ATSAM3U1CB-AU vs ATSAM3U4CA-AU Comparison

Detailed side-by-side comparison of ATSAM3U1CB-AU by Microchip Technology and ATSAM3U4CA-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
ATSAM3U1CB-AU ATSAM3U1CB-AU - 96MHz Cortex-M3 MCU | Microchip Technology

ATSAM3U1CB-AU - 96MHz Cortex-M3 MCU | Microchip Technology

ATSAM3U1CB-AU ✓ Active
Microchip Technology
ATSAM3U4CA-AU ATSAM3U4CA-AU - 96MHz 256KB Flash MCU | Microchip

ATSAM3U4CA-AU - 96MHz 256KB Flash MCU | Microchip

ATSAM3U4CA-AU ✓ Active

Specification Comparison

Parameter ATSAM3U1CB-AU ATSAM3U4CA-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Product Type 32-bit ARM Cortex-M3 flash microcontroller 32-bit ARM Flash microcontroller
Maximum CPU Frequency 96 MHz 96 MHz
Processor Core ARM Cortex-M3 revision 2.0 ARM Cortex-M3 revision 2.0
Architecture 32-bit RISC —
Embedded Flash Memory 64 KB 256 KB
Flash Memory Organization 64K x 8 bits —
Instruction Set Thumb-2 Thumb-2, 32-bit RISC
Memory Protection Unit Yes Yes
USB Interface High-speed USB device port with embedded transceiver USB 2.0 device, 480 Mbps
Multimedia Card Interface High-speed MCI for SDIO, SD, and MMC —
External Bus External bus interface —
Package Type 100-pin LQFP —
Package Dimensions 14 mm x 14 mm —
Mounting Type Surface mount Surface mount
Operating Temperature Range -40 °C to +85 °C [DATA_NEEDED: operating temperature range]
Lifecycle Status Active Active
RoHS Status [DATA_NEEDED: RoHS status] —
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] —
Flash Organization — Dual-bank, 128-bit-wide access
Embedded SRAM — 52 KB
Operating Voltage — 1.8 V or 3.3 V
USB FIFO — 4 KB
USB Endpoints — Up to 7 bidirectional endpoints
USART Count — Up to 4
UART Count — 1
TWI Interfaces — Up to 2
SPI Interface — 1
SSC Interface — 1
HSMCI Controller — 1
RTC Backup Current — 0.6 µA
Package — 100-pin LQFP, 14 x 14 mm
RoHS Compliance — [DATA_NEEDED: RoHS compliance status]
REACH Compliance — [DATA_NEEDED: REACH compliance status]

Datasheets & Resources

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