SAMC21G18A Datasheet PDF - ATMEL Corporation
| Part Number | SAMC21G18A | |
| Description | SMART ARM-Based Microcontrollers | |
| Manufacturers | ATMEL Corporation | |
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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
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11.4. High-Speed Bus System............................................................................................................ 43
12. PAC - Peripheral Access Controller.........................................................................46
12.1. Overview.....................................................................................................................................46
12.2. Features..................................................................................................................................... 46
12.3. Block Diagram............................................................................................................................ 46
12.4. Product Dependencies............................................................................................................... 46
12.5. Functional Description................................................................................................................47
12.6. Register Summary......................................................................................................................51
12.7. Register Description................................................................................................................... 51
13. Peripherals Configuration Summary........................................................................57
14. DSU - Device Service Unit...................................................................................... 59
14.1. Overview.....................................................................................................................................59
14.2. Features..................................................................................................................................... 59
14.3. Block Diagram............................................................................................................................ 60
14.4. Signal Description.......................................................................................................................60
14.5. Product Dependencies............................................................................................................... 60
14.6. Debug Operation........................................................................................................................ 61
14.7. Chip Erase..................................................................................................................................63
14.8. Programming..............................................................................................................................64
14.9. Intellectual Property Protection...................................................................................................64
14.10. Device Identification................................................................................................................... 66
14.11. Functional Description................................................................................................................67
14.12. Register Summary..................................................................................................................... 72
14.13. Register Description...................................................................................................................74
15. DIVAS – Divide and Square Root Accelerator.........................................................97
15.1. Overview.....................................................................................................................................97
15.2. Features..................................................................................................................................... 97
15.3. Block Diagram............................................................................................................................ 97
15.4. Signal Description.......................................................................................................................97
15.5. Product Dependencies............................................................................................................... 97
15.6. Functional Description................................................................................................................98
15.7. Register Summary....................................................................................................................101
15.8. Register Description................................................................................................................. 101
16. Clock System.........................................................................................................109
16.1. Clock Distribution......................................................................................................................109
16.2. Synchronous and Asynchronous Clocks.................................................................................. 110
16.3. Register Synchronization..........................................................................................................110
16.4. Enabling a Peripheral............................................................................................................... 112
16.5. On-demand, Clock Requests....................................................................................................112
16.6. Power Consumption vs. Speed................................................................................................ 113
16.7. Clocks after Reset.................................................................................................................... 113
17. GCLK - Generic Clock Controller...........................................................................114
17.1. Overview...................................................................................................................................114
Atmel SAM C21E / SAM C21G / SAM C21J [DATASHEET]
Atmel-42365E-SAM C21_Datasheet_Preliminary-12/2015
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for SAMC21G18A electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ SAMC21G18A.PDF Datasheet ] | |
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