ATSAM3S1AA-AU vs AT91SAM7S32B-MU feature comparison

ATSAM3S1AA-AU Atmel Corporation

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AT91SAM7S32B-MU Atmel Corporation

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Pbfree Code Yes
Rohs Code Yes Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP QFN
Package Description 7 X 7 MM, 0.50 MM PITCH, GREEN, MS-026, LQFP-48 GREEN, MO-220, QFN-48
Pin Count 48 48
Reach Compliance Code unknown compliant
HTS Code 8542.31.00.01 8542.31.00.01
Samacsys Manufacturer Microchip Microchip
Has ADC YES YES
Address Bus Width
Bit Size 32 32
CPU Family CORTEX-M3 ARM7
Clock Frequency-Max 20 MHz 50 MHz
DAC Channels NO NO
DMA Channels YES YES
External Data Bus Width
JESD-30 Code S-PQFP-G48 S-PQCC-N48
JESD-609 Code e3
Length 7 mm 7 mm
Moisture Sensitivity Level 3
Number of I/O Lines 34 21
Number of Terminals 48 48
On Chip Program ROM Width 8 8
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels YES YES
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code LFQFP HVQCCN
Package Equivalence Code QFP48,.35SQ,20 LCC48,.27SQ,20
Package Shape SQUARE SQUARE
Package Style FLATPACK, LOW PROFILE, FINE PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 16384 8192
ROM (words) 65536 32768
ROM Programmability FLASH FLASH
Seated Height-Max 1.6 mm 0.9 mm
Speed 64 MHz 55 MHz
Supply Voltage-Max 1.95 V 1.95 V
Supply Voltage-Min 1.8 V 1.8 V
Supply Voltage-Nom 1.8 V 1.8 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING NO LEAD
Terminal Pitch 0.5 mm 0.5 mm
Terminal Position QUAD QUAD
Width 7 mm 7 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC MICROCONTROLLER, RISC
Base Number Matches 1 1
ECCN Code 3A991.A.2
Additional Feature ALSO REQUIRES 3.3V SUPPLY

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