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| Part Number | XC8221FRAAAKXUMA1 | XC8221FRAAAFXUMA1 | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Product Status | Last Time Buy | Discontinued at Digi-Key | 
| Core Processor | XC800 | XC800 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 24MHz | 24MHz | 
| Connectivity | I²C, SSC, UART/USART | I²C, SSC, UART/USART | 
| Peripherals | Brown-out Detect/Reset, LED, POR, PWM, WDT | Brown-out Detect/Reset, LED, POR, PWM, WDT | 
| Number of I/O | 13 | 13 | 
| Program Memory Size | 4KB (4K x 8) | 4KB (4K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 512 x 8 | 512 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.5V ~ 5.5V | 2.5V ~ 5.5V | 
| Data Converters | A/D 4x10b | A/D 4x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | - | - | 
| Package / Case | - | - | 
| Supplier Device Package | - | - |