8-bit CMOS microcontroller featuring an 8051 core architecture operating at up to 67MHz. This peripheral IC offers 32KB of FLASH memory, 4KB of RAM, and 38 programmable I/Os. Integrated peripherals include I2C, SPI, USB, UART, USART, LIN, EBI/EMI, POR, PWM, WDT, DMA, and CapSense. The device operates from 1.7V to 5.5V, with a temperature range of -40°C to 85°C, and is packaged in a lead-free QFN with gold contact plating.
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Cypress CY8C3665LTI-044 technical specifications.
| Package/Case | QFN |
| Contact Plating | Gold |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 67MHz |
| Interface | I2C, SPI, USB, UART, USART, LIN, EBI/EMI |
| Lead Free | Lead Free |
| Max Frequency | 67MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.7V |
| Number of GPIO | 38 |
| Number of I/Os | 38 |
| Number of Programmable I/O | 38 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT, DMA, CapSense, I2C |
| Radiation Hardening | No |
| RAM Size | 4KB |
| RoHS Compliant | Yes |
| Series | PSOC® 3 CY8C36xx |
| Technology | CMOS |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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