Datasheet

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

– 80 ns Instruction Cycle Time at 25 MHz CPU Clock

– 400 ns Multiplication (16 × 16 bit), 800 ns Division (32 / 16 bit)

– Enhanced Boolean Bit Manipulation Facilities

– Additional Instructions to Support HLL and Operating Systems

– Register-Based Design with Multiple Variable Register Banks

– Single-Cycle Context Switching Support

– 16 MBytes Total Linear Address Space for Code and Data

– 1024 Bytes On-Chip Special Function Register Area

• 16-Priority-Level Interrupt System with 27 Sources, Sample-Rate down to 40 ns

• 8-Channel Interrupt-Driven Single-Cycle Data Transfer Facilities via

Peripheral Event Controller (PEC)

• Clk. Generation via on-chip PLL (1:1.5/2/2.5/3/4/5), via prescaler or via direct clk. inp.

• On-Chip Memory Modules

– 1 KByte On-Chip Internal RAM (IRAM)

– 2 KBytes On-Chip Extension RAM (XRAM)

• On-Chip Peripheral Modules

– 4-Channel 10-bit A/D Converter with Programm. Conversion Time down to 7.8 µs

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

– Two Serial Channels (Synchronous/Asynchronous and High-Speed-Synchronous)

–I

C Bus Interface (10-bit Addressing, 400 KHz) with 2 Channels (multiplexed)

• Up to 8 MBytes External Address Space for Code and Data

– Programmable External Bus Characteristics for Different Address Ranges

– Multiplexed or Demultiplexed External Address/Data Buses with 8-Bit or 16-Bit

Data Bus Width

– Five Programmable Chip-Select Signals

• Idle and Power Down Modes with Flexible Power Management

• Programmable Watchdog Timer and Oscillator Watchdog

• On-Chip Real Time Clock

• Up to 76 General Purpose I/O Lines,

partly with Selectable Input Thresholds and Hysteresis

• Supported by a Large Range 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 MQFP / TQFP Package

Data Sheet 1 1999-07

C166 Family of C161PI

High-Performance CMOS 16-Bit Microcontrollers

Preliminary

C161PI 16-Bit Microcontroller