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| PartNumber | Z8F3221VN020EG | Z8F3221VN020EC | Z8F3221VN020EC00TR |
| Description | 8-bit Microcontrollers - MCU 32K FLASH ENHANCED 2K RAM 2 UARTS | 8-bit Microcontrollers - MCU 32K FLASH ENHANCED 2K RAM 2 UARTS | IC MCU 8BIT 32KB FLASH 44PLCC |
| Manufacturer | ZiLOG | ZiLOG | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-44 | PLCC-44 | - |
| Series | Z8F322 | Z8F322 | - |
| Core | eZ8 | eZ8 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 20 MHz | 20 MHz | - |
| Program Memory Size | 32 kB | 32 kB | - |
| Data RAM Size | 2 kB | 2 kB | - |
| Number of I/Os | 31 I/O | 31 I/O | - |
| Operating Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tube | Tube | - |
| Height | 3.86 mm | 3.86 mm | - |
| Length | 16.66 mm | 16.66 mm | - |
| Program Memory Type | Flash | Flash | - |
| Width | 16.66 mm | 16.66 mm | - |
| Brand | ZiLOG | ZiLOG | - |
| Data ROM Type | Flash | Flash | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 3 Timer | 16 Timer | - |
| Processor Series | Z8F322x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Unit Weight | 0.084185 oz | 0.084185 oz | - |
| ADC Resolution | - | 10 bit | - |
| Number of ADC Channels | - | 12 | - |