| PartNumber | AT91SAM9CN12B-CFU | AT91SAM9CN12B-CFUR | AT91SAM9CN12B-CU |
| Description | Microprocessors - MPU BGA, GREEN, IND TEMP CRYPTO, MRL A | Microprocessors - MPU BGAGREEN,IND TEMP,CRYPTO, MRL A | Microprocessors - MPU BGA,GREEN,IND TEMP,CRYPTO, MRL A |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Microprocessors - MPU | Microprocessors - MPU | Microprocessors - MPU |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | BGA-247 | BGA-247 | LFBGA-217 |
| Series | SAM9CN12 | SAM9CN12 | SAM9CN12 |
| Core | ARM926EJ-S | ARM926EJ-S | ARM926EJ-S |
| Number of Cores | 1 Core | 1 Core | 1 Core |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 400 MHz | 400 MHz | 400 MHz |
| L1 Cache Instruction Memory | 16 kB | 16 kB | 16 kB |
| L1 Cache Data Memory | 16 kB | 16 kB | 16 kB |
| 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 |
| Packaging | Tray | Reel | Tray |
| Memory Type | L1 Cache, ROM, SRAM | L1 Cache, ROM, SRAM | L1 Cache, ROM, SRAM |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| Data ROM Size | 128 kB | 128 kB | 128 kB |
| Interface Type | 2-Wire, Serial, UART, USB | 2-Wire, Serial, UART, USB | 2-Wire, Serial, UART, USB |
| Number of I/Os | 105 I/O | 105 I/O | 105 I/O |
| I/O Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | 1.8 V, 3.3 V |
| Number of Timers/Counters | 2 x 32 bit | 2 x 32 bit | 2 x 32 bit |
| Processor Series | SAM9CN | SAM9CN | SAM9CN |
| Factory Pack Quantity | 240 | 1000 | 126 |
| Unit Weight | 0.007242 oz | 0.007242 oz | 0.076544 oz |
| Moisture Sensitive | - | Yes | Yes |
| RoHS | - | - | Y |