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Datasheet ATSAM3U4CA-CU - Atmel ARM Microcontrollers (MCU) 256K Flash, 52K SRAM 32- bit ARM Cortex M3


Part Number: ATSAM3U4CA-CU

Manufacturer: Atmel

Description: ARM Microcontrollers (MCU) 256K Flash, 52K SRAM 32- bit ARM Cortex M3

data sheetDownload Data Sheet

· 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 DM


  • Clock Frequency Max: 96 MHz
  • Core: ARM Cortex M3
  • Data Bus Width: 32 bit
  • Interface: 3xUSART, 4xSPI, Bus, TWI
  • Mounting Style: SMD/SMT
  • Number of I/O Lines: 57
  • Number of Timers: 8
  • Operating Supply Voltage: 1.62 V to 3.6 V
  • Operating Temperature Range: - 40 C to + 85 C
  • Package / Case: TFBGA-100
  • Processor Series: ATSAM3x
  • Program Memory Size: 256 Kb
  • Program Memory Type: Flash
  • RAM Size: 52 Kb
  • Tradename: Cortex-M3, Cortex
  • RoHS: Yes

Other Names:


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