SAB80C517A-N18 datasheet(4/137 Pages) SIEMENS

Part #	SAB80C517A-N18

Description	8-Bit CMOS Single-Chip Microcontroller

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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4 / 137 page

80C517A/83C517A-5

Semiconductor Group

Contents

Page

1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

2

Fundamental Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

3

Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.1

Program Memory, ROM Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2

Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.3

Special Function Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

3.4

Architecture for the XRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

3.4.1

Accesses to XRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

3.4.2

Control of XRAM in the SAB 80C517A . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15

3.4.3

Behaviour of Port0 and Port2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

4

System Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.1

Additional Hardware Power Down Mode in the SAB 80C517A . . . . . . . . . . 4-1

4.2

Hardware Power Down Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4.3

Fast internal Reset after Power-On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

5

On-Chip Peripheral Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

5.1

Digital I/O Port Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

5.2

10-bit A/D-Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5.3

Additional Compare Mode for the Concurrent Compare Unit . . . . . . . . . . . 5-8

5.4

New Baud Rate Generators for Serial Channel 0 and Serial Channel 1 . . 5-14

5.4.1

Serial Channel 0 Baud Rate Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

5.4.2

Serial Channel 1 Baud Rate Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

5.5

Modified Oscillator Watchdog Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19

6

Interrupt System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

6.1

Additional Interrupt for Compare Registers CM0 to CM7 . . . . . . . . . . . . . . . 6-1

6.2

Interrupt Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

6.3

Priority Level Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

7

Device Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

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SAB80C517A-N18 Datasheet(PDF) 4 Page - Siemens Semiconductor Group

SAB80C517A-N18 Datasheet(HTML) 4 Page - Siemens Semiconductor Group

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