7702 datasheet(10/217 Pages) RENESAS

10 / 217 page

Table of Contents

7702/7703 Group User’s Manual

8.3 A-D conversion method ..................................................................................................... 8-10

8.4 Absolute accuracy and differential non-linearity error .............................................. 8-12

8.4.1 Absolute accuracy ....................................................................................................... 8-12

8.4.2 Differential non-linearity error ..................................................................................... 8-13

8.5 One-shot mode .................................................................................................................... 8-14

8.5.1 Settings for one-shot mode ........................................................................................ 8-14

8.5.2 One-shot mode operation description ....................................................................... 8-16

8.6 Repeat mode ........................................................................................................................ 8-17

8.6.1 Settings for repeat mode ............................................................................................ 8-17

8.6.2 Repeat mode operation description .......................................................................... 8-19

8.7 Single sweep mode ............................................................................................................ 8-20

8.7.1 Settings for single sweep mode ................................................................................ 8-20

8.7.2 Single sweep mode operation description ................................................................ 8-22

8.8 Repeat sweep mode ........................................................................................................... 8-24

8.8.1 Settings for repeat sweep mode ............................................................................... 8-24

8.8.2 Repeat sweep mode operation description .............................................................. 8-26

8.9 Precautions when using A-D converter ......................................................................... 8-28

CHAPTER 9. WATCHDOG TIMER

9.1 Block description .................................................................................................................. 9-2

9.1.1 Watchdog timer .............................................................................................................. 9-3

9.1.2 Watchdog timer frequency select register .................................................................. 9-4

9.2 Operation description .......................................................................................................... 9-5

9.2.1 Basic operation .............................................................................................................. 9-5

9.2.2 Operation in Stop mode ............................................................................................... 9-7

9.2.3 Operation in Hold state ................................................................................................. 9-7

9.3 Precautions when using watchdog timer ........................................................................ 9-8

CHAPTER 10. STOP MODE

10.1 Clock generating circuit .................................................................................................. 10-2

10.2 Operation description ...................................................................................................... 10-3

10.2.1 Termination by interrupt request occurrence ......................................................... 10-4

10.2.2 Termination by hardware reset ................................................................................ 10-5

10.3 Precautions for Stop mode ............................................................................................ 10-6

CHAPTER 11. WAIT MODE

11.1 Clock generating circuit .................................................................................................. 11-2

11.2 Operation description ...................................................................................................... 11-3

11.2.1 Termination by interrupt request occurrence ......................................................... 11-4

11.2.2 Termination by hardware reset ................................................................................ 11-4

11.3 Precautions for Wait mode ............................................................................................. 11-5

CHAPTER 12. CONNECTION WITH EXTERNAL DEVICES

12.1 Signals required for accessing external devices ...................................................... 12-2

12.1.1 Descriptions of signals .............................................................................................. 12-2

12.1.2 Operation of bus interface unit (BIU) ..................................................................... 12-8

12.2 Software Wait ................................................................................................................... 12-11

12.3 Ready function ................................................................................................................ 12-13

12.3.1 Operation description .............................................................................................. 12-14

12.4 Hold function ................................................................................................................... 12-16

12.4.1 Operation description .............................................................................................. 12-17

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