32186 datasheet(8/1032 Pages) RENESAS

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Contents-3

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

CHAPTER 6 INTERNAL MEMORY

6.1 Outline of Internal Memory ................................................................................................................. 6-2

6.2 Internal RAM ...................................................................................................................................... 6-2

6.3 Internal RAM Protect Function ........................................................................................................... 6-2

6.4 Internal Flash Memory ........................................................................................................................ 6-11

6.5 Registers Associated with Internal Flash Memory .............................................................................. 6-14

6.5.1 Flash Mode Register .................................................................................................................. 6-15

6.5.2 Flash Status Register ................................................................................................................. 6-16

6.5.3 Flash Control Registers .............................................................................................................. 6-17

6.5.4 Virtual Flash L Bank Registers ................................................................................................... 6-24

6.6 Programming Internal Flash Memory ................................................................................................. 6-25

6.6.1 Outline of Internal Flash Memory Programming ......................................................................... 6-25

6.6.2 Controlling Operation Modes during Flash Programming .......................................................... 6-31

6.6.3 Procedure for Programming/Erasing Internal Flash Memory ..................................................... 6-35

6.6.4 Flash Programming Time (Reference) ....................................................................................... 6-43

6.7 Virtual Flash Emulation Function ........................................................................................................ 6-44

6.7.1 Virtual Flash Emulation Area ...................................................................................................... 6-46

6.7.2 Entering Virtual Flash Emulation Mode ...................................................................................... 6-49

6.8 Connecting to Serial Programmer (CSIO Mode) ................................................................................ 6-50

6.9 Connecting to Serial Programmer (UART Mode) ............................................................................... 6-52

6.10 Internal Flash Memory Protect Function .......................................................................................... 6-54

6.11 Notes on Internal RAM ..................................................................................................................... 6-55

6.12 Notes on Internal Flash Memory ...................................................................................................... 6-55

CHAPTER 7 RESET

7.1 Outline of Reset ................................................................................................................................. 7-2

7.2 Reset Operation ................................................................................................................................. 7-2

7.2.1 Reset at Power-on ..................................................................................................................... 7-3

7.2.2 Reset during Operation .............................................................................................................. 7-3

7.2.3 Reset Vector Relocation during Flash Programming ................................................................. 7-3

7.3 Internal State upon Exiting Reset ....................................................................................................... 7-4

7.4 Things to Be Considered upon Exiting Reset ..................................................................................... 7-4

CHAPTER 8 INPUT/OUTPUT PORTS AND PIN FUNCTIONS

8.1 Outline of Input/Output Ports .............................................................................................................. 8-2

8.2 Selecting Pin Functions ...................................................................................................................... 8-3

8.3 Input/Output Port Related Registers .................................................................................................. 8-9

8.3.1 Port Data Registers .................................................................................................................... 8-12

8.3.2 Port Direction Registers ............................................................................................................. 8-13

8.3.3 Port Operation Mode and Port Peripheral Function Select Registers ........................................ 8-14

8.3.4 Port Input Special Function Control Register ............................................................................. 8-29

8.4 Port Input Level Switching Function ................................................................................................... 8-32

8.5 Port Output Drive Capability Setting Function .................................................................................... 8-34

8.6 Noise Canceller Control Function ....................................................................................................... 8-37

8.7 Port Peripheral Circuits ...................................................................................................................... 8-39

8.8 Notes on Input/Output Ports ............................................................................................................... 8-44

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