welcher Controller ist der kleinste mit C166 Kern?

Welcher der kleinste ist, weiß ich nicht.
Schau dir aber mal den Infineon C161S an.

Zitat der Infineon Homepage:
- High Performance 16-bit CPU with 4-Stage Pipeline
- 16 MBytes Total Linear Address Space for Code and Data
- 2 kBytes On-Chip Special Function Register Area
- Clock Generation via on-chip PLL (factors 1:1.5/2/2.5/3/4/5), via
  prescaler or via direct clock input
- 2 Kbytes On-Chip Internal RAM (IRAM)
- Two Multi-Functional General Purpose Timer Units with 5 Timers
- Two Serial Channels (Synchronous/Asynchronous and High-Speed
  Synchronous)
- On-Chip Real Time Clock
- Idle and Power Down Modes with Flexible Power Management
- Programmable Watchdog Timer and Oscillator Watchdog
- Up to 63 General Purpose I/O Lines
- 80-Pin MQFP Package