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12CE519 Technical Summary

Overview

The 12CE519 is a member of the PIC12CE5XX family of 8-bit microcontrollers developed by Microchip Technology. This device is designed for embedded control applications, offering a compact yet powerful solution with integrated EEPROM, a real-time clock/counter, and a robust instruction set. The 12CE519 is particularly suited for applications requiring low power consumption, high performance, and reliable non-volatile data storage.

Features

The 12CE519 microcontroller includes the following key features:

8-bit RISC Architecture – High-performance CPU with a streamlined instruction set for efficient operation.
EEPROM Data Memory – Integrated Electrically Erasable Programmable Read-Only Memory for non-volatile data storage.
8-bit Real-Time Clock/Counter (TMR0) – Includes an 8-bit prescaler for flexible timing applications.
Low Power Consumption – Optimized for battery-operated and power-sensitive applications.
Wide Operating Voltage Range – Supports operation across varying supply voltages.
On-Chip Oscillator – Configurable for different clock modes, including RC oscillator options.
Compact Package Options – Available in small form factors for space-constrained designs.
In-Circuit Serial Programming (ICSP) – Allows for easy firmware updates without removing the device from the circuit.

Applications

The 12CE519 is well-suited for a variety of embedded control applications, including:

Consumer Electronics – Remote controls, smart sensors, and small appliances.
Industrial Automation – Sensor interfacing, motor control, and monitoring systems.
Automotive Systems – Simple control modules, dashboard displays, and peripheral controllers.
Medical Devices – Portable health monitors and diagnostic equipment.
IoT and Wearables – Low-power sensor nodes and edge computing devices.

Electrical Characteristics

Absolute Maximum Ratings

Supply Voltage (V_DD): -0.3V to +6.5V
Input Voltage (V_IN): -0.3V to V_DD + 0.3V
Operating Temperature Range: -40°C to +85°C (Industrial Grade)
Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

Supply Voltage (V_DD): 2.0V to 5.5V
Clock Frequency: 0Hz to 10MHz (DC to 10MHz operation)
I/O Pin Current (max): 25mA per pin, 100mA total

DC Characteristics

Power Consumption (Active Mode): Typically 1mA at 5V, 4MHz
Power Consumption (Sleep Mode): Typically 1µA at 3V
Input Leakage Current: ±1µA (max) at 5.5V
Output Drive Capability: High and low-level output currents compliant with standard CMOS/TTL levels.

AC Characteristics

Instruction Cycle Time: 1µs at 4MHz clock (4 clock cycles per instruction).
Timer0 Clock Input Frequency: DC to 50MHz (with external clock).
EEPROM Write Time: Typically 4ms per byte.

Package Information

The 12CE519 is available in multiple package options to accommodate different design requirements:

8-Pin PDIP (Plastic Dual In-Line Package) – Standard through-hole package for prototyping and general use.
8-Pin SOIC (Small Outline Integrated Circuit) – Surface-mount package for compact PCB designs.
8-Pin MSOP (Micro Small Outline Package) – Ultra-small form factor for space-constrained applications.

Pin Configuration (8-Pin PDIP/SOIC)

Pin 1: V_DD (Power Supply)
Pin 2: GP5/T1CKI (General Purpose I/O or Timer1 Clock Input)
Pin 3: GP4/OSC2 (General Purpose I/O or Oscillator Output)
Pin 4: GP3/MCLR (General Purpose I/O or Master Clear Reset)
Pin 5: GP2/T0CKI (General Purpose I/O or Timer0 Clock Input)
Pin 6: GP1 (General Purpose I/O)
Pin 7: GP0 (General Purpose I/O)
Pin 8: V_SS (Ground)

Development Support

Microchip provides comprehensive development tools for the 12CE519, including:

MPLAB® IDE – Integrated development environment for code writing, debugging, and simulation.
PICkit™ Programmers – Affordable in-circuit debuggers and programmers.
Third-Party Compiler Support – Compatibility with popular C compilers for embedded development.
Application Notes and Reference Designs – Extensive documentation to assist with design implementation.

Conclusion

The 12CE519 is a versatile and cost-effective microcontroller ideal for low-power, high-performance embedded applications. With its integrated EEPROM, flexible I/O, and robust development ecosystem, it provides a reliable solution for a wide range of electronic designs. Engineers can leverage its compact package options and efficient architecture to create optimized systems for consumer, industrial, and automotive markets.

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