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Ultra Low-Power, 32-bit Cortex-M23 MCUs with TrustZone, Crypto, and Enhanced PTC
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32
PORT - I/O Pin Controller
32.3
Block Diagram
Features
1
Configuration Summary
2
Ordering Information
3
Block Diagram
4
Pinouts
5
Signal Descriptions List
6
Power Considerations
7
Analog Peripherals Considerations
8
Device Startup
9
Product Mapping
10
Memories
11
Processor and Architecture
12
Peripherals Configuration Summary
13
SAM L11
Specific Security Features
14
Boot ROM
15
PAC - Peripheral Access Controller
16
Device Service Unit (DSU)
17
Clock System
18
GCLK - Generic Clock Controller
19
MCLK – Main Clock
20
FREQM – Frequency Meter
21
RSTC – Reset Controller
22
PM – Power Manager
23
OSCCTRL – Oscillators Controller
24
OSC32KCTRL – 32KHz Oscillators Controller
25
SUPC – Supply Controller
26
WDT – Watchdog Timer
27
RTC – Real-Time Counter
28
DMAC – Direct Memory Access Controller
29
EIC – External Interrupt Controller
30
NVMCTRL – Nonvolatile Memory Controller
31
TrustRAM (TRAM)
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
34
SERCOM – Serial Communication Interface
35
SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and Transmitter
36
SERCOM SPI – SERCOM Serial Peripheral Interface
37
SERCOM I
2
C – SERCOM Inter-Integrated Circuit
38
TC – Timer/Counter
39
TRNG – True Random Number Generator
40
CCL – Configurable Custom Logic
41
ADC – Analog-to-Digital Converter
42
AC – Analog Comparators
43
DAC – Digital-to-Analog Converter
44
OPAMP – Operational Amplifier Controller
45
PTC - Peripheral Touch Controller
46
Electrical Characteristics
47
125°C Electrical Characteristics
48
AEC-Q100 Grade (-40°C to 125°C) Electrical Characteristics
49
AC and DC Characteristics Graphs
50
Packaging Information
51
Schematic Checklist
52
Conventions
53
Acronyms and Abbreviations
54
Appendix A: Migrating From SAM L21 to SAM L10/L11 (32-pin Package)
55
Appendix B: Migrating From SAM D20/D21 to SAM L10/L11 (32-pin Package)
56
Revision History
Legal Disclaimer
Microchip Information
32.3 Block Diagram
Figure 32-1.
PORT Block Diagram
