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32-bit Arm Cortex-M0+ with 5V Support, CAN-FD, PTC, and Advanced Analog
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ATSAMC20N17A
ATSAMC20N18A
ATSAMC21E15A
ATSAMC21N17A
ATSAMC21N18A
ATSAMC20E15A
ATSAMC20E16A
ATSAMC20E17A
ATSAMC20E18A
ATSAMC20G15A
ATSAMC20G16A
ATSAMC20G17A
ATSAMC20G18A
ATSAMC20J15A
ATSAMC20J16A
ATSAMC20J17A
ATSAMC20J18A
ATSAMC21E16A
ATSAMC21E17A
ATSAMC21E18A
ATSAMC21G15A
ATSAMC21G16A
ATSAMC21G17A
ATSAMC21G18A
ATSAMC21J15A
ATSAMC21J16A
ATSAMC21J17A
ATSAMC21J18A
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18
RSTC – Reset Controller
18.5
Product Dependencies
18.5.6
Events
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
18.1
Overview
18.2
Features
18.3
Block Diagram
18.4
Signal Description
18.5
Product Dependencies
18.5.1
I/O Lines
18.5.2
Power Management
18.5.3
Clocks
18.5.4
DMA
18.5.5
Interrupts
18.5.6
Events
18.5.7
Debug Operation
18.5.8
Register Access Protection
18.5.9
Analog Connections
18.6
Functional Description
18.7
Register Summary
18.8
Register Description
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 I
2
C – 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
55
Product Identification System
Microchip Information
18.5.6 Events
Not applicable.
