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| TYPE | DESCRIPTION |
| Mfr | Nuvoton Technology Corporation |
| Series | W90 |
| Package | Tray |
| Product Status | OBSOLETE |
| Package / Case | 176-LQFP |
| Mounting Type | Surface Mount |
| Speed | 80MHz |
| RAM Size | 10K x 8 |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Oscillator Type | External |
| Program Memory Type | ROMless |
| Core Processor | ARM7® |
| Core Size | 32-Bit Single-Core |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Connectivity | EBI/EMI, Ethernet, UART/USART, USB |
| Peripherals | DMA, POR, WDT |
| Number of I/O | 21 |
| DigiKey Programmable | Not Verified |
