| TYPE | DESCRIPTION |
| Mfr | Silicon Labs |
| Series | Busy Bee |
| Package | Strip |
| Product Status | ACTIVE |
| Package / Case | 12-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Speed | 50MHz |
| Program Memory Size | 4KB (4K x 8) |
| RAM Size | 512 x 8 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Oscillator Type | Internal |
| Program Memory Type | FLASH |
| Core Processor | CIP-51 8051 |
| Data Converters | A/D 16x12b SAR |
| Core Size | 8-Bit |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Connectivity | I2C, SMBus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Supplier Device Package | 12-QFN (2x2) |
| Number of I/O | 9 |
Shipping fee
Shipping starts at $40, but can be over $40 for some countries. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
Basic shipping charges (package ≤0.5kg or corresponding volume) depend on time zone and country.
Mailing method
Currently, our products are shipped via DHL, FedEx, SF and UPS.
Delivery time
Once the goods are shipped, the estimated delivery time depends on the shipping method you choose:
FedEx International, 5-7 business days.
The following are logistics times for some common countries.
