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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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44 Packaging Information
44.1 Package Drawings
44.1.13 35 ball WLCSP (Device Variant B)

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

44.1.13 35 ball WLCSP (Device Variant B)

Table 44-25. Device and Package Maximum Weight
6.2	mg

Table 44-26. Package Reference
JEDEC Drawing Reference	C04-21245
JESD97 Classification	E1

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