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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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ATSAML22G16A
ATSAML22G17A
ATSAML22G18A
ATSAML22J16A
ATSAML22J17A
ATSAML22J18A
ATSAML22N16A
ATSAML22N17A
ATSAML22N18A
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7
Power Supply and Start-Up Considerations
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
7.1
Power Domain Overview
7.2
Power Supply Considerations
7.3
Power-Up
7.4
Power-On Reset and Brown-Out Detector
7.5
Performance Level Overview
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 I
2
C – 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
7 Power Supply and Start-Up Considerations