Specifications
| Attribute | Value |
| Supplier | Microchip Technology |
| Package / Case | Tray |
| Series | 89C |
| Part Status | Obsolete |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 40MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 48 |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 1.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.6V |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
