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Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM
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ATSAMD21E15
ATSAMD21E15L
ATSAMD21E16
ATSAMD21E16L
ATSAMD21E17
ATSAMD21E18
ATSAMD21G15
ATSAMD21G16
ATSAMD21G16L
ATSAMD21G17
ATSAMD21G18
ATSAMD21J15
ATSAMD21J16
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34
AC – Analog Comparators
Features
1
Description
2
Configuration Summary
3
SAM D21 Ordering Information
(1)
4
Block Diagram
5
Pinout
6
Signal Descriptions List
7
I/O Multiplexing and Considerations
8
Power Supply and Start-Up Considerations
9
Product Mapping
10
Memories
11
Processor And Architecture
12
Peripherals Configuration Summary
13
DSU - Device Service Unit
14
Clock System
15
GCLK - Generic Clock Controller
16
PM – Power Manager
17
SYSCTRL – System Controller
18
WDT – Watchdog Timer
19
RTC – Real-Time Counter
20
DMAC – Direct Memory Access Controller
21
EIC – External Interrupt Controller
22
Nonvolatile Memory Controller (NVMCTRL)
23
PORT - I/O Pin Controller
24
EVSYS – Event System
25
SERCOM – Serial Communication Interface
26
SERCOM USART
27
SERCOM SPI – SERCOM Serial Peripheral Interface
28
SERCOM I
2
C – Inter-Integrated Circuit
29
I2S - Inter-IC Sound Controller
30
TC – Timer/Counter
31
TCC – Timer/Counter for Control Applications
32
USB – Universal Serial Bus
33
ADC – Analog-to-Digital Converter
34
AC – Analog Comparators
34.1
Overview
34.2
Features
34.3
Block Diagram
34.4
Signal Description
34.5
Product Dependencies
34.6
Functional Description
34.7
Register Summary
34.8
Register Description
35
DAC – Digital-to-Analog Converter
36
Peripheral Touch Controller (PTC)
37
Electrical Characteristics at 85℃
38
Electrical Characteristics at 105°C
39
Electrical Characteristics at 125°C
40
AEC-Q100 125°C Specifications
41
SAM DA1 Electrical Characteristics
42
Appendix A
43
Appendix B
44
Packaging Information
45
Schematic Checklist
46
Conventions
47
Acronyms and Abbreviations
48
Data Sheet Revision History
Microchip Information
34 AC – Analog Comparators
