The 8051 is alive and well. Cygnal Integrated Products has crammed a 25-MHz 8051 core, 8 kbytes of flash, and 256 bytes of data RAM into a tiny 11-pin, 3- by 3-mm (9 mm2) micro-lead package (MLP).

A low-noise (75 nV) 24-bit delta-sigma analog-to-digital converter (ADC) and quad 16-bit digital-to-analog converter (DAC) takes MCU analog to a new level. The MSC1210 family suits applications that ...