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Low-Power, 32-bit Cortex-M0+ MCUs with 12-bit ADC, 10-bit DAC, 256-Channel PTC, RTC, and SERCOM
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ATSAMD20E14
ATSAMD20E15
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ATSAMD20E17
ATSAMD20E18
ATSAMD20G14
ATSAMD20G15
ATSAMD20G16
ATSAMD20G17
ATSAMD20G18
ATSAMD20J14
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19
EIC – External Interrupt Controller
19.5
Product Dependencies
19.5.8
Analog Connections
Features
1
Configuration Summary
2
Ordering Information
(1)
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
Peripherals Configuration Summary
12
DSU - Device Service Unit
13
Clock System
14
GCLK - Generic Clock Controller
15
Power Manager (PM)
16
SYSCTRL – System Controller
17
WDT – Watchdog Timer
18
RTC – Real-Time Counter
19
EIC – External Interrupt Controller
19.1
Overview
19.2
Features
19.3
Block Diagram
19.4
Signal Description
19.5
Product Dependencies
19.5.1
I/O Lines
19.5.2
Power Management
19.5.3
Clocks
19.5.4
Interrupts
19.5.5
Events
19.5.6
Debug Operation
19.5.7
Register Access Protection
19.5.8
Analog Connections
19.6
Functional Description
19.7
Register Summary
19.8
Register Description
20
NVMCTRL – Nonvolatile Memory Controller
21
PORT - I/O Pin Controller
22
Event System (EVSYS)
23
SERCOM – Serial Communication Interface
24
SERCOM USART
25
SERCOM SPI – SERCOM Serial Peripheral Interface
26
SERCOM I
2
C – Inter-Integrated Circuit
27
TC – Timer/Counter
28
Analog-to-Digital Converter (ADC)
29
AC – Analog Comparators
30
DAC – Digital-to-Analog Converter
31
PTC - Peripheral Touch Controller
32
Electrical Characteristics at 85°C
33
Electrical Characteristics at 105°C
34
AEC-Q100 Electrical Characteristics at 125℃
35
Packaging Information
36
Schematic Checklist
37
Data Sheet Revision History
38
Conventions
39
Acronyms and Abbreviations
40
Product Identification System
Microchip Information
19.5.8 Analog Connections
Not applicable.
