32-bit ARM Cortex M3 RISC microcontroller featuring 256KB Flash program memory and 64KB RAM. Operates at up to 84 MHz with multiple interface types including CAN, I2C, SPI, UART, USART, USB, and I2S. Offers 16 ADC channels and 2x 12-bit DAC channels. Packaged in a 100-pin LQFP (14x14mm) for surface mounting.
PackageLQFP
MountingSurface Mount
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Technical Specifications
Microchip ATSAM3A4CA-AU technical specifications.
General
Basic Package Type
Lead-Frame SMT
Package Family Name
QFP
Package/Case
LQFP
Package Description
Low Profile Quad Flat Package
Lead Shape
Gull-wing
Pin Count
100
PCB
100
Package Length (mm)
14
Package Width (mm)
14
Package Height (mm)
1.4
Seated Plane Height (mm)
1.6(Max)
Pin Pitch (mm)
0.5
Package Material
Plastic
Mounting
Surface Mount
Jedec
MS-026BED
Family Name
SAM3A
Data Bus Width
32bit
Instruction Set Architecture
RISC
Maximum Clock Rate
84MHz
Maximum CPU Frequency
84MHz
Device Core
ARM Cortex M3
Program Memory Type
Flash
Program Memory Size
256KB
RAM Size
64KB
Number of Programmable I/Os
63
Core Architecture
ARM
Programmability
Yes
Number of Timers
1
Interface Type
CAN/I2C/I2S/SPI/UART/USART/USB
CAN
2
I2C
2
SPI
4
Ethernet
0
UART
4
USART
4
USB
1
I2S
1
Max Operating Supply Voltage
3.6V
Min Operating Temperature
-40°C
Max Operating Temperature
85°C
ADC Channels
16
Number of ADCs
Single
DAC Channels
2
DAC Resolution
12bit
Number of DACs
Single
Compliance
Cage Code
60991
EU RoHS
Yes
HTS Code
8542310001
Schedule B
8542310000
ECCN
3A991.a.2
Automotive
No
AEC Qualified
No
PPAP
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Microchip ATSAM3A4CA-AU Datasheet
Download the complete datasheet for Microchip ATSAM3A4CA-AU to view detailed technical specifications.
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