8-bit CMOS microcontroller featuring an M8C core, 8KB FLASH memory, and 512B RAM. Offers I2C, SPI, and UART/USART interfaces, with 24 programmable I/O pins. Operates from 3V to 5.25V, with a maximum frequency of 12MHz and an operating temperature range of -40°C to 125°C. Includes integrated peripherals like POR, PWM, and a watchdog timer. Surface mountable in an SSOP-28 package with gold contact plating.
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| Package/Case | SSOP |
| Contact Plating | Gold |
| Core Architecture | M8C |
| Data Bus Width | 8b |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 12MHz |
| Max Operating Temperature | 125°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of I/Os | 24 |
| Number of Programmable I/O | 24 |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, LVD |
| Radiation Hardening | No |
| RAM Size | 512B |
| RoHS Compliant | Yes |
| Series | PSOC®1 CY8C21xxx |
| Technology | CMOS |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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