ATSAMD21G16B-AU
Datasheet
ATSAM3U4/2/1 Description
Atmels SAM3U series is a member of a family of Flash
microcontrollers based on the high performance 32-bit ARM Cortex-M3
RISC processor. It operates at a maximum speed of 96 MHz and
features up to 256 Kbytes of Flash and up to 52 Kbytes of SRAM. The
peripheral set includes a High Speed USB Device port with embedded
transceiver, a High Speed MCI for SDIO/SD/MMC, an External Bus
Interface with NAND Flash controller, up to 4xUSARTs (SAM3U1C/2C/4C
have 3), up to 2xTWIs (SAM3U1C/2C/4C have 1), up to 5xSPIs
SAM3U1C/2C/4C have 4), as well as 4xPWM timers, 3xgeneral purpose
16-bit timers, an RTC, a 12-bit ADC and a 10-bit ADC.
Features
• Core
– ARM® Cortex®-M3 revision 2.0 running at up to 96 MHz
– Memory Protection Unit (MPU)
– Thumb®-2 instruction set
• Memories
– From 64 to 256 Kbytes embedded Flash, 128-bit wide access, memory
accelerator, dual bank
– From 16 to 48 Kbytes embedded SRAM with dual banks
– 16 Kbytes ROM with embedded bootloader routines (UART, USB) and
IAP routines
– Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND
Flash controller with 4 Kbytes RAM buffer and ECC
• System
– Embedded voltage regulator for single supply operation
– POR, BOD and Watchdog for safe reset
– Quartz or resonator oscillators: 3 to 20 MHz main and optional
low power 32.768 kHz for RTC or device clock.
– High precision 8/12 MHz factory trimmed internal RC oscillator
with 4 MHz Default Frequency for fast device startup
– Slow Clock Internal RC oscillator as permanent clock for device
clock in low power mode
– One PLL for device clock and one dedicated PLL for USB 2.0 High
Speed Device
– Up to 17 peripheral DMA (PDC) channels and 4-channel central DMA
• Low Power Modes
– Sleep and Backup modes, down to 2.5 µA in Backup mode
– Backup domain: VDDBU pin, RTC, 32 backup registers
– Ultra low power RTC: 0.6 µA
• Peripherals
– USB 2.0 Device: 480 Mbps, 4-kbyte FIFO, up to 7 bidirectional
Endpoints, dedicated DMA
– Up to 4 USARTs (ISO7816, IrDA®, Flow Control, SPI, Manchester
support) and one UART
– Up to 2 TWI (I2C compatible), 1 SPI, 1 SSC (I2S), 1 HSMCI
(SDIO/SD/MMC)
– 3-Channel 16-bit Timer/Counter (TC) for capture, compare and PWM
– 4-channel 16-bit PWM (PWMC)
– 32-bit Real Time Timer (RTT) and RTC with calendar and alarm
features
– 8-channel 12-bit 1MSPS ADC with differential input mode and
programmable gain stage, 8-channel 10-bit ADC
• I/O
– Up to 96 I/O lines with external interrupt capability (edge or
level sensitivity), debouncing, glitch filtering and on-die Series
Resistor Termination
– Three 32-bit Parallel Input/Outputs (PIO)
• Packages
– 100-lead LQFP, 14 x 14 mm, pitch 0.5 mm
– 100-ball TFBGA, 9 x 9 mm, pitch 0.8 mm
– 144-lead LQFP, 20 x 20 mm, pitch 0.5 mm
– 144-ball LFBGA, 10 x 10 mm, pitch 0.8 mm
| Attribute | Attribute Value |
|---|
| Manufacturer | Intel / Altera |
| Product Category | Microcontrollers |
| Series | SAM D21G |
| Packaging | Tray Alternate Packaging |
| Package-Case | 48-TQFP |
| Operating-Temperature | -40°C ~ 85°C (TA) |
| Supplier-Device-Package | 48-TQFP (7x7) |
| Number-of-I-O | 38 I/O |
| Speed | 48MHz |
| EEPROM-Size | - |
| Core-Processor | ARMR CortexR-M0+ |
| RAM-Size | 8K x 8 |
| Program Memory | FLASH |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Connectivity | I2C, LIN, SPI, UART/USART |
| Voltage-Supply-Vcc-Vdd | 1.62 V ~ 3.6 V |
| Core-Size | 32-Bit |
| Program-Memory-Size | 64KB (64K x 8) |
| Data-Converters | A/D 14x12b, D/A 1x10b |
| Oscillator-Type | Internal |
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