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SAB-C161PI-LF3VCA-SAB-C161PI-LFCA-SAB-C161PI-LM3VCA-SAB-C161PI-LMCA
16-Bit Microcontrollers
Microcontrollers
C166 Family
16-Bit Single-Chip Microcontroller
C161PI
Data Sheet1999-07Preliminary
The C161PI is the successor of the C161RI. Therefore this data sheet also replaces the C161RIdata sheet (see also revision history).
High Performance 16-bit CPU with 4-Stage Pipeline80 ns Instruction Cycle Time at 25MHz CPU Clock400 ns Multiplication (16 × 16 bit), 800 ns Division (32 / 16 bit)Enhanced Boolean Bit Manipulation FacilitiesAdditional Instructions to Support HLL and Operating SystemsRegister-Based Design with Multiple Variable Register BanksSingle-Cycle Context Switching Support16 MBytes Total Linear Address Space for Code and Data1024 Bytes On-Chip Special Function Register Area16-Priority-Level Interrupt System with 27 Sources, Sample-Rate down to 40 ns8-Channel Interrupt-Driven Single-Cycle Data Transfer Facilities viaPeripheral 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 Modules1 KByte On-Chip Internal RAM (IRAM)2 KBytes On-Chip Extension RAM (XRAM)On-Chip Peripheral Modules4-Channel 10-bit A/D Converter with Programm. Conversion Time down to 7.8 μsTwo Multi-Functional General Purpose Timer Units with 5 TimersTwo Serial Channels (Synchronous/Asynchronous and High-Speed-Synchronous)2C Bus Interface (10-bit Addressing, 400 KHz) with 2 Channels (multiplexed)Up to 8 MBytes External Address Space for Code and DataProgrammable External Bus Characteristics for Different Address RangesMultiplexed or Demultiplexed External Address/Data Buses with 8-Bit or 16-Bit
Data Bus WidthFive Programmable Chip-Select SignalsIdle and Power Down Modes with Flexible Power ManagementProgrammable Watchdog Timer and Oscillator WatchdogOn-Chip Real Time ClockUp to 76 General Purpose I/O Lines,
partly with Selectable Input Thresholds and HysteresisSupported by a Large Range of Development Tools like C-Compilers,
Macro-Assembler Packages, Emulators, Evaluation Boards, HLL-Debuggers,
Simulators, Logic Analyzer Disassemblers, Programming BoardsOn-Chip Bootstrap Loader100-Pin MQFP / TQFP Package
C166 Family ofC161PI
High-Performance CMOS 16-Bit Microcontrollers
Preliminary
C161PI 16-Bit Microcontroller
This document describes the SAB-C161PI-LM, the SAB-C161PI-LF, the SAF-C161PI-
LM and the SAF-C161PI-LF.For simplicity all versions are referred to by the term C161PI throughout this document.
Ordering InformationThe ordering code for Infineon microcontrollers provides an exact reference to the
required product. This ordering code identifies:the derivative itself, i.e. its function setthe specified temperature rangethe packagethe type of delivery.
For the available ordering codes for the C161PI please refer to the
„Product Catalog Microcontrollers“, which summarizes all available microcontroller
variants.
Note:The ordering codes for Mask-ROM versions are defined for each product after
verification of the respective ROM code.
IntroductionThe C161PI is a derivative of the Infineon C166 Family of 16-bit single-chip CMOS
microcontrollers. It combines high CPU performance (up to 8 million instructions per
second) with high peripheral functionality and enhanced IO-capabilities. The C161PI
derivative is especially suited for cost sensitive applications.
Figure1Logic Symbol
