32182 datasheet(7/755 Pages) RENESAS

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6.4 Registers Associated with the Internal Flash Memory ----------------------------------------------------------- 6-5

6.4.1

Flash Mode Register ------------------------------------------------------------------------------------------ 6-5

6.4.2

Flash Status Registers ---------------------------------------------------------------------------------------- 6-6

6.4.3

Flash Status Register 2 (FSTAT2) ------------------------------------------------------------------------- 6-6

6.4.4

Flash Control Registers --------------------------------------------------------------------------------------- 6-8

6.4.5

Virtual Flash S Bank Registers ----------------------------------------------------------------------------- 6-12

6.5 Programming the Internal Flash Memory ---------------------------------------------------------------------------- 6-13

6.5.1

Outline of Internal Flash Memory Programming -------------------------------------------------------- 6-13

6.5.2

Controlling Operation Modes during Flash Programming -------------------------------------------- 6-18

6.5.3

Procedure for Programming/Erasing the Internal Flash Memory ---------------------------------- 6-21

6.5.4

Flash Programming Time (Reference) -------------------------------------------------------------------- 6-30

6.6 Virtual Flash Emulation Function -------------------------------------------------------------------------------------- 6-31

6.6.1

Virtual Flash Emulation Area -------------------------------------------------------------------------------- 6-32

6.6.2

Entering Virtual Flash Emulation Mode ------------------------------------------------------------------- 6-35

6.6.3

Application Example of Virtual Flash Emulation Mode ------------------------------------------------ 6-36

6.7 Connecting to A Serial Programmer ---------------------------------------------------------------------------------- 6-38

6.8 Internal Flash Memory Protect Function ----------------------------------------------------------------------------- 6-40

6.9 Precautions To Be Taken when Rewriting the Internal Flash Memory -------------------------------------- 6-41

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 at Entering RAM Backup Mode -------------------------------------------------------------------- 7-3

7.2.4

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

7.3 Internal State Immediately after Reset ------------------------------------------------------------------------------- 7-4

7.4 Things to Be Considered after 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 ---------------------------------------------------------------------------------- 8-5

8.3.1

Port Data Registers -------------------------------------------------------------------------------------------- 8-7

8.3.2

Port Direction Registers -------------------------------------------------------------------------------------- 8-8

8.3.3

Port Operation Mode Registers ----------------------------------------------------------------------------- 8-9

8.3.4

Port Peripheral Output Select Registers ------------------------------------------------------------------ 8-20

8.3.5

Port Input Special Function Control Register ------------------------------------------------------------ 8-21

8.4 Port Input Level Switching Function ---------------------------------------------------------------------------------- 8-24

8.5 Port Peripheral Circuits -------------------------------------------------------------------------------------------------- 8-27

8.6 Precautions on Input/Output Ports ------------------------------------------------------------------------------------ 8-31

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