Name: Renesas M32R/ECU Series
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16-5

WAIT CONTROLLER

32180 Group User’s Manual (Rev.1.0)

16.2 Wait Controller Related Registers

Table 16.2.1 RECOV Bit and IDLE Bit Settings and the Number of Idle Cycles Inserted

RECOV IDLE Read (Followed by Write) Read (Followed by Read) Write

00 1 0 0

01 1 1 0

10 0 0 0

11 1 1 0

Note: • Under each of the above conditions, no recovery cycle is inserted when RECOV bit = 0, and one recovery cycle is

inserted when RECOV bit = 1.

Default Chapter4
- Revision History4
- Before Use5
- Table of Contents6
Chapter 1 Overview18
- Outline of the 32180 Group18
- Block Diagram22
- Pin Functions25
- Pin Assignments31
Chapter 2 Cpu38
- CPU Registers38
- General-Purpose Registers38
- Control Registers38
- Accumulator44
- Program Counter44
- Data Formats45
  - Data Types45
- Supplementary Explanation for BSET, BCLR, LOCK and UNLOCK Instruction Execution51
- Precautions on CPU51
Chapter 3 Address Space52
- Outline of the Address Space52
- Operation Modes56
- Internal ROM and Extended External Areas56
  - Internal ROM Area56
  - Extended External Area56
- Internal RAM and SFR Areas57
  - Internal RAM Area57
  - SFR (Special Function Register) Area57
- EIT Vector Entry86
- ICU Vector Table87
- Notes on Address Space89
Chapter 4 Eit90
- Outline of EIT90
- EIT Events92
- EIT Processing Procedure95
- EIT Processing Mechanism96
- Acceptance of EIT Events97
- Saving and Restoring the PC and PSW97
- Exception Processing100
- Interrupt Processing104
- Trap Processing107
  - Trap107
- EIT Priority Levels108
- Example of EIT Processing109
- Precautions on EIT111
Chapter 5 Interrupt Controller (Icu)112
- Outline of the Interrupt Controller112
- ICU Related Registers112
- Interrupt Request Sources in Internal Peripheral I/O122
- ICU Vector Table123
- Description of Interrupt Operation124
  - Acceptance of Internal Peripheral I/O Interrupts124
  - Processing by Internal Peripheral I/O Interrupt Handlers126
- Description of System Break Interrupt (SBI) Operation129
  - Acceptance of SBI129
  - SBI Processing by Handler129
Chapter 6 Internal Memory130
- Outline of the Internal Memory130
- Internal RAM130
- Internal Flash Memory131
- Registers Associated with the Internal Flash Memory133
- Programming the Internal Flash Memory141
- Virtual Flash Emulation Function159
- Connecting to a Serial Programmer165
- Internal Flash Memory Protect Function167
- Precautions to be Taken When Rewriting the Internal Flash Memory168
Chapter 7 Reset170
- Outline of Reset170
- Reset Operation170
- Internal State Immediately after Reset173
- Things to be Considered after Reset173
Chapter 8 Input/Output Ports and Pin Functions174
- Outline of Input/Output Ports174
- Selecting Pin Functions174
- Input/Output Port Related Registers174
- Port Input Level Switching Function197
- Port Peripheral Circuits200
- Precautions on Input/Output Ports204
Chapter 9 Dmac206
- Outline of the DMAC206
- DMAC Related Registers206
- Functional Description of the DMAC232
- Precautions about the DMAC243
Chapter 10 Multijunction Timers244
- Outline of Multijunction Timers244
- Common Units of Multijunction Timers244
- TOP (Output-Related 16-Bit Timer)307
- TIO (Input/Output-Related 16-Bit Timer)337
- TMS (Input-Related 16-Bit Timer)369
- TML (Input-Related 32-Bit Timer)375
- TID (Input-Related 16-Bit Timer)381
- TOU (Output-Related 24-Bit Timer)393
Chapter 11 A-D Converters446
- Outline of A-D Converters446
- A-D Converter Related Registers458
- Functional Description of A-D Converters478
- Inflow Current Bypass Circuit486
- Precautions on Using A-D Converters488
Chapter 12 Serial I/O492
- Outline of Serial I/O492
- Serial I/O Related Registers492
- Transmit Operation in CSIO Mode515
- Receive Operation in CSIO Mode523
- Precautions on Using CSIO Mode530
- Transmit Operation in UART Mode531
- Receive Operation in UART Mode539
- Fixed Period Clock Output Function546
- Precautions on Using UART Mode547
Chapter 13 Can Module548
- Outline of the CAN Module548
- CAN Module Related Registers548
- CAN Protocol619
- Initializing the CAN Module622
- Transmitting Data Frames625
- Receiving Data Frames628
- Transmitting Remote Frames633
- Receiving Remote Frames638
  - Remote Frame Receive Procedure638
  - Remote Frame Receive Operation639
- Precautions about CAN Module642
Chapter 14 Real Time Debugger (Rtd)644
- Outline of the Real-Time Debugger (RTD)644
- Pin Functions of the RTD644
- Functional Description of the RTD644
- Typical Connection with the Host654
Chapter 15 External Bus Interface656
- Outline of the External Bus Interface656
  - External Bus Interface Related Signals657
- External Bus Interface Related Registers659
- Read/Write Operations665
- Bus Arbitration671
- Typical Connection of External Extension Memory673
- Example of Bus Voltage Settings Using VCC-BUS676
Chapter 16 Wait Controller678
- Outline of the Wait Controller678
- Wait Controller Related Registers678
  - CS Area Wait Control Registers681
- Typical Operation of the Wait Controller683
Chapter 17 Ram Backup Mode704
- Outline of RAM Backup Mode704
- Example of RAM Backup When Power Is down704
  - Normal Operating State706
  - RAM Backup State707
- Example of RAM Backup for Saving Power Consumption708
- Exiting RAM Backup Mode (Wakeup)711
Chapter 18 Oscillator Circuit712
- Oscillator Circuit712
- Clock Generator Circuit719
Chapter 19 Jtag720
- Outline of JTAG720
- Configuration of the JTAG Circuit720
- JTAG Registers723
  - Instruction Register (JTAGIR)723
  - Data Register724
- Basic Operation of JTAG725
- Boundary Scan Description Language730
- Notes on Board Design When Connecting JTAG731
- Processing Pins When Not Using JTAG733
Chapter 20 Power Supply Circuit734
- Configuration of the Power Supply Circuit734
- Power-On Sequence734
  - Power-On Sequence When Not Using RAM Backup736
  - Power-On Sequence When Using RAM Backup737
- Power-Off Sequence738
  - Power-Off Sequence When Not Using RAM Backup738
  - Power-Off Sequence When Using RAM Backup739
Chapter 21 Electrical Characteristics742
- Absolute Maximum Ratings742
- Electrical Characteristics When VCCE = 5 V, F(XIN) = 10 Mhz744
- Electrical Characteristics When VCCE = 5 V, F(XIN) = 8 Mhz748
- Electrical Characteristics When VCCE = 3.3 V, F(XIN) = 10 Mhz752
- Electrical Characteristics When VCCE = 3.3 V, F(XIN) = 8 Mhz756
- Flash Memory Related Characteristics760
- Characteristics (When VCCE = 5 V)761
- Characteristics (When VCCE = 3.3 V)768
Chapter 22 Typical Characteristics794
- To be Written at a Later Time795
Appendix 1 Mechanical Specificaitons796
Appendix 1.1 Dimensional Outline Drawing796

Renesas M32R/ECU Series User Manual

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Brand	Renesas
Model	M32R/ECU Series
Category	Computer Hardware
Language	English