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| PartNumber | AT91SAM7S32B-AU-999 | AT91SAM7S32B-AU | AT91SAM7S32B-AU-001 |
| Description | ARM Microcontrollers - MCU Ind. Temp Green | ARM Microcontrollers - MCU LQFP IND TEMP MRL B | MCU, 32BIT, ARM7TDMI, 55MHZ, LQFP-48 |
| Manufacturer | Microchip | Microchip | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-48 | LQFP-48 | - |
| Series | SAM7S/SE | SAM7S/SE | - |
| Core | ARM7TDMI | ARM7TDMI | - |
| Data Bus Width | 32 bit/16 bit | 32 bit/16 bit | - |
| Maximum Clock Frequency | 55 MHz | 55 MHz | - |
| Program Memory Size | 32 kB | 32 kB | - |
| Data RAM Size | 8 kB | 8 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 21 I/O | 21 I/O | - |
| Operating Supply Voltage | 1.8 V | 1.8 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tray | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | RAM | RAM | - |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 3 x 16 bit | 3 x 16 bit | - |
| Processor Series | SAM7S | SAM7S | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 2000 | 250 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.95 V | 1.95 V | - |
| Supply Voltage Min | 1.65 V | 1.65 V | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.006409 oz | 0.006409 oz | - |
| Height | - | 1.4 mm | - |
| Length | - | 7 mm | - |
| Width | - | 7 mm | - |
| Moisture Sensitive | - | Yes | - |