C166 Family of High-Performance CMOS 16-Bit Microcontrollers

Preliminary
C161PI 16-Bit Microcontroller

• 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)
    – I2C 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