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부품번호 | ATSAMC21J17A 기능 |
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기능 | SMART ARM-Based Microcontrollers | ||
제조업체 | ATMEL Corporation | ||
로고 | |||
전체 30 페이지수
SMART ARM-Based Microcontrollers
SAM C21E / SAM C21G / SAM C21J
DATASHEET PRELIMINARY
Introduction
The Atmel® | SMART™ SAM C21 is a series of microcontrollers optimized for
industrial automation, appliances and other 5V applications using the 32-bit
ARM® Cortex®-M0+ processor, ranging from 32- to 64-pins with up to 256KB
Flash and 32KB of SRAM and operate at a maximum frequency of 48MHz
and reach 2.46 CoreMark®/MHz. The SAM C21 devices are designed for
simple and intuitive migration with identical peripheral modules, hex
compatible code, identical linear address map and pin compatible migration
paths between all devices in the product series. All devices include
intelligent and flexible peripherals, Atmel Event System for inter-peripheral
signaling, and support for capacitive touch button, slider and wheel user
interfaces.
SAM C21 devices are pin compatible to the SAM D family of general
purpose microcontrollers.
Features
• Processor
– ARM Cortex-M0+ CPU running at up to 48MHz
• Single-cycle hardware multiplier
• Micro Trace Buffer
• Memory Protection Unit (MPU)
• Memories
– 32/64/128/256KB in-system self-programmable Flash
– 1/2/4/8KB independent self-programmable Flash for EEPROM
emulation
– 4/8/16/32KB SRAM Main Memory
• System
– Power-on reset (POR) and brown-out detection (BOD)
– Internal and external clock options with 48MHz to 96MHz
Fractional Digital Phase Locked Loop (FDPLL96M)
– External Interrupt Controller (EIC)
– 16 external interrupts
– One non-maskable interrupt
Atmel-42365E-SAM C21_Datasheet_Preliminary-12/2015
Table of Contents
Introduction......................................................................................................................1
Features.......................................................................................................................... 1
1. Description...............................................................................................................13
2. Configuration Summary........................................................................................... 14
3. Ordering Information................................................................................................16
3.1. SAM C21E..................................................................................................................................16
3.2. SAM C21G................................................................................................................................. 17
3.3. SAM C21J.................................................................................................................................. 18
4. Block Diagram......................................................................................................... 20
5. Pinout.......................................................................................................................22
5.1. SAM C21E..................................................................................................................................22
5.2. SAM C21G................................................................................................................................. 23
5.3. SAM C21J.................................................................................................................................. 24
6. Signal Descriptions List........................................................................................... 25
7. I/O Multiplexing and Considerations........................................................................ 27
7.1. Multiplexed Signals.....................................................................................................................27
7.2. Other Functions..........................................................................................................................28
8. Power Supply and Start-Up Considerations............................................................ 30
8.1. Power Domain Overview............................................................................................................30
8.2. Power Supply Considerations.................................................................................................... 30
8.3. Power-Up....................................................................................................................................32
8.4. Power-On Reset and Brown-Out Detector................................................................................. 33
9. Product Mapping......................................................................................................34
10. Memories.................................................................................................................35
10.1. Embedded Memories................................................................................................................. 35
10.2. Physical Memory Map................................................................................................................ 35
10.3. NVM User Row Mapping............................................................................................................36
10.4. NVM Software Calibration Area Mapping...................................................................................37
10.5. NVM Temperature Calibration Area Mapping.............................................................................37
10.6. Serial Number.............................................................................................................................38
11. Processor and Architecture..................................................................................... 39
11.1. Cortex M0+ Processor................................................................................................................39
11.2. Nested Vector Interrupt Controller..............................................................................................41
11.3. Micro Trace Buffer...................................................................................................................... 42
Atmel SAM C21E / SAM C21G / SAM C21J [DATASHEET]
Atmel-42365E-SAM C21_Datasheet_Preliminary-12/2015
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4페이지 22.1. Overview...................................................................................................................................211
22.2. Features....................................................................................................................................211
22.3. Block Diagram.......................................................................................................................... 212
22.4. Signal Description.....................................................................................................................212
22.5. Product Dependencies............................................................................................................. 212
22.6. Functional Description..............................................................................................................214
22.7. Register Summary....................................................................................................................220
22.8. Register Description................................................................................................................. 220
23. SUPC – Supply Controller..................................................................................... 237
23.1. Overview...................................................................................................................................237
23.2. Features................................................................................................................................... 237
23.3. Block Diagram.......................................................................................................................... 238
23.4. Signal Description.....................................................................................................................238
23.5. Product Dependencies............................................................................................................. 238
23.6. Functional Description..............................................................................................................239
23.7. Register Summary....................................................................................................................244
23.8. Register Description................................................................................................................. 244
24. WDT – Watchdog Timer........................................................................................ 263
24.1. Overview...................................................................................................................................263
24.2. Features................................................................................................................................... 263
24.3. Block Diagram.......................................................................................................................... 264
24.4. Signal Description.....................................................................................................................264
24.5. Product Dependencies............................................................................................................. 264
24.6. Functional Description..............................................................................................................265
24.7. Register Summary....................................................................................................................271
24.8. Register Description................................................................................................................. 271
25. RTC – Real-Time Counter..................................................................................... 283
25.1. Overview...................................................................................................................................283
25.2. Features................................................................................................................................... 283
25.3. Block Diagram.......................................................................................................................... 283
25.4. Signal Description.....................................................................................................................284
25.5. Product Dependencies............................................................................................................. 284
25.6. Functional Description..............................................................................................................286
25.7. Register Summary - COUNT32................................................................................................291
25.8. Register Description - COUNT32............................................................................................. 291
25.9. Register Summary - COUNT16................................................................................................303
25.10. Register Description - COUNT16.............................................................................................304
25.11. Register Summary - CLOCK.................................................................................................... 317
25.12. Register Description - CLOCK................................................................................................. 318
26. DMAC – Direct Memory Access Controller........................................................... 334
26.1. Overview...................................................................................................................................334
26.2. Features................................................................................................................................... 334
26.3. Block Diagram.......................................................................................................................... 336
26.4. Signal Description.....................................................................................................................336
26.5. Product Dependencies............................................................................................................. 336
Atmel SAM C21E / SAM C21G / SAM C21J [DATASHEET]
Atmel-42365E-SAM C21_Datasheet_Preliminary-12/2015
7
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |