Microchip ATSAMD20J15 Bruksanvisning

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SAM D20 Family
Low-Power, 32-bit Cortex-M0+ MCUs with 12-bit ADC, 10-
bit DAC, 256-Channel PTC, RTC, and SERCOM
Features
Operating Conditions
1.62V – 3.63V, -40°C to +85°C, DC up to 48 MHz
1.62V – 3.63V, -40°C to +105°C, DC up to 32 MHz
2.7V – 3.63V, -40°C to +125°C Extended Temperature with compliance to AEC-Q100, DC up to 32MHz
Core
• Arm® Cortex®-M0+ CPU running at up to 48 MHz
Single-cycle hardware multiplier
Memories
16/32/64/128/256 KB in-system self-programmable Flash
2/4/8/16/32 KB SRAM
System
Power-on Reset (POR) and Brown-out Detection (BOD)
Internal and external clock options with 48 MHz Digital Frequency Locked Loop (DFLL48M)
External Interrupt Controller (EIC)
Up to 16 external interrupts
One non-maskable interrupt
Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
Low-Power
Idle and Stand-by Sleep modes
SleepWalking peripherals
Peripherals
8-channel Event System
Up to eight 16-bit Timer/Counters (TC), configurable as:
One 16-bit TC with two compare/capture channels
One 8-bit TC with two compare/capture channels
One 32-bit TC with two compare/capture channels, by using two TCs
32-bit Real Time Counter (RTC) with clock/calendar function
Watchdog Timer (WDT)
CRC-32 generator
Up to six Serial Communication Interfaces (SERCOM), each configurable to operate as either:
USART with full-duplex and single-wire half-duplex configuration
Inter-Integrated Circuit (I2C) up to 400 kHz
Serial Peripheral Interface (SPI)
One 12-bit, 350 ksps Analog-to-Digital Converter (ADC) with up to 20 channels
Differential and single-ended input
1/2x to 16x programmable gain stage
© 2022 Microchip Technology Inc.
and its subsidiaries
Complete Datasheet DS60001504F-page 1
Automatic offset and gain error compensation
Oversampling and decimation in hardware to support 13-bit, 14-bit, 15-bit, or 16-bit resolution
10-bit, 350 ksps Digital-to-Analog Converter (DAC)
Two Analog Comparators (AC) with Window Compare function
Peripheral Touch Controller (PTC)
Up to 256-channel capacitive touch and proximity sensing
I/O
Up to 52 programmable I/O pins
Packages
64-pin TQFP, VQFN
64-ball UFBGA (not available in grades Extended Temperature and AEC-QA100)
48-pin TQFP, VQFN
45-ball WLCSP (not available in grades Extended Temperature and AEC-QA100)
32-pin TQFP, VQFN
27-ball WLCSP (not available in grades Extended Temperature and AEC-QA100)
Power Consumption
Power Consumption
Down to 50 µA/MHz in Active mode
Down to 8 µA running the PTC
SAM D20 Family
© 2022 Microchip Technology Inc.
and its subsidiaries
Complete Datasheet DS60001504F-page 2
Table of Contents
Features......................................................................................................................................................... 1
1. Configuration Summary.........................................................................................................................11
2. Ordering Information (1)......................................................................................................................... 13
3. Block Diagram.......................................................................................................................................14
4. Pinout.................................................................................................................................................... 15
4.1. SAM D20J.................................................................................................................................. 15
4.2. SAM D20G................................................................................................................................. 17
4.3. SAM D20E..................................................................................................................................19
5. Signal Descriptions List.........................................................................................................................21
6. I/O Multiplexing and Considerations..................................................................................................... 23
6.1. Multiplexed Signals.................................................................................................................... 23
6.2. Other Functions..........................................................................................................................25
7. Power Supply and Start-Up Considerations..........................................................................................27
7.1. Power Domain Overview............................................................................................................27
7.2. Power Supply Considerations.................................................................................................... 27
7.3. Power-Up................................................................................................................................... 29
7.4. Power-On Reset and Brown-Out Detector.................................................................................29
8. Product Mapping................................................................................................................................... 31
9. Memories.............................................................................................................................................. 32
9.1. Embedded Memories................................................................................................................. 32
9.2. Physical Memory Map................................................................................................................ 32
9.3. NVM Calibration and Auxiliary Space........................................................................................ 33
9.4. NVM User Row Mapping............................................................................................................33
9.5. NVM Software Calibration Area Mapping...................................................................................34
9.6. Serial Number............................................................................................................................ 35
10. Processor And Architecture.................................................................................................................. 36
10.1. Cortex M0+ Processor............................................................................................................... 36
10.2. Nested Vector Interrupt Controller..............................................................................................37
10.3. High-Speed Bus System............................................................................................................ 38
10.4. AHB-APB Bridge........................................................................................................................ 40
10.5. PAC - Peripheral Access Controller........................................................................................... 41
10.6. Register Description................................................................................................................... 41
11. Peripherals Configuration Summary..................................................................................................... 52
12. DSU - Device Service Unit.................................................................................................................... 54
12.1. Overview.................................................................................................................................... 54
12.2. Features..................................................................................................................................... 54
12.3. Block Diagram............................................................................................................................54
SAM D20 Family
© 2022 Microchip Technology Inc.
and its subsidiaries
Complete Datasheet DS60001504F-page 3

Produktspecifikationer

Varumärke: Microchip
Kategori: Inte kategoriserad
Modell: ATSAMD20J15

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