-28  

### **Descriptions:**
- The S87C752-1A28 is an 8-bit microcontroller based on the 80C51 architecture.  
- It is designed for embedded control applications with OTP program memory.  
- Suitable for cost-sensitive applications requiring moderate processing power.  

### **Features:**
- 80C51 core with 12 MHz operation  
- 8 KB OTP program memory  
- 256 bytes of internal RAM  
- Four 8-bit I/O ports  
- Two 16-bit timer/counters  
- Full-duplex UART for serial communication  
- Six interrupt sources with two priority levels  
- Power-saving idle and power-down modes  
- Wide operating voltage range (4.5V to 5.5V)  
- 28-pin PLCC package  

This information is strictly based on the available knowledge base. No additional guidance or suggestions are provided.

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

  • P87C752-1A28 --: Same 8051-based microcontroller family with matching speed grade and package, direct functional equivalent from the original Philips/NXP line.
  • AT89C4051-24SU --: Pin-compatible 8051 core MCU with similar I/O and memory resources, widely available and suitable as a drop-in replacement in most designs.
  • STC89C52RC-40I-PDIP --: Cost-effective 8051-compatible MCU with larger program memory and similar peripheral set, usable when minor firmware adaptation is acceptable.
  • AT89C4051-24PU --: Pin-compatible 8051-core microcontroller with 4KB flash, similar I/O and peripherals, widely used as a drop-in replacement for small 8051 devices.
  • P89LPC922FDH --: NXP 8051-compatible microcontroller with comparable I/O count and on-chip peripherals, suitable for designs migrating from the S87C752.
  • AT89C4051-12PU --: 8051-compatible microcontroller with similar on-chip resources and 4KB flash, usable as a functional substitute in many 87C752 designs.
  • TMP87C752F --: CMOS 8-bit microcontroller from the same 87C752 family lineage, offering comparable core and peripheral set for replacement consideration.
  • DS89C430-MNL --: High-speed 8051-compatible microcontroller that can replace legacy Philips 87C752 parts in many designs, offering faster execution and similar peripheral set.

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