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32-bit ARM Cortex-M0+ Ultra-Low-Power MCU family with Peripheral Touch Controller (PTC), Segment LCD Controller, Advanced Analog, USB and AES

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31 SERCOM USART – SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter
31.3 Block Diagram

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

31.3 Block Diagram

Figure 31-1. USART Block Diagram

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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