| PartNumber | SIM3L166-C-GQ | SIM3L166-C-GQ1 | SIM3L166-C-GQ1R |
| Description | ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-64 | TQFP-64 | TQFP-64 |
| Series | SiM3L166 | SiM3L166 | SiM3L166 |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 51 I/O | 51 I/O | 51 I/O |
| Operating Supply Voltage | 1.8 V to 3.8 V | 1.8 V to 3.8 V | 1.8 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | - | - |
| Height | 1.2 mm | - | - |
| Length | 12 mm | - | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 12 mm | - | - |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, SPI, UART, USART | I2C, SPI, UART, USART | I2C, SPI, UART, USART |
| DAC Resolution | 10 bit | 10 bit | 10 bit |
| I/O Voltage | 3.8 V | 3.8 V | 3.8 V |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 23 Channel | 23 Channel | 23 Channel |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | SiM3L1xx | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 160 | 500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | 3.8 V | 3.8 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Tradename | Precision32 | Precision32 | Precision32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.012720 oz | - | - |