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5-Volt Motor Control MCU
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PIC32CM1216MC00032
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11
Clock System
11.3
Register Synchronization
5-Volt, 128-KB Flash, 16-KB SRAM with Advanced Analog
1
Configuration Summary
2
Ordering Information
3
Block Diagram
4
Pinout and Packaging
5
Signal Description
6
Power Supply and Start-Up Considerations
7
Product Mapping
8
Memories
9
Processor and Architecture
10
Peripherals Configuration Summary
11
Clock System
11.1
Clock Distribution
11.2
Synchronous and Asynchronous Clocks
11.3
Register Synchronization
11.3.1
Overview
11.3.2
General Write-Synchronization
11.3.3
General Read-Synchronization
11.3.4
Completion of Synchronization
11.3.5
Enable Write-Synchronization
11.3.6
Software Reset Write-Synchronization
11.3.7
Synchronization Delay
11.4
Enabling a Peripheral
11.5
On-demand, Clock Requests
11.6
Power Consumption vs. Speed
11.7
Clocks after Reset
12
Generic Clock Controller (GCLK)
13
Main Clock (MCLK)
14
Oscillators Controller (OSCCTRL)
15
32.768 kHz Oscillators Controller (OSC32KCTRL)
16
Power Manager (PM)
17
Supply Controller (SUPC)
18
Reset Controller (RSTC)
19
Peripheral Access Controller (PAC)
20
Device Service Unit (DSU)
21
Divide and Square Root Accelerator (DIVAS)
22
Watchdog Timer (WDT)
23
Real-Time Counter (RTC)
24
Direct Memory Access Controller (DMAC)
25
External Interrupt Controller (EIC)
26
Nonvolatile Memory Controller (NVMCTRL)
27
I/O Pin Controller (PORT)
28
Event System (EVSYS)
29
Serial Communication Interface (SERCOM)
30
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
31
SERCOM Serial Peripheral Interface (SERCOM SPI)
32
SERCOM Inter-Integrated Circuit (SERCOM I
2
C)
33
Timer Counter (TC)
34
Timer/Counter for Control (TCC) Applications
35
Configurable Custom Logic (CCL)
36
Analog-to-Digital Converter (ADC)
37
Sigma-Delta Analog-to-Digital Converter (SDADC)
38
Analog Comparators (AC)
39
Digital-to-Analog Converter (DAC)
40
Temperature Sensor (TSENS)
41
Frequency Meter (FREQM)
42
Position Decoder (PDEC)
43
Electrical Characteristics 85℃
44
Electrical Characteristics 125°C
45
Packaging Information
46
Schematic Checklist
47
Appendix
48
Revision History
The Microchip Website
Product Change Notification Service
Customer Support
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
Worldwide Sales and Service
11.3 Register Synchronization
