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38 USB – Universal Serial Bus

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 Clock System
15 GCLK - Generic Clock Controller
16 MCLK – Main Clock
17 FREQM - Frequency Meter
18 RSTC – Reset Controller
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 – Non-Volatile Memory Controller
28 PORT - I/O Pin Controller
29 EVSYS – Event System
30 SERCOM – Serial Communication Interface
31 SERCOM USART – SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter
32 SERCOM SPI – SERCOM Serial Peripheral Interface
33 SERCOM I²C – SERCOM Inter-Integrated Circuit
34 TC – Timer/Counter
35 TCC – Timer/Counter for Control Applications
36 TRNG – True Random Number Generator
37 AES – Advanced Encryption Standard
38 USB – Universal Serial Bus
39 CCL – Configurable Custom Logic
40 ADC - Analog-to-Digital Converter
41 AC – Analog Comparators
42 SLCD - Segment Liquid Crystal Display Controller
43 PTC - Peripheral Touch Controller
44 Electrical Characteristics
45 Typical Characteristics
46 Packaging Information
47 Schematic Checklist
48 Conventions
49 Acronyms and Abbreviations
50 Datasheet Revision History
Microchip Information