| PartNumber | CY8C5666AXI-LP004 | CY8C5666AXI-LP001 | CY8C5666AXQ-LP004 |
| Description | ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ, 64K | ARM Microcontrollers - MCU 16KB RAM 64KB Flash PSoC 5LP | ARM Microcontrollers - MCU Programmable System- on-Chip |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-100 | TQFP-100 | TQFP-100 |
| Series | CY8C56LPxxx | - | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 67 MHz | 67 MHz | 67 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Tray |
| Height | 1.4 mm | - | - |
| Length | 14 mm | - | - |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Interface Type | SPI, UART, I2C | I2C, SPI, UART | I2C, I2S, LIN, SPI, UART |
| Analog Supply Voltage | 1.8 V | 1.8 V | 1.71 V to 5.5 V |
| I/O Voltage | 1.8 V | 1.8 V | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 2 | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | CY8C56LP | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 90 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Tradename | PSoC | - | - |
| Unit Weight | 0.023175 oz | 0.023175 oz | - |
| Data RAM Size | - | 16 kB | 16 kB |
| Data ROM Size | - | 2 kB | 2 kB |
| Number of I/Os | - | - | 62 I/O |
| Product | - | - | MCU |
| Data RAM Type | - | - | SRAM |
| Data ROM Type | - | - | EEPROM |
| Development Kit | - | - | CY8CKIT-059 |
| Watchdog Timers | - | - | Watchdog Timer |