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| Part Number | CY8C3666AXI-031 | CY8C3666AXI-037 | CY8C3666AXI-036 | CY8C3666AXI-034 | CY8C3666AXA-031 |
|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Active | Active | Obsolete | Active |
| Core Processor | 8051 | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 67MHz | 67MHz | 67MHz | 67MHz | 67MHz |
| Connectivity | EBI/EMI, I²C, LINbus, SPI, UART/USART | CANbus, EBI/EMI, I²C, LINbus, SPI, UART/USART | EBI/EMI, I²C, LINbus, SPI, UART/USART, USB | EBI/EMI, I²C, LINbus, SPI, UART/USART, USB | EBI/EMI, I²C, LINbus, SPI, UART/USART |
| Peripherals | CapSense, DMA, LCD, POR, PWM, WDT | CapSense, DMA, LCD, POR, PWM, WDT | CapSense, DMA, LCD, POR, PWM, WDT | CapSense, DMA, POR, PWM, WDT | CapSense, DMA, LCD, POR, PWM, WDT |
| Number of I/O | 62 | 62 | 62 | 62 | 62 |
| Program Memory Size | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V | 1.71V ~ 5.5V |
| Data Converters | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b | A/D 16x12b; D/A 4x8b |
| Oscillator Type | Internal | 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) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP | 100-LQFP |
| Supplier Device Package | 100-TQFP (14x14) | 100-TQFP (14x14) | 100-TQFP (14x14) | 100-TQFP (14x14) | 100-TQFP (14x14) |
