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C515C-8R Datasheet(PDF) 7 Page - Siemens Semiconductor Group

Part # C515C-8R
Description  8-Bit CMOS Microcontroller
Download  268 Pages
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Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

C515C-8R Datasheet(HTML) 7 Page - Siemens Semiconductor Group

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Semiconductor Group
I-4
1997-11-01
Table of Contents
Page
General Information
C515C
8
Fail Safe Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.1
Programmable Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.1.1
Input Clock Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.1.2
Watchdog Timer Control / Status Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8.1.3
Starting the Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
8.1.3.1
The First Possibility of Starting the Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . 8-4
8.1.3.2
The Second Possibility of Starting the Watchdog Timer. . . . . . . . . . . . . . . . . . . . . . 8-4
8.1.4
Refreshing the Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
8.1.5
Watchdog Reset and Watchdog Status Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
8.2
Oscillator Watchdog Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
9
Power Saving Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1
Power Saving Mode Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.2
Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
9.3
Slow Down Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
9.4
Software Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
9.4.1
Invoking Software Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
9.4.2
Exit from Software Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
9.5
State of Pins in Software Initiated Power Saving Modes . . . . . . . . . . . . . . . . . . . . . 9-8
9.6
Hardware Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.7
Hardware Power Down Reset Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
9.8
CPUR Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15
10
OTP Memory Operation (C515C-8E only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.1
Programming Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.2
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.3
Pin Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.4
Programming Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10.4.1
Basic Programming Mode Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10.4.2
OTP Memory Access Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10.5
Program / Read OTP Memory Bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7
10.6
Lock Bits Programming / Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
10.7
Access of Version Bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
11
Device Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.1
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.2
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11.3
A/D Converter Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
11.4
AC Characteristics for C515C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11.5
OTP Memory Programming Mode Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 11-14
11.6
ROM/OTP Verification Characteristics for C515C-8R / C515C-8E . . . . . . . . . . 11-18
11.7
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21
12
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1


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