8-bit microcontroller (MCU) featuring an 8051 core architecture and CISC instruction set. Offers 64KB FLASH memory and 8448B RAM, operating at frequencies from 240 MHz to 960 MHz. Supports I2C, SPI, and UART interfaces, with 53 programmable I/Os and 4 timers/counters. Operates from 1.8V to 3.8V supply voltage, with a 2.5V/3.3V nominal operating voltage, and includes a watchdog timer. Delivers 256Kbps data rate and -121dBm sensitivity, with current consumption of 18.5mA (receiving) and 30mA (transmitting). Packaged in an 85-pin LGA, this RoHS compliant component operates between -40°C and 85°C.
Silicon Labs SI1025-A-GM technical specifications.
| Package/Case | LGA |
| Core Architecture | 8051 |
| Current - Receiving | 18.5mA |
| Current - Transmitting | 30mA |
| Data Bus Width | 8b |
| Data Rate | 256Kbps |
| Frequency | 960MHz |
| Interface | I2C, SPI, UART, SMBus |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.8V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.8V |
| Number of GPIO | 53 |
| Number of I/Os | 53 |
| Number of Programmable I/O | 53 |
| Number of Timers/Counters | 4 |
| Operating Frequency | 240 MHz to 960 MHz |
| Operating Supply Voltage | 3.3V |
| Package Quantity | 43 |
| Packaging | Tray |
| Radiation Hardening | No |
| RAM Size | 8448B |
| RoHS Compliant | Yes |
| Sensitivity | -121dBm |
| Watchdog Timer | Yes |
| RoHS | Compliant |
Download the complete datasheet for Silicon Labs SI1025-A-GM to view detailed technical specifications.
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