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PIC32CX-BZ3 and WBZ35x Family Data Sheet
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PIC32CX-BZ3
WBZ350
WBZ351
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27
External Interrupt Controller (EIC)
27.6
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)
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)
27.1
Overview
27.2
Features
27.3
Block Diagram
27.4
Signal Description
27.5
Product Dependencies
27.6
Functional Description
27.6.1
Principle of Operation
27.6.2
Basic Operation
27.6.3
External Pin Processing
27.6.4
Additional Features
27.6.5
DMA Operation
27.6.6
Interrupts
27.6.7
Events
27.6.8
Sleep Mode Operation
27.6.9
Synchronization
27.7
Register Summary
27.8
Register Description
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
27.6 Functional Description
