Multifunction peripheral IC featuring an 8-bit M8C core architecture, operating at up to 24MHz. This CMOS device offers 39 programmable I/Os and supports I2C, SPI, IrDA, UART, and USART interfaces. With 8KB FLASH memory and 0.51KB RAM, it includes 2 timers/counters, POR, PWM, WDT, and LVD peripherals. Packaged in a 48-pin SSOP with gold contact plating, it operates from 4.75V to 5.25V and is lead-free and RoHS compliant, with an operating temperature range of -40°C to 125°C.
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Cypress CY8C21645-12PVXE technical specifications.
| Package/Case | SSOP |
| Contact Plating | Gold |
| Core Architecture | M8C |
| Data Bus Width | 8b |
| Interface | I2C, SPI, IrDA, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 24MHz |
| Max Operating Temperature | 125°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.75V |
| Number of GPIO | 39 |
| Number of I/Os | 38 |
| Number of Programmable I/O | 39 |
| Number of Timers/Counters | 2 |
| Oscillator Type | Internal |
| Package Quantity | 30 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, LVD |
| RAM Size | 0.51KB |
| RoHS Compliant | Yes |
| Series | PSOC®1 CY8C21xxx |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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