AT91SAM7S512B-AU vs ATSAM3S4BA-MU feature comparison

AT91SAM7S512B-AU Atmel Corporation

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ATSAM3S4BA-MU Atmel Corporation

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Rohs Code Yes Yes
Part Life Cycle Code Transferred Transferred
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP QFN
Package Description GREEN, MS-026, LQFP-64 9 X 9 MM, 0.50 MM PITCH, GREEN, MO-220, QFN-64
Pin Count 64 64
Reach Compliance Code compliant compliant
ECCN Code 3A991.A.2
HTS Code 8542.31.00.01 8542.31.00.01
Samacsys Manufacturer Microchip Microchip
Has ADC YES YES
Additional Feature ALSO REQUIRES 3.3V SUPPLY
Address Bus Width
Bit Size 32 32
CPU Family ARM7 CORTEX-M3
Clock Frequency-Max 50 MHz 20 MHz
DAC Channels NO YES
DMA Channels YES YES
External Data Bus Width
JESD-30 Code S-PQFP-G64 S-XQCC-N64
Length 10 mm 9 mm
Number of I/O Lines 32 47
Number of Terminals 64 64
On Chip Program ROM Width 8 32
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels YES YES
Package Body Material PLASTIC/EPOXY UNSPECIFIED
Package Code LFQFP HVQCCN
Package Equivalence Code QFP64,.47SQ,20 LCC64,.35SQ,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) 65536 49152
ROM (words) 524288 65536
ROM Programmability FLASH FLASH
Seated Height-Max 1.6 mm 1 mm
Speed 55 MHz 64 MHz
Supply Voltage-Max 1.95 V 1.95 V
Supply Voltage-Min 1.65 V 1.62 V
Supply Voltage-Nom 1.8 V 1.8 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form GULL WING NO LEAD
Terminal Pitch 0.5 mm 0.5 mm
Terminal Position QUAD QUAD
Width 10 mm 9 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC MICROCONTROLLER, RISC
Base Number Matches 2 1
Pbfree Code Yes
JESD-609 Code e3
Terminal Finish MATTE TIN

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