The W78E058DFG is a 32KB 8051 microcontroller with a core frequency of 40MHz and a maximum operating temperature of 85°C. It operates on a supply voltage range of 2.4V to 5.5V and is packaged in a PQFP package. The device features 36 I/Os, 3 timers/counters, and 512B of RAM. It also includes peripherals such as a power-on reset and a watchdog timer. The W78E058DFG is RoHS compliant and suitable for use in a variety of applications.
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| Package/Case | PQFP |
| Core Architecture | 8051 |
| Frequency | 40MHz |
| Interface | UART, USART, EBI/EMI |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.4V |
| Mount | Surface Mount |
| Number of I/Os | 36 |
| Number of Timers/Counters | 3 |
| Oscillator Type | External |
| Peripherals | POR, WDT |
| Radiation Hardening | No |
| RAM Size | 512B |
| RoHS Compliant | Yes |
| Series | W78 |
| RoHS | Compliant |
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