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Ultra Low-Power, 32-bit Cortex-M23 MCUs with TrustZone, Crypto, and Enhanced PTC
Features
1 Configuration Summary
2 Ordering Information
3 Block Diagram
4 Pinouts
4.1 Multiplexed Signals
4.2 Oscillators Pinout
4.3 Serial Wire Debug Interface Pinout
4.4 General Purpose I/O (GPIO) Clusters
5 Signal Descriptions List
6 Power Considerations
6.1 Power Supplies
6.2 Power Supply Constraints
6.3 Power-On Reset and Brown-Out Detectors
6.4 Voltage Regulators
6.5 Typical Powering Schematic
7 Analog Peripherals Considerations
7.1 Reference Voltages
7.2 Analog On Demand Feature
8 Device Startup
8.1 Clocks Startup
8.2 Initial Instructions Fetching
8.3 I/O Pins
8.4 Performance Level Overview
9 Product Mapping
10 Memories
10.1 Embedded Memories
10.2 NVM Rows
10.3 Serial Number
11 Processor and Architecture
11.1 Cortex-M23 Processor
11.2 Nested Vector Interrupt Controller
11.3 High-Speed Bus System
11.4 SRAM Quality of Service
12 Peripherals Configuration Summary
13 SAM L11 Specific Security Features
13.1 Features
13.2 Arm TrustZone Technology for Armv8-M
13.3 Crypto Acceleration
13.4 Secure Boot
13.5 Secure Pin Multiplexing on SERCOM
13.6 Data Flash Scrambling
14 Boot ROM
14.1 Features
14.2 Block Diagram
14.3 Product Dependencies
14.4 Functional Description
15 PAC - Peripheral Access Controller
15.1 Overview
15.2 Features
15.3 Block Diagram
15.4 Product Dependencies
15.5 Functional Description
15.6 Register Summary
15.7 Register Description
16 Device Service Unit (DSU)
16.1 Overview
16.2 Features
16.3 Block Diagram
16.4 Signal Description
16.5 Product Dependencies
16.6 Debug Operation
16.7 Programming
16.8 Security Enforcement
16.9 Device Identification
16.10 Functional Description
16.11 Register Summary
16.12 Register Description
17 Clock System
17.1 Clock Distribution
17.2 Synchronous and Asynchronous Clocks
17.3 Register Synchronization
17.4 Enabling a Peripheral
17.5 On Demand Clock Requests
17.6 Power Consumption vs. Speed
17.7 Clocks after Reset
18 GCLK - Generic Clock Controller
18.1 Overview
18.2 Features
18.3 Block Diagram
18.4 Signal Description
18.5 Product Dependencies
18.6 Functional Description
18.7 Register Summary
18.8 Register Description
19 MCLK – Main Clock
19.1 Overview
19.2 Features
19.3 Block Diagram
19.4 Signal Description
19.5 Product Dependencies
19.6 Functional Description
19.7 Register Summary
19.8 Register Description
20 FREQM – Frequency Meter
20.1 Overview
20.2 Features
20.3 Block Diagram
20.4 Signal Description
20.5 Product Dependencies
20.6 Functional Description
20.7 Register Summary
20.8 Register Description
21 RSTC – Reset Controller
21.1 Overview
21.2 Features
21.3 Block Diagram
21.4 Signal Description
21.5 Product Dependencies
21.6 Functional Description
21.7 Register Summary
21.8 Register Description
22 PM – Power Manager
22.1 Overview
22.2 Features
22.3 Block Diagram
22.4 Signal Description
22.5 Product Dependencies
22.6 Functional Description
22.7 Register Summary
22.8 Register Description
23 OSCCTRL – Oscillators Controller
23.1 Overview
23.2 Features
23.3 Block Diagram
23.4 Signal Description
23.5 Product Dependencies
23.6 Functional Description
23.7 Register Summary
23.8 Register Description
24 OSC32KCTRL – 32KHz Oscillators Controller
24.1 Overview
24.2 Features
24.3 Block Diagram
24.4 Signal Description
24.5 Product Dependencies
24.6 Functional Description
24.7 Register Summary
24.8 Register Description
25 SUPC – Supply Controller
25.1 Overview
25.2 Features
25.3 Block Diagram
25.4 Signal Description
25.5 Product Dependencies
25.6 Functional Description
25.7 Register Summary
25.8 Register Description
26 WDT – Watchdog Timer
26.1 Overview
26.2 Features
26.3 Block Diagram
26.4 Signal Description
26.5 Product Dependencies
26.6 Functional Description
26.7 Register Summary
26.8 Register Description
27 RTC – Real-Time Counter
27.1 Overview
27.2 Features
27.3 Block Diagram
27.4 Signal Description
27.5 Product Dependencies
27.6 Functional Description
27.7 Register Description
28 DMAC – Direct Memory Access Controller
28.1 Overview
28.2 Features
28.3 Block Diagram
28.4 Signal Description
28.5 Product Dependencies
28.6 Functional Description
28.7 Register Summary
28.8 Register Description
28.9 Register Summary - SRAM
28.10 Register Description - SRAM
29 EIC – External Interrupt Controller
29.1 Overview
29.2 Features
29.3 Block Diagram
29.4 Signal Description
29.5 Product Dependencies
29.6 Functional Description
29.7 Register Summary
29.8 Register Description
30 NVMCTRL – Nonvolatile Memory Controller
30.1 Overview
30.2 Features
30.3 Block Diagram
30.4 Signal Description
30.5 Product Dependencies
30.6 Functional Description
30.7 Register Summary
30.8 Register Description
31 TrustRAM (TRAM)
31.1 Overview
31.2 Features
31.3 Block Diagram
31.4 Signal Description
31.5 Product Dependencies
31.6 Functional Description
31.7 Register Summary
31.8 Register Description
32 PORT - I/O Pin Controller
32.1 Overview
32.2 Features
32.3 Block Diagram
32.4 Signal Description
32.5 Product Dependencies
32.6 Functional Description
32.7 Register Summary
32.8 Register Description
33 EVSYS – Event System
33.1 Overview
33.2 Features
33.3 Block Diagram
33.4 Product Dependencies
33.5 Functional Description
33.6 Register Summary
33.7 Register Description
34 SERCOM – Serial Communication Interface
34.1 Overview
34.2 Features
34.3 Block Diagram
34.4 Signal Description
34.5 Product Dependencies
34.6 Functional Description
35 SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and Transmitter
35.1 Overview
35.2 USART Features
35.3 Block Diagram
35.4 Signal Description
35.5 Product Dependencies
35.6 Functional Description
35.7 Register Summary
35.8 Register Description
36 SERCOM SPI – SERCOM Serial Peripheral Interface
36.1 Overview
36.2 Features
36.3 Block Diagram
36.4 Signal Description
36.5 Product Dependencies
36.6 Functional Description
36.7 Register Summary
36.8 Register Description
37 SERCOM I2C – SERCOM Inter-Integrated Circuit
37.1 Overview
37.2 Features
37.3 Block Diagram
37.4 Signal Description
37.5 Product Dependencies
37.6 Functional Description
37.7 Register Summary - I2C Client
37.8 Register Description - I2C Client
37.9 Register Summary - I2C Host
37.10 Register Description - I2C Host
38 TC – Timer/Counter
38.1 Overview
38.2 Features
38.3 Block Diagram
38.4 Signal Description
38.5 Product Dependencies
38.6 Functional Description
38.7 Register Description
39 TRNG – True Random Number Generator
39.1 Overview
39.2 Features
39.3 Block Diagram
39.4 Signal Description
39.5 Product Dependencies
39.6 Functional Description
39.7 Register Summary
39.8 Register Description
40 CCL – Configurable Custom Logic
40.1 Overview
40.2 Features
40.3 Block Diagram
40.4 Signal Description
40.5 Product Dependencies
40.6 Functional Description
40.7 Register Summary
40.8 Register Description
41 ADC – Analog-to-Digital Converter
41.1 Overview
41.2 Features
41.3 Block Diagram
41.4 Signal Description
41.5 Product Dependencies
41.6 Functional Description
41.7 Register Summary
41.8 Register Description
42 AC – Analog Comparators
42.1 Overview
42.2 Features
42.3 Block Diagram
42.4 Signal Description
42.5 Product Dependencies
42.6 Functional Description
42.7 Register Summary
42.8 Register Description
43 DAC – Digital-to-Analog Converter
43.1 Overview
43.2 Features
43.3 Block Diagram
43.4 Signal Description
43.5 Product Dependencies
43.6 Functional Description
43.7 Register Summary
43.8 Register Description
44 OPAMP – Operational Amplifier Controller
44.1 Overview
44.2 Features
44.3 Block Diagram
44.4 Signal Description
44.5 Product Dependencies
44.6 Functional Description
44.7 Register Summary
44.8 Register Description
45 PTC - Peripheral Touch Controller
45.1 Overview
45.2 Features
45.3 Block Diagram
45.4 Signal Description
45.5 Product Dependencies
45.6 Functional Description
46 Electrical Characteristics
46.1 Disclaimer
46.2 Thermal Considerations
46.3 Absolute Maximum Ratings
46.4 General Operating Ratings
46.5 Supply Characteristics
46.6 Maximum Clock Frequencies
46.7 Power Consumption
46.8 Wake-Up Time
46.9 I/O Pin Characteristics
46.10 Injection Current
46.11 Analog Characteristics
46.12 NVM Characteristics
46.13 Oscillators Characteristics
46.14 Timing Characteristics
47 125°C Electrical Characteristics
47.1 Disclaimer
47.2 General Operating Ratings
47.3 Power Consumption
47.4 Analog Characteristics
47.5 Oscillators Characteristics
47.6 Timing Characteristics
48 AEC-Q100 Grade (-40°C to 125°C) Electrical Characteristics
48.1 Disclaimer
48.2 General Operating Ratings
48.3 Supply Characteristics
48.4 Power Consumption
48.5 I/O Pin Characteristics
48.6 Analog Characteristics
48.7 NVM Characteristics
48.8 Oscillators Characteristics
48.9 Timing Characteristics
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49 AC and DC Characteristics Graphs
49.1 Typical Power Consumption over Temperature in Sleep Modes - 85°C
49.2 Typical Power Consumption over Temperature in Sleep Modes - 125°C
50 Packaging Information
50.1 Package Marking Information
50.2 Package Drawings
50.3 Soldering Profile
51 Schematic Checklist
51.1 Introduction
51.2 Power Supply
51.3 External Analog Reference Connections
51.4 External Reset Circuit
51.5 Unused or Unconnected Pins
51.6 Clocks and Crystal Oscillators
51.7 Programming and Debug Ports
51.8 Peripherals Considerations
52 Conventions
52.1 Numerical Notation
52.2 Memory Size and Type
52.3 Frequency and Time
52.4 Registers and Bits
53 Acronyms and Abbreviations
54 Appendix A: Migrating From SAM L21 to SAM L10/L11 (32-pin Package)
54.1 Pinout Differences
54.2 Pinout Multiplexing Differences
55 Appendix B: Migrating From SAM D20/D21 to SAM L10/L11 (32-pin Package)
55.1 Pinout Differences
55.2 Pinout Multiplexing Differences
56 Revision History
Legal Disclaimer
Microchip Information
The Microchip Website
Product Change Notification Service
Customer Support
Product Identification System
Microchip Devices Code Protection Feature
Legal Notice
Trademarks
Quality Management System
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