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Specification Comparison: AT91SAM7XC256-AU vs AT91SAM7S321-AU vs AT91SAM7SE256-CU
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| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | LQFP-100 | LQFP-64 | LFBGA-144 |
| Description | Integrated Circuit featuring an ARM7 Microcontroller unit with 256KB of Flash memory in a 100-LQFP package | 55MHz clock speed | With a clock speed of 48MHz and generous memory resources |
| Stock | 3739 | 4592 | 5803 |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Microcontrollers |
| Series | SAM7X/XC | SAM7S/SE | SAM7SE |
| RoHS | Details | Details | |
| Mounting Style | SMD/SMT | SMD/SMT | |
| Package / Case | LQFP-100 | LQFP-64 | |
| Core | ARM7TDMI | ARM7TDMI | |
| Program Memory Size | 256 kB | 32 kB | |
| Data Bus Width | 32 bit | 32 bit/16 bit | |
| Maximum Clock Frequency | 20 MHz | 55 MHz | |
| Number of I/Os | 62 I/O | 32 I/O | |
| Data RAM Size | 64 kB | 8 kB | |
| Supply Voltage - Min | 1.65 V | 1.65 V | |
| Supply Voltage - Max | 1.95 V | 1.95 V | |
| Minimum Operating Temperature | - 40 C | - 40 C | |
| Maximum Operating Temperature | + 85 C | + 85 C | |
| Analog Supply Voltage | 3.3 V | 3.3 V | |
| Brand | Microchip Technology | Microchip Technology | |
| Height | 1.4 mm | 1.4 mm | |
| I/O Voltage | 3.3 V | 1.65 V to 3.6 V | |
| Interface Type | SPI, TWI, UART | I2C, SPI, USART, USB | |
| Length | 14 mm | 10 mm | |
| Moisture Sensitive | Yes | Yes | |
| Number of Timers/Counters | 4 Timer | 3 Timer | |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | |
| Program Memory Type | Flash | Flash | |
| Factory Pack Quantity | 90 | 480 | |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | |
| Width | 14 mm | 10 mm | |
| Unit Weight | 0.046530 oz | 0.012088 oz | |
| Part # Aliases | AT91SAM7XC256B-AU | ||
| ADC Resolution | 10 bit | ||
| Data RAM Type | RAM | ||
| Number of ADC Channels | 8 Channel | ||
| Processor Series | SAM7S | ||
| Product | MCU | ||
| Watchdog Timers | Watchdog Timer | ||
| Packaging | Tray | ||
| Package-Case | 144-BGA (13x13) | ||
| Operating-Temperature | 88 I/O | ||
| Supplier-Device-Package | ARM7R | ||
| Number-of-I-O | 32K x 8 | ||
| Speed | FLASH | ||
| EEPROM-Size | Brown-out Detect/Reset, POR, PWM, WDT | ||
| Core-Processor | 16/32-Bit | ||
| RAM-Size | Internal |
Part Number
Start with: AT91S
Part Number "AT91S" returned 22 results; all results matched and started with "AT91S".
| Part Number | Description | Brand | Package/Case | Lifecycle Status | Cargo cycle | In Stock | Operation |
|---|---|---|---|---|---|---|---|
| AT91SAM7X256-AU |
High-performance microcontroller with ample memory and processing capabilities |
Microchip | LQFP-100 | Discontinued | 3~7 Days | 7,252.00 | |
| AT91SAM7S256-AU |
The AT91SAM7S256-AU comes in a PQFP64 package and offers efficient performance for developers seeking a reliable solution for their projects |
Microchip Technology | LQFP-64 | 3~7 Days | 3,718.00 | ||
| AT91SAM7X512-AU |
Four Pulse Width Modulation channels |
Microchip Technology | LQFP-100 | 3~7 Days | 5,271.00 | ||
| AT91SAM9263B-CU |
Advanced 32-bit MPU |
Microchip | TFBGA-324 | 3~7 Days | 7,359.00 | ||
| AT91SAM7X512B-AU |
MCU with 32-bit ARM7TDMI RISC and 512KB Flash memory, operates at 1.8V, 2.5V, or 3.3V |
Microchip Technology | LQFP-100 | 3~7 Days | 5,315.00 | ||
| AT91SAM9261-CJ |
With its advanced architecture and fast processing capabilities |
Microchip Technology | BGA-217 | Discontinued | 3~7 Days | 7,903.00 | |
| AT91SAM9G20-CU |
High-performance embedded processor |
Microchip Technology | LFBGA-217 | Obsolete | 3~7 Days | 3,698.00 | |
| AT91SAM7XC512-AU |
Low voltage operation capabilities of 1.8V/2.5V/3.3V |
Microchip Technology | LQFP-100 | 3~7 Days | 7,636.00 | ||
| AT91SAM7XC256B-AU |
High-Performance ARM Microcontrollers Suitable for Industrial Applications |
Microchip Technology | LQFP-100 | 3~7 Days | 6,967.00 | ||
| AT91SAM7X128-AU |
AT91SAM7X128-AU is an ARM microcontroller with 128kB Flash, 32kB SRAM, and 55MHz processing speed |
Microchip Technology | LQFP-100 | Active | 3~7 Days | 7,107.00 | |
| AT91SAM7S256-AU-001 |
ARM microcontroller with Thumb-based RISC architecture, featuring a 32-bit ARM7 CPU running at 55MHz and utilizing flash memory |
Microchip Technology | LQFP-64 | Discontinued | 3~7 Days | 7,806.00 | |
| AT91SAM9M10-CU |
Atmel AT91SAM9M10-CU microcontroller features a 32-bit ARM926EJ-S core running at 400MHz |
Microchip Technology | TFBGA-324 | Discontinued | 3~7 Days | 7,354.00 | |
| AT91SAM9263-CU |
RISC Microcontroller |
ATMEL | TFBGA-324 | OBSOLETE | 3~7 Days | 6,009.00 | |
| AT91SAM7S256-MU |
AT91SAM7S256-MU is a high-performance 32-bit microcontroller |
Microchip Technology | LQFP-48 | Discontinued | 3~7 Days | 6,441.00 | |
| AT91SAM7SE256-AU |
ARM-based flash microcontroller with 32-bit RISC architecture |
Microchip Technology | LQFP-128 | 3~7 Days | 5,555.00 | ||
| AT91SAM9XE512-QU |
32bit ARM926EJ-S Microcontroller |
Microchip Technology | PQFP-208 | 3~7 Days | 7,454.00 | ||
| AT91SAM7X128B-AU |
Operating at 55MHz for fast performance |
Microchip Technology | LQFP-100 | 3~7 Days | 6,276.00 | ||
| AT91SAM7S32B-AU |
32-bit ARM7TDMI microcontroller with 32KB Flash and 8KB RAM |
Microchip Technology | LQFP-48 | 3~7 Days | 7,268.00 | ||
| AT91SAM7S64-AU |
Compact microcontroller |
ATMEL | QFP64 | 3~7 Days | 3,752.00 | ||
| AT91SAM7S512-MU |
AT91SAM7S512-MU |
MICROCHIP TECHNOLOGY | QFN | Discontinued | 3~7 Days | 7,717.00 | |
| AT91SAM7S256C-AU |
AT91SAM7S256C-AU LQFP-64(10x10) MPU |
Microchip Technology | LQFP-64 | Discontinued | 3~7 Days | 5,866.00 | |
| AT91SAM7S512-AU |
ARM Microcontrollers - MCU |
MICROCHIP TECHNOLOGY | QFP | 3~7 Days | 7,749.00 |