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| PartNumber | C8051F38B-B-GQ | C8051F38B-B-GM | C8051F38B-B-GMR |
| Description | 8-bit Microcontrollers - MCU Flash-32k-ADC-QFN32 | 8-bit Microcontrollers - MCU Flash-32k-ADC-QFN32 | 8-bit Microcontrollers - MCU Flash-32k-ADC-QFN32 |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-32 | - | - |
| Core | 8051 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 48 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 4.25 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 25 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.25 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Interface Type | I2C, SPI, UART | - | - |
| Analog Supply Voltage | 2.7 V to 5.25 V | - | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 6 x 16 bit | - | - |
| Processor Series | C8051 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 73 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.25 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Packaging | - | Tube | Reel |