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PIC16F628T Datasheet(PDF) 5 Page - Microchip Technology |
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PIC16F628T Datasheet(HTML) 5 Page - Microchip Technology |
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5 / 160 page  © 1999 Microchip Technology Inc. Preliminary DS40300B-page 5 PIC16F62X 1.0 GENERAL DESCRIPTION The PIC16F62X are 18-Pin FLASH-based members of the versatile PIC16CXX family of low-cost, high-performance, CMOS, fully-static, 8-bit microcontrollers. All PICmicro® microcontrollers employ an advanced RISC architecture. The PIC16F62X have enhanced core features, eight-level deep stack, and multiple inter- nal and external interrupt sources. The separate instruction and data buses of the Harvard architecture allow a 14-bit wide instruction word with the separate 8-bit wide data. The two-stage instruction pipeline allows all instructions to execute in a single-cycle, except for program branches (which require two cycles). A total of 35 instructions (reduced instruction set) are available. Additionally, a large register set gives some of the architectural innovations used to achieve a very high performance. PIC16F62X microcontrollers typically achieve a 2:1 code compression and a 4:1 speed improvement over other 8-bit microcontrollers in their class. PIC16F62X devices have special features to reduce external components, thus reducing system cost, enhancing system reliability and reducing power con- sumption. There are eight oscillator configurations, of which the single pin ER oscillator provides a low-cost solution. The LP oscillator minimizes power consump- tion, XT is a standard crystal, INTRC is a self-contained internal oscillator and the HS is for High Speed crys- tals. The SLEEP (power-down) mode offers power sav- ings. The user can wake up the chip from SLEEP through several external and internal interrupts and reset. A highly reliable Watchdog Timer with its own on-chip RC oscillator provides protection against software lock- up. Table 1-1 shows the features of the PIC16F62X mid-range microcontroller families. A simplified block diagram of the PIC16F62X is shown in Figure 3-1. The PIC16F62X series fits in applications ranging from battery chargers to low-power remote sensors. The FLASH technology makes customization of application programs (detection levels, pulse generation, timers, etc.) extremely fast and convenient. The small footprint packages make this microcontroller series ideal for all applications with space limitations. Low-cost, low-power, high-performance, ease of use and I/O flex- ibility make the PIC16F62X very versatile. 1.1 Development Support The PIC16F62X family is supported by a full-featured macro assembler, a software simulator, an in-circuit emulator, a low-cost development programmer and a full-featured programmer. A Third Party “C” compiler support tool is also available. |
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