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Introduction

The SAB 80C166W/83C166W is a representative of the Siemens SAB 80C166 family of full featured single-chip CMOS microcontrollers. It combines high CPU performance (up to 10 million instructions per second) with high peripheral functionality and enhanced IO-capabilities. These devices derive the CPU clock signal (operating clock) directly from the on-chip oscillator without using a prescaler. This reduces the device’s EME.

Preliminary

SAB 80C166W/83C166W / 83C166W 16-Bit Microcontroller

● High Performance 16-bit CPU with 4-Stage Pipeline

● 100 ns Instruction Cycle Time at 20 MHz CPU Clock

● 500 ns Multiplication (16 × 16 bits), 1 μs Division (32 / 16 bit)

● Enhanced Boolean Bit Manipulation Facilities

● Register-Based Design with Multiple Variable Register Banks

● Single-Cycle Context Switching Support

● Up to 256 KBytes Linear Address Space for Code and Data

● 1 KByte On-Chip RAM

● 32 KBytes On-Chip ROM (SAB 83C166W only)

● Programmable External Bus Characteristics for Different Address Ranges

● 8-Bit or 16-Bit External Data Bus

● Multiplexed or Demultiplexed External Address/Data Buses

● Hold and Hold-Acknowledge Bus Arbitration Support

● 512 Bytes On-Chip Special Function Register Area

● Idle and Power Down Modes

● 8-Channel Interrupt-Driven Single-Cycle Data Transfer Facilities via Peripheral Event Controller (PEC)

● 16-Priority-Level Interrupt System

● 10-Channel 10-bit A/D Converter with 9.7 μs Conversion Time

● 16-Channel Capture/Compare Unit

● Two Multi-Functional General Purpose Timer Units with 5 Timers

● Two Serial Channels (USARTs)

● Programmable Watchdog Timer

● Up to 76 General Purpose I/O Lines

● Direct clock input without prescaler

● Supported by a Wealth of Development Tools like C-Compilers, Macro-Assembler Packages, Emulators, Evaluation Boards, HLL-Debuggers, Simulators, Logic Analyzer Disassemblers, Programming Boards

● On-Chip Bootstrap Loader

● 100-Pin Plastic MQFP Package (EIAJ)