| Core Processor | 8051 | |
| Program Memory Type | FLASH | |
| Product Status | Obsolete | |
| Supplier Device Package | 48-QFN (7x7) | |
| EEPROM Size | 1K x 8 | |
| Package / Case | 48-VFQFN Exposed Pad | |
| REACH Status | REACH Unaffected | |
| Mfr | Infineon Technologies | |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Speed | 67MHz | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| RAM Size | 4K x 8 | |
| ECCN | 3A991A2 | |
| Number of I/O | 25 | |
| Peripherals | CapSense, DMA, POR, PWM, WDT | |
| Mounting Type | Surface Mount | |
| Oscillator Type | Internal | |
| Series | PSOC® 3 CY8C38xx | |
| Core Size | 8-Bit | |
| Connectivity | EBI/EMI, I2C, LINbus, SPI, UART/USART, USB | |
| Program Memory Size | 32KB (32K x 8) | |
| HTSUS | 8542.31.0001 | |
| Package | Tray | |
| Data Converters | A/D 16x20b; D/A 4x8b | |
| Base Product Number | CY8C3865 |
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