Embedded

Programming embedded systems: event-driven programming

In this lesson, you will learn the main concepts behind event-driven programming, which, after object-oriented programming, is another fundamental stepping stone in understanding modern embedded ...
Embedded

Programming embedded systems: what is a state machine?

This installment starts a new segment of lessons about state machines. The subject conceptually continues the event-driven theme and is one of my favorites [1,2]. Today, you’ll learn what event-driven ...
Electronic Design

Embedded: 33-MIPS 8051 Offers In-Application Flash Programming

The DS89C4x0 single-cycle 8051 processors come with flash memories up to 64 kbytes. They can be programmed by an application. The devices also include two full-duplex UARTs, 13 interrupt sources with ...
EDN

In-System Programming Using an Embedded Microcontroller

Xilinx high-performance CPLD, FPGA, and configuration PROM families provide in-system programmability, reliable pin locking, and IEEE Std 1149.1 (JTAG) boundary-scan test capability. This powerful ...
Electronic Design

Embedded: Single-Cycle 8051 Speeds Legacy Applications

The venerable 8051 gets a leg up with the 20-MHz AT89LP family, which is pin-compatible with the AT89C family. The AT89LP has a wide operating voltage range of 2.0 to 5.5 V. Peripherals include a ...
EDN

Password Based Door Locking System Using 8051

This is a simple password based door locking system circuit designed using 8051 microcontroller. It provides control to the actuating the load. It is a simple embedded system with input from the ...