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Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM

ATSAMD21E15 ATSAMD21E15L ATSAMD21E16 ATSAMD21E16L ATSAMD21E17 ATSAMD21E18 ATSAMD21G15 ATSAMD21G16 ATSAMD21G16L ATSAMD21G17 ATSAMD21G18 ATSAMD21J15 ATSAMD21J16 ATSAMD21J17 ATSAMD21J18

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25 SERCOM – Serial Communication Interface
25.6 Functional Description
25.6.3 Additional Features
25.6.3.1 Address Match and Mask
25.6.3.1.2 Two Unique Addresses

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 I²C – 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
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

25.6.3.1.2 Two Unique Addresses

The two addresses written to ADDR and ADDRMASK will cause a match.

Figure 25-5. Two Unique Addresses

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