8-bit CISC microcontroller featuring an 8051 core architecture and 12KB FLASH memory. Operates at up to 24MHz with 256B RAM. Offers SPI, UART, and USART interfaces, 32 programmable I/Os, and 3 timers/counters. Supports 3.3V/5V operation with a voltage range of 2.7V to 5.5V. Packaged in a 44-pin TQFP for surface mounting.
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| Access Time | 24us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Interface | SPI, UART, USART |
| Lead Free | Contains Lead |
| Max Frequency | 24MHz |
| Max Operating Temperature | 70°C |
| Memory Size | 12KB |
| Memory Type | FLASH, |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | POR, WDT |
| RAM Size | 256B |
| RoHS Compliant | No |
| Series | 89S |
| RoHS | Not Compliant |
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