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| PartNumber | STR912FAW44X6T | STR912FAW42X6 | STR912FAW44X6 |
| Description | ARM Microcontrollers - MCU 16 Bit Flash MCU MCU Eth/Can/USB | IC MCU 32BIT 256KB FLASH 128LQFP | IC MCU 32BIT 512KB FLASH 128LQFP |
| Manufacturer | STMicroelectronics | ST | ST |
| Product Category | ARM Microcontrollers - MCU | Embedded - Microcontrollers | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP | - | - |
| Series | STR912FAW44 | STR9 | STR9 |
| Core | ARM966E-S | ARM966E-S | ARM966E-S |
| Data Bus Width | 32 bit/16 bit | 32 bit/16 bit | 32 bit/16 bit |
| Maximum Clock Frequency | 96 MHz | 96 MHz | 96 MHz |
| Program Memory Size | 512 kB | 256KB (256K x 8) | 512KB (512K x 8) |
| Data RAM Size | 96 kB | 96 kB | 96 kB |
| Number of I/Os | 80 I/O | - | - |
| Operating Supply Voltage | 1.8 V | 1.65 V to 2 V 2.7 V to 3.6 V | 1.65 V to 2 V 2.7 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray Alternate Packaging |
| Height | 1.4 mm | - | - |
| Length | 14 mm | - | - |
| Program Memory Type | Flash | FLASH | FLASH |
| Width | 14 mm | - | - |
| Brand | STMicroelectronics | - | - |
| Interface Type | CAN, I2C, IrDA, SSP, UART, USB | CAN I2C IrDA SSP UART USB | CAN I2C IrDA SSP UART USB |
| Analog Supply Voltage | 3.3 V | - | - |
| I/O Voltage | 3.3 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | STR912x | STR912x | STR912x |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 2 V | - | - |
| Supply Voltage Min | 1.65 V | - | - |
| Unit Weight | 0.046530 oz | 0.046530 oz | 0.046530 oz |
| Product | - | MCU | MCU |
| Package Case | - | LQFP | LQFP |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | * | * |
| Number of I O | - | 80 | 80 |
| Speed | - | 96MHz | 96MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | ARM9R | ARM9R |
| RAM Size | - | 96K x 8 | 96K x 8 |
| Peripherals | - | Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT | Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT |
| Connectivity | - | CAN, EBI/EMI, Ethernet, I2C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB | CAN, EBI/EMI, Ethernet, I2C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | 1.65 V ~ 2 V | 1.65 V ~ 2 V |
| Core Size | - | 32-Bit | 32-Bit |
| Data Converters | - | A/D 8x10b | A/D 8x10b |
| Oscillator Type | - | Internal | Internal |
| Supply Voltage Max | - | 2 V 3.6 V | 2 V 3.6 V |
| Supply Voltage Min | - | 1.65 V 1.77 V 2.5 V 2.7 V | 1.65 V 1.77 V 2.5 V 2.7 V |
| Number of I Os | - | 80 I/O | 80 I/O |
| Number of Timers Counters | - | 4 Timer | 4 Timer |
