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| Part Number | CY8C20424-12LKXI | CY8C20424-12LQXI | CY8C20434-12LKXI | CY8C20224-12LKXI | 
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | 
| Core Processor | M8C | M8C | M8C | M8C | 
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 
| Speed | 12MHz | 12MHz | 12MHz | 12MHz | 
| Connectivity | I²C, SPI | I²C, SPI | I²C, SPI | I²C, SPI | 
| Peripherals | LVD, POR, WDT | LVD, POR, WDT | LVD, POR, WDT | LVD, POR, WDT | 
| Number of I/O | 28 | 28 | 28 | 12 | 
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 
| Program Memory Type | Flash | Flash | Flash | Flash | 
| EEPROM Size | - | - | - | - | 
| RAM Size | 512 x 8 | 512 x 8 | 512 x 8 | 512 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 5.25V | 2.4V ~ 5.25V | 2.4V ~ 5.25V | 2.4V ~ 5.25V | 
| Data Converters | - | - | - | - | 
| Oscillator Type | Internal | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 32-UFQFN Exposed Pad | 32-UFQFN Exposed Pad | 32-UFQFN Exposed Pad | 16-UFQFN | 
| Supplier Device Package | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) | 16-QFN (3x3) |