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| Part Number | PIC18F55K42-E/PT | PIC18F55K42-I/PT | PIC18F56K42-E/PT | PIC18F57K42-E/PT |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active |
| Core Processor | PIC | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 64MHz | 64MHz | 64MHz | 64MHz |
| Connectivity | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, HLVD, POR, PWM, WDT |
| Number of I/O | 44 | 44 | 44 | 44 |
| Program Memory Size | 32KB (16K x 16) | 32KB (16K x 16) | 64KB (32K x 16) | 128KB (64K x 16) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| EEPROM Size | 256 x 8 | 256 x 8 | 1K x 8 | 1K x 8 |
| RAM Size | 2K x 8 | 2K x 8 | 4K x 8 | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Data Converters | A/D 43x12b; D/A 1x5b | A/D 43x12b; D/A 1x5b | A/D 43x12b; D/A 1x5b | A/D 43x12b; D/A 1x5b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-TQFP Exposed Pad | 48-TQFP Exposed Pad | 48-TQFP Exposed Pad | 48-TQFP Exposed Pad |
| Supplier Device Package | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) |
