16-bit Microcontroller (MCU) featuring a C166SV2 core with CISC/DSP/RISC instruction set architecture. Operates at a maximum clock rate of 66 MHz, offering 160KB of Flash program memory and 12KB of RAM. Includes 33 programmable I/Os, 5 timers, and multiple interface types including I2C, I2S, LIN, SPI, and UART. Packaged in a 48-pin VQFN EP (Very Thin Quad Flat No Lead Package, Exposed Pad) with a 7mm x 7mm footprint, suitable for surface mounting. Supports a wide operating voltage range from 3.3V to 5.5V and operates across an extended temperature range of -40°C to 125°C.
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| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | VQFN EP |
| Package Description | Very Thin Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 48 |
| PCB | 48 |
| Package Length (mm) | 7 |
| Package Width (mm) | 7 |
| Package Height (mm) | 0.85(Max) |
| Seated Plane Height (mm) | 0.9(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | XE166 |
| Data Bus Width | 16bit |
| Instruction Set Architecture | CISC|DSP|RISC |
| Maximum Clock Rate | 66MHz |
| Maximum CPU Frequency | 66MHz |
| Device Core | C166SV2 |
| Program Memory Type | Flash |
| Program Memory Size | 160KB |
| RAM Size | 12KB |
| Number of Programmable I/Os | 33 |
| Core Architecture | C166 |
| Programmability | Yes |
| Number of Timers | 5 |
| Interface Type | I2C/I2S/LIN/SPI/UART |
| CAN | 0 |
| I2C | 4 |
| SPI | 4 |
| Ethernet | 0 |
| UART | 4 |
| USART | 0 |
| USB | 0 |
| I2S | 4 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 125°C |
| ADC Channels | 10 |
| Number of ADCs | Single |
| Cage Code | CG091 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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