Cypress FM4 Series - Page 112

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CHAPTER 2-2: Clock Gating

112 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E

Table of Contents

Default Chapter10
- Table of Contents10
CHAPTER 1: System Overview23
- Bus Architecture24
- Cortex-M4F Architecture32
  - Option Configuration35
- Mode36
CHAPTER 2-1: Clock37
- Clock Generation Unit Overview38
- Clock Generation Unit Configuration/Block Diagram39
- Clock Generation Unit Operations44
- Clock Setup Procedure Examples52
- List of Clock Generation Unit Registers58
- Clock Generation Unit Usage Precautions79
- CHAPTER 2-2: Peripheral Clock Gating81
- CHAPTER 2-3: High-Speed CR Trimming113
- CHAPTER 2-4: Low-Speed CR Prescaler131
CHAPTER 3: Clock Supervisor139
- Overview140
- Configurations and Block Diagrams141
- Explanation of Operations143
- Setup Procedure Examples144
- Operation Examples146
- Registers150
CHAPTER 4: Resets159
- Overview160
- Configuration161
- Explanation of Operations162
- Register172
  - Reset Factor Register (RST_STR: Reset Status Register)173
CHAPTER 5: Low-Voltage Detection175
- Overview176
- Configuration177
- Explanation of Operations178
- Setup Procedure Examples181
- Registers182
CHAPTER 6: Low Power Consumption Mode189
- Overview of Low Power Consumption Mode190
- Configuration of CPU Operation Modes195
- Operations in Standby Modes202
- Examples of Procedure for Setting Standby Mode215
- Operations in Deep Standby Modes219
  - Operations in Deep Standby RTC Mode221
  - Operations in Deep Standby Stop Mode223
- Examples of Procedure for Setting Deep Standby Mode225
- Procedure for Determining Factor for Returning from Deep Standby Mode227
- List of Low Power Consumption Mode Registers228
CHAPTER 7-1: VBAT Domain Configuration243
- Configuration244
- CHAPTER 7-2: VBAT Domain(A)245
  - Overview of VBAT Domain246
  - Configuration of VBAT Domain248
- CHAPTER 7-3: VBAT Domain(B)299
CHAPTER 8: Interrupts353
- Overview354
- Configuration354
- Lists of Interrupts358
- Registers382
CHAPTER 9: External Interrupt and NMI Control Sections437
- Overview438
- Block Diagram438
- Operations and Setting Procedure Examples439
Chapter 10: Dmac453
- Overview of DMAC454
- Configuration of DMAC455
Chapter 11: Dstc503
- Overview of DSTC504
- DSTC Operations Overview and DSTC System Configuration505
  - Operations Overview of DSTC505
  - DSTC and System Configuration507
- Functions and Operations of DSTC510
  - Settings of des511
- Examples of DSTC Operations and Control539
- Registers and Descriptors of DSTC556
CHAPTER 12: I/O Port581
- Overview582
- Configuration, Block Diagram, and Operation583
- Setup Procedure Example591
- Registers592
- Usage Precautions739
CHAPTER 13: CRC (Cyclic Redundancy Check)741
- Overview of CRC742
- CRC Operations743
  - CRC Calculation Sequence744
  - CRC Use Examples745
- CRC Registers749
CHAPTER 14: External Bus Interface755
- Overview of External Bus Interface756
- Block Diagram758
- Operations761
- Connection Examples794
- Setup Procedure Example799
- Registers803
CHAPTER 15: SD Card Interface841
- Overview of SD Card Interface842
- Registers843
- MMC Boot Operation908
  - Example of Controlling Alternative Boot Mode (Using ADMA)910
- MMC Wait IRQ912
  - Example of Controlling Wait IRQ912
- Sdclk914
CHAPTER 16: Debug Interface915
- Overview and Configuration916
- Pin Description917
CHAPTER 17: Flash Memory923
CHAPTER 18: Unique ID Register925
- Overview926
- Registers927
  - Unique ID Register 0 (UIDR0: Unique ID Register 0)928
  - Unique ID Register 1 (UIDR1: Unique ID Register 1)929
CHAPTER 19: Programmable CRC931
- Overview of the Programmable CRC932
  - Overview932
- Configuration and Operation of the Programmable CRC933
  - Configuration of the Programmable CRC933
  - Operation of the Programmable CRC934
- Methods for Controlling the Programmable CRC936
  - Control Flow for the Programmable CRC (During Input Data Transfer from CPU)936
  - Control Flow for the Programmable CRC (During Input Data DMA Transfer with DSTC)938
- Registers of the Programmable CRC940
- Example of the Programmable CRC Computing951
  - Computing Example 1951
  - Example of Computing 2953
Appendixes955
- Register Map956
  - Register Map958
  - Flash_If959
    - TYPE1-M4, TYPE2-M4 Products959
    - TYPE3-M4 Product960
- TYPE4-M4, TYPE5-M4, TYPE6-M4 Products961
- Unique ID962
- ECC Capture Address962
- Clock/Reset963
  - TYPE1-M4, TYPE2-M4 Products963
  - TYPE3-M4, TYPE4-M4, TYPE5-M4, TYPE6-M4 Products965
- Hw Wdt967
- Sw Wdt967
- Dual_Timer968
- Mft969
  - TYPE1-M4, TYPE2-M4 Products969
  - TYPE3-M4, TYPE4-M4, TYPE5-M4, TYPE6-M4 Products972
- Ppg975
- Base Timer978
- IO Selector for Base Timer979
- Qprc980
  - TYPE1-M4, TYPE2-M4, TYPE6-M4 Products980
  - TYPE3-M4, TYPE4-M4, TYPE5-M4 Products981
- Qprc Nf982
- A/DC983
- CR Trim984
- Exti985
  - TYPE1-M4, TYPE2-M4, TYPE3-M4, TYPE4-M4 Products985
  - TYPE5-M4, TYPE6-M4 Products985
- INT-Req. READ986
  - TYPE1-M4, TYPE2-M4, TYPE6-M4 Products986
  - TYPE3-M4, TYPE5-M4 Product992
  - TYPE4-M4 Product999
- D/Ac1006
- Hdmi-Cec1007
- Gpio1008
  - TYPE1-M4, TYPE2-M4, TYPE6-M4 Products1008
  - TYPE3-M4 Product1015
  - TYPE4-M4 Product1024
  - TYPE5-M4 Product1032
- Lvd1041
- Ds_Mode1041
- USB Clock1042
- Can_Prescaler1043
- Mfs1043
- Crc1045
- Watch Counter1045
- Rtc1046
  - TYPE1-M4, TYPE2-M4, TYPE3-M4, TYPE6-M4 Products1046
  - TYPE4-M4 Product1049
  - TYPE5-M4 Product1053
- Low-Speed CR Prescaler1054
- Peripheral Clock Gating1055
  - TYPE1-M1, TYPE2-M4 Products1055
  - TYPE3-M4, TYPE4-M4 Products1055
  - TYPE5-M4, TYPE6-M4 Products1056
  - B List of Notes1093
    - Notes When High-Speed CR Is Used for the Master Clock1094
  - C Major Changes1096
    - Major Changes1097
Revision History1101

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