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PIC32CX-BZ3 and WBZ35x Family Data Sheet
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PIC32CX-BZ3
WBZ350
WBZ351
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11
Cortex M Cache Controller (CMCC)
11.6
Functional Description
Introduction
PIC32CX-BZ3
SoC Family Features
WBZ35x
Module Features
Acronyms and Abbreviations
1
Ordering Information
2
Configuration Summary
3
PIC32CX-BZ3
SoC Description
4
WBZ35x
Module Description
5
Pinout and Signal Descriptions List
6
I/O Ports and Peripheral Pin Select (PPS)
7
Power Subsystem
8
Product Memory Mapping Overview
9
Processor and Architecture
10
Prefetch Cache (PCHE)
11
Cortex M Cache Controller (CMCC)
11.1
Overview
11.2
Features
11.3
Block Diagram
11.4
Signal Description
11.5
Product Dependencies
11.6
Functional Description
11.6.1
Principle of Operation
11.6.2
Initialization and Normal Operation
11.6.3
Change Cache Size
11.6.4
Data Cache Disable
11.6.5
Instruction Cache Disable
11.6.6
Cache Load and Lock
11.6.7
Tightly Coupled Memory
11.6.8
Cache Maintenance
11.6.9
Cache Performance Monitoring
11.7
RAM Properties
11.8
Register Summary
11.9
Register Description
12
Secure Boot ROM
13
eFuse Controller
14
Security Features
15
Flash Controller (FC)
16
Device Service Unit (DSU)
17
Clock and Reset Unit (CRU)
18
Power Management Unit (PMU)
19
Watchdog Timer (WDT)
20
Deadman Timer (DMT)
21
RAM Error Correction Code (RAMECC)
22
System Configuration and Register Locking (CFG)
23
Peripheral Module Disable (PMD)
24
Peripheral Access Controller (PAC)
25
Real-Time Counter and Calendar (RTCC)
26
Direct Memory Access Controller (DMAC)
27
External Interrupt Controller (EIC)
28
Configurable Custom Logic (CCL)
29
Frequency Meter (FREQM)
30
Event System (EVSYS)
31
Serial Communication Interface (SERCOM)
32
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
33
SERCOM Serial Peripheral Interface (SERCOM SPI)
34
SERCOM Inter-Integrated Circuit (SERCOM I
2
C)
35
Quad Serial Peripheral Interface (QSPI)
36
Analog-to-Digital Converter (ADC)
37
Capacitive Voltage Divider (CVD) Controller for Touch Sensing
38
Analog Comparators (AC)
39
Digital-to-Analog Converter (DAC)
40
Timer/Counter (TC)
41
Timer/Counter for Control Applications (TCC)
42
802.15.4 Bluetooth® Radio Subsystem
43
Electrical Characteristics
44
Packaging Information
45
Appendix A: Regulatory Approval
46
Appendix B: Acronyms and Abbreviations
47
Document Revision History
Microchip Information
11.6 Functional Description
