The microcontroller uses Charlieplexing, a method of using I/O lines to drive as many as N× (N–1) LEDs, to drive 20 LEDs with only five I/O pins (references 2 through 4). Figure 1 Based on a low-cost ...

The 87C551Mx2 microcontroller family breaks the 64 KB barrier for 8-bit 80C51 controllers by supporting up to 16 MB of on-chip linear addressable memory.

100% instruction-set-compatible with the MCS8051 microcontroller, the devices are fully supported by the Keil Software 8051 C compiler and uVision 2 IDE as well as Domain Technologies BoxView ...

Many microcontroller units include an internal analog-to-digital converter (ADC). For instance, most of Motorola's M68HC11 family members have an analog-to-digital subsystem, ...

8051 IP Cores About the 8051-Compatible MCU Family The 8051-Compatible Microcontroller IP Cores Family available from CAST is a cost-effective range of MCS-51 conforming 8- and 16-bit microcontrollers ...