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| Part Number | EFM8SB20F32G-A-QFN24R |
| Datasheet | EFM8SB20F32G-A-QFN24R datasheet |
| Description | IC MCU 8BIT 32KB FLASH 24QFN |
| Manufacturer | Silicon Labs |
| Series | Sleepy Bee |
| Part Status | Discontinued at Digi-Key |
| Core Processor | CIP-51 8051 |
| Core Size | 8-Bit |
| Speed | 25MHz |
| Connectivity | EBI/EMI, I²C, SMBus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 4.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 15x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 24-WFQFN Exposed Pad |
| Base Part Number | 24-QFN (4x4) |