8-bit microcontroller featuring an 8051 core architecture, operating at up to 25MHz. This CMOS device offers 8KB of OTP/EPROM memory and 1.25KB of RAM. It supports I2C, SPI, UART, USART, SMBus, and 2-Wire interfaces, with 29 programmable I/O pins. Integrated peripherals include POR, PWM, and WDT, alongside four timers/counters and an internal oscillator. Packaged in an LQFP with tin contact plating, it operates from 1.8V to 3.6V, with an operating temperature range of -40°C to 85°C.
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| Package/Case | LQFP |
| Contact Plating | Tin |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 25MHz |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 8KB |
| Memory Type | OTP, , EPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Number of Channels | 5 |
| Number of I/Os | 29 |
| Number of Programmable I/O | 29 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT |
| RAM Size | 1.25KB |
| RoHS Compliant | Yes |
| Series | C8051T61x |
| RoHS | Compliant |
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