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| TYPE | DESCRIPTION |
| Mfr | Silicon Labs |
| Series | Laser Bee |
| Package | Tray |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | CIP-51 8051 |
| Core Size | 8-Bit |
| Speed | 72MHz |
| Connectivity | I²C, SMBus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 28 |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 4.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V |
| Data Converters | A/D 20x14b; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-TQFP |
| Supplier Device Package | 32-QFP (7x7) |
| Base Product Number | EFM8LB12 |
1
3.91
3.91
10
3.51
35.1
25
3.318
82.95
80
2.8755
230.04
250
2.728
682
500
2.44784
1223.92
1000
2.06444
2064.44
2500
1.96122
4903.05
5000
1.88749
9437.45
