PartNumber | ATSAM3U4CA-AU | ATSAM3U4EA-AU | ATSAM3U4CA-CU |
Description | ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 | ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 | ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3 |
Manufacturer | Microchip | Microchip | Microchip |
Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
RoHS | Y | Y | Y |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | LQFP-100 | LQFP-144 | TFBGA-100 |
Series | SAM3U | SAM3U | SAM3U |
Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
Data Bus Width | 32 bit | 32 bit | 32 bit |
Maximum Clock Frequency | 96 MHz | 96 MHz | 96 MHz |
Program Memory Size | 256 kB | 256 kB | 256 kB |
Data RAM Size | 52 kB | 52 kB | 52 kB |
Number of I/Os | 57 I/O | 96 I/O | 57 I/O |
Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
Packaging | Tray | Tray | Tray |
Height | 1.4 mm | 1.4 mm | - |
Length | 14 mm | 20 mm | - |
Product | MCU | MCU | MCU |
Program Memory Type | Flash | Flash | Flash |
Width | 14 mm | 20 mm | - |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Interface Type | 3xUSART, 4xSPI, Bus, TWI | 2xTWI, 4xUSART, 5xSPI, Bus | 3xUSART, 4xSPI, Bus, TWI |
I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
Moisture Sensitive | Yes | Yes | Yes |
Number of Timers/Counters | 8 Timer | 8 Timer | 8 Timer |
Processor Series | ATSAM3x | ATSAM3x | ATSAM3x |
Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
Factory Pack Quantity | 90 | 60 | 260 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Supply Voltage Max | 1.95 V | 1.95 V | 1.95 V |
Supply Voltage Min | 1.62 V | 1.62 V | 1.62 V |
Tradename | Cortex-M3, Cortex | Cortex-M3, Cortex | Cortex-M3, Cortex |
Unit Weight | 0.046530 oz | 0.045518 oz | 0.063987 oz |