| PartNumber | CY8C4A45FNI-483 | CY8C4A45FNI-473 | CY8C4A45FNI-483T |
| Description | ARM Microcontrollers - MCU 32 K Flash PSoC Analog Coprocessor | ARM Microcontrollers - MCU 32 K Flash PSoC Analog Coprocessor | ARM Microcontrollers - MCU PSoC4 |
| 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 | WLCSP-45 | LQFP-48 | WLCSP-45 |
| Core | ARM Cortex M0 | ARM Cortex M0 | ARM Cortex-M0+ |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 4 kB | 4 kB | 4 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 38 I/O | 38 I/O | 8 I/O |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 105 C |
| Packaging | Reel | Reel | Reel |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 8 kB | 8 kB | 8 kB |
| Data ROM Type | EEPROM | EEPROM | SROM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | I2C, UART, SPI, GPIO |
| Analog Supply Voltage | 1.71 V to 5.5 V | 1.71 V to 5.5 V | -0.5 V to 6 V |
| Number of Timers/Counters | 8 x 16 bit | 8 x 16 bit | 1 Timer/Counter |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.89 V | 1.89 V | 5.5 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.8 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| DAC Resolution | - | - | 10 bit |
| I/O Voltage | - | - | 1.71 V |
| Number of ADC Channels | - | - | 1 Channel |
| Processor Series | - | - | PSoC |