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32-bit Arm Cortex-M0+ with 5V Support, CAN-FD, PTC, and Advanced Analog

ATSAMC20E15 ATSAMC20E16 ATSAMC20E17 ATSAMC20E18 ATSAMC20G15 ATSAMC20G16 ATSAMC20G17 ATSAMC20G18 ATSAMC20J15 ATSAMC20J16 ATSAMC20J17 ATSAMC20J18 ATSAMC20N17A ATSAMC20N18A ATSAMC21E15A ATSAMC21E16 ATSAMC21E17 ATSAMC21E18 ATSAMC21G15 ATSAMC21G16 ATSAMC21G17 ATSAMC21G18 ATSAMC21J15 ATSAMC21J16 ATSAMC21J17 ATSAMC21J18 ATSAMC21N17A ATSAMC21N18A ATSAMC20E15A ATSAMC20E16A ATSAMC20E17A ATSAMC20E18A ATSAMC20G15A ATSAMC20G16A ATSAMC20G17A ATSAMC20G18A ATSAMC20J15A ATSAMC20J16A ATSAMC20J17A ATSAMC20J17AU ATSAMC20J18A ATSAMC20J18AU ATSAMC21E16A ATSAMC21E17A ATSAMC21E18A ATSAMC21G15A ATSAMC21G16A ATSAMC21G17A ATSAMC21G18A ATSAMC21J15A ATSAMC21J16A ATSAMC21J17A ATSAMC21J17AU ATSAMC21J18A ATSAMC21J18AU

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34 CAN - Control Area Network (SAM C21 Only)
34.3 Block Diagram

Features
1 Configuration Summary
2 Ordering Information
3 Block Diagram
4 Pinout
5 Signal Descriptions List
6 I/O Multiplexing and Considerations
7 Power Supply and Start-Up Considerations
8 Product Mapping
9 Memories
10 Processor and Architecture
11 PAC - Peripheral Access Controller
12 Peripherals Configuration Summary
13 DSU - Device Service Unit
14 DIVAS – Divide and Square Root Accelerator
15 Clock System
16 GCLK - Generic Clock Controller
17 MCLK – Main Clock
18 RSTC – Reset Controller
19 PM - Power Manager
20 OSCCTRL – Oscillators Controller
21 OSC32KCTRL – 32.768 kHz Oscillators Controller
22 SUPC – Supply Controller
23 WDT – Watchdog Timer
24 RTC – Real-Time Counter
25 DMAC – Direct Memory Access Controller
26 EIC – External Interrupt Controller
27 NVMCTRL – Nonvolatile Memory Controller
28 PORT - I/O Pin Controller
29 Event System (EVSYS)
30 SERCOM – Serial Communication Interface
31 SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and Transmitter
32 SERCOM SPI – SERCOM Serial Peripheral Interface
33 SERCOM I²C – Inter-Integrated Circuit
34 CAN - Control Area Network (SAM C21 Only)
35 Timer/Counter (TC)
36 Timer/Counter for Control Applications (TCC)
37 Configurable Custom Logic (CCL)
38 ADC - Analog-to-Digital Converter
39 SDADC – Sigma-Delta Analog-to-Digital Converter (SAM C21 only)
40 AC – Analog Comparators
41 DAC – Digital-to-Analog Converter (SAM C21 only)
42 Peripheral Touch Controller (PTC)
43 TSENS – Temperature Sensor
44 FREQM – Frequency Meter
45 Electrical Characteristics 85°C (SAM C20/C21 E/G/J)
46 Electrical Characteristics 105°C (SAM C20/C21 E/G/J)
47 Electrical Characteristics 105°C (SAM C20/C21 N)
48 Electrical Characteristics AEC - Q100 Grade 1, 125°C (SAM C20/C21 E/G/J)
49 Electrical Characteristics AEC - Q100 Grade 1, 125°C (SAM C20/C21 N)
50 Appendix A
51 Appendix B
52 Packaging Information
53 Schematic Checklist
54 Revision History
The Microchip Website
Product Change Notification Service
Customer Support
Product Identification System
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
Worldwide Sales and Service

34.3 Block Diagram

Figure 34-1. CAN Block Diagram

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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