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| PartNumber | SIM3U167-B-GM | SIM3U167-B-GMR | SIM3U167-B-GDI |
| Description | ARM Microcontrollers - MCU ARM Cortex-32-bit 80 MHz 256 kB USB EMIF MCU | ARM Microcontrollers - MCU USB, 256KB, LGA92 | Microcontrollers - MCU ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Labs |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LGA-92 | - | - |
| Series | SIM3U167 | SIM3U167 | SiM3U1xx |
| Core | ARM Cortex M3 | - | - |
| Data Bus Width | 32 bit | - | - |
| Maximum Clock Frequency | 80 MHz | - | - |
| Program Memory Size | 256 kB | - | 256KB (256K x 8) |
| Data RAM Size | 32 kB | - | - |
| Number of I/Os | 65 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Reel | Bulk |
| Brand | Silicon Labs | Silicon Labs | - |
| Interface Type | 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 2 Timer | - | - |
| Processor Series | SIM3U1xx | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 297 | 2500 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | Precision32 | Precision32 | - |
| Package Case | - | - | Die |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | Die |
| Number of I O | - | - | 65 |
| Speed | - | - | 80MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 32K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Connectivity | - | - | EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.8 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 32x12b, D/A 2x10b |
| Oscillator Type | - | - | Internal |