| PartNumber | AT91SAM9G45-CU | AT91SAM9G45B-CU | AT91SAM9G45-CU-999 |
| Description | Microprocessors - MPU 64K SRAM, 64K ROM 400MHz, DDR2 | Microprocessors - MPU 64 KB SRAM MCU 400 MHz | Microprocessors - MPU IND TEMP MRL A |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | Microprocessors - MPU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TFBGA-324 | TFBGA-324 | TFBGA-324 |
| Series | SAM9G45 | SAM9G45 | SAM9G45 |
| Core | ARM926EJ-S | ARM926EJ-S | ARM926EJ-S |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 800 MHz | 400 MHz | 400 MHz |
| Operating Supply Voltage | 1 V | 1 V | 1 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Size | 64 kB | 64 kB | 64 kB |
| Interface Type | I2C, SPI, UART | I2C, I2S, SPI, UART, USART, USB | 2-Wire, SPI, UART, USART |
| Number of I/Os | 160 I/O | 160 I/O | 160 I/O |
| I/O Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 5 Timer | 6 Timer | 6 Timer |
| Processor Series | AT91SAMx | SAM9G45 | AT91SAM |
| Factory Pack Quantity | 126 | 126 | 500 |
| Packaging | - | Tray | Reel |
| Data ROM Size | - | 64 kB | 64 kB |
| Watchdog Timers | - | Watchdog Timer | - |