PartNumber | AT91SAM7S321-AU | AT91SAM7S32-AU-999 | AT91SAM7S32-AU-001 |
Description | ARM Microcontrollers - MCU 32-Bit MCU 55 MHz | ARM Microcontrollers - MCU Microcontroller | ARM Microcontrollers - MCU LQFP IND TEMP |
Manufacturer | Microchip | Microchip | Microchip |
Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
RoHS | Y | N | Y |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | LQFP-64 | LQFP-48 | LQFP-48 |
Series | SAM7S/SE | SAM7S/SE | SAM7S/SE |
Core | ARM7TDMI | ARM7TDMI | ARM7TDMI |
Data Bus Width | 32 bit/16 bit | 32 bit/16 bit | 32 bit/16 bit |
Maximum Clock Frequency | 55 MHz | 55 MHz | 55 MHz |
Program Memory Size | 32 kB | 32 kB | 32 kB |
Data RAM Size | 8 kB | 8 kB | 8 kB |
ADC Resolution | 10 bit | 10 bit | 10 bit |
Number of I/Os | 32 I/O | 21 I/O | 21 I/O |
Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
Height | 1.4 mm | 1.4 mm | 1.4 mm |
Length | 10 mm | 7 mm | 7 mm |
Product | MCU | MCU | MCU |
Program Memory Type | Flash | Flash | Flash |
Width | 10 mm | 7 mm | 7 mm |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Data RAM Type | RAM | RAM | RAM |
Interface Type | I2C, SPI, USART, USB | I2C, SPI, USART | I2C, SPI, USART, USB |
Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
I/O Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | 1.65 V to 3.6 V |
Moisture Sensitive | Yes | - | - |
Number of ADC Channels | 8 Channel | 8 Channel | 8 Channel |
Number of Timers/Counters | 3 x 16 bit | 3 x 16 bit | 3 x 16 bit |
Processor Series | SAM7S | SAM7S | SAM7S |
Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
Factory Pack Quantity | 480 | 2000 | 250 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Supply Voltage Max | 1.95 V | 1.95 V | 1.95 V |
Supply Voltage Min | 1.65 V | 1.65 V | 1.65 V |
Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
Unit Weight | 0.012088 oz | 0.006409 oz | 0.006409 oz |