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PIC32CX-BZ2 and WBZ45 Family Data Sheet
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PIC32CX1012BZ24032
PIC32CX1012BZ25048
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30
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
30.6
Functional Description
30.6.2
Basic Operation
Introduction
PIC32CX-BZ2
SoC Family Features
WBZ45
Module Features
Acronyms and Abbreviations
1
Ordering Information
2
Configuration Summary
3
PIC32CX-BZ2
SoC Description
4
WBZ45
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
Prefetch Cache (PCHE)
10
Processor and Architecture
11
Cortex M Cache Controller (CMCC)
12
Device Service Unit (DSU)
13
Clock and Reset Unit (CRU)
14
RAM Error Correction Code (RAMECC)
15
Power Management Unit (PMU)
16
Watchdog Timer (WDT)
17
Deadman Timer (DMT)
18
System Configuration and Register Locking (CFG)
19
Register Locking
20
Peripheral Module Disable Register (PMD)
21
Real-Time Counter and Calendar (RTCC)
22
Direct Memory Access Controller (DMAC)
23
External Interrupt Controller (EIC)
24
Flash Memory
25
Integrity Check Monitor (ICM)
26
Peripheral Access Controller (PAC)
27
Frequency Meter (FREQM)
28
Event System (EVSYS)
29
Serial Communication Interface (SERCOM)
30
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
30.1
Overview
30.2
USART Features
30.3
Block Diagram
30.4
Signal Description
30.5
Product Dependencies
30.6
Functional Description
30.6.1
Principle of Operation
30.6.2
Basic Operation
30.6.2.1
Initialization
30.6.2.2
Enabling, Disabling, and Resetting
30.6.2.3
Clock Generation and Selection
30.6.2.4
Data Register
30.6.2.5
Data Transmission
30.6.2.6
Data Reception
30.6.3
Additional Features
30.6.4
DMA, Interrupts and Events
30.6.5
Sleep Mode Operation
30.6.6
Synchronization
30.7
Register Summary
30.8
Register Description
31
SERCOM Serial Peripheral Interface (SERCOM SPI)
32
SERCOM Inter-Integrated Circuit (SERCOM I
2
C)
33
Quad Serial Peripheral Interface (QSPI)
34
Configurable Custom Logic (CCL)
35
True Random Number Generator (TRNG)
36
Advanced Encryption Standard (AES)
37
Public Key Cryptography Controller (PUKCC)
38
Analog-to-Digital Converter (ADC)
39
Analog Comparators (AC)
40
Timer/Counter (TC)
41
Timer/Counter for Control Applications (TCC)
42
Zigbee® 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
30.6.2 Basic Operation
