Описание
This powerful (200 nanosecond instruction execution) yet easy-to-program (only 35 single word instructions) CMOS OTP-based 8-bit microcontroller packs Microchip"s powerful PIC® architecture into an 40- or 44-pin package and is upwards compatible with the PIC16C5X and PIC12CXXX devices. The PIC16C774 features 10 channels of 12-bit Analog-to-Digital (A/D) converter giving designers the ability to discriminate smaller signal changes and eliminate the need for external circuitry for high precision measurement of analog signals. With 2 additional timers, 2 enhanced capture/compare/PWM function, the synchronous serial port can be configured as either 3-wire Serial Peripheral Interface (SPI) or the 2-wire Inter-Integrated Circuit (I²C) bus and a Universal Asynchronous Receiver Transmitter (USART). All of these features make it ideal for the most sophisticated applications requiring higher levels of A/D in automotive, industrial, appliances and consumer applications.
• High-performance RISC CPU • Only 35 single word instructions to learn • All single cycle instructions except for program branches which are two cycle • Operating speed: DC – 20 MHz clock input DC – 200 ns instruction cycle • 4K x 14 words of Program Memory, 256 x 8 bytes of Data Memory (RAM) • Interrupt capability (up to 14 internal/external interrupt sources) • Eight level deep hardware stack • Direct, indirect, and relative addressing modes • Power-on Reset (POR) • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) • Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation • Programmable code-protection • Power saving SLEEP mode • Selectable oscillator options • Low-power, high-speed CMOS EPROM technology • Fully static design • In-Circuit Serial Programming??(ISCP? • Wide operating voltage range: 2.5V to 5.5V • High Sink/Source Current 25/25 mA • Commercial and Industrial temperature ranges • Low-power consumption: – < 2 mA @ 5V, 4 MHz – 22.5 ?A typical @ 3V, 32 kHz – < 1 ?A typical standby current
