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SAF-C161PI Datasheet(PDF) 5 Page - Infineon Technologies AG

Part # SAF-C161PI
Description  16-Bit Single-Chip Microcontroller
Download  400 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

SAF-C161PI Datasheet(HTML) 5 Page - Infineon Technologies AG

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C161PI
Table of Contents
Page
User’s Manual
-1
1999-08
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.1
The Members of the 16-bit Microcontroller Family . . . . . . . . . . . . . . . . . . 1-2
1.2
Summary of Basic Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.3
Abbreviations
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
2
Architectural Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.1
Basic CPU Concepts and Optimizations
. . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.1.1
High Instruction Bandwidth / Fast Execution . . . . . . . . . . . . . . . . . . . . . 2-3
2.1.2
Programmable Multiple Priority Interrupt System . . . . . . . . . . . . . . . . . 2-7
2.2
The On-chip System Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.3
The On-chip Peripheral Blocks
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.4
Power Management Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.5
Protected Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
3
Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1
Internal ROM Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.2
Internal RAM and SFR Area
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.3
The On-Chip XRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
3.4
External Memory Space
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3.5
Crossing Memory Boundaries
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
4
The Central Processing Unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1
Instruction Pipelining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.2
Particular Pipeline Effects
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.3
Bit-Handling and Bit-Protection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.4
Instruction State Times
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
4.5
CPU Special Function Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
5
Interrupt and Trap Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1
Interrupt System Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.1.1
Interrupt Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5.2
Operation of the PEC Channels
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.3
Prioritization of Interrupt and PEC Service Requests . . . . . . . . . . . . . . . 5-15
5.4
Saving the Status during Interrupt Service . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.5
Interrupt Response Times
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.6
PEC Response Times
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
5.7
Interrupt Node Sharing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
5.8
External Interrupts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
5.9
Trap Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
6
Clock Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.1
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6.2
Frequency Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6.3
Oscillator Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8


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