MC6805T2 Datasheet | Motorola Semiconductor

FEATURES - 8-Bit Architecture - 64 Bytes of RAM - Memory Mapped 1/0 - 2508 Bytes of User ROM - Timer Start/Stop and Source Select - 19 TTL/CMOS patible Bidirectional 1/0 Lines (Eight Lines are LED patible) - On-Chip Ciock Generator - Zero-Crossing Detection - Self-Check Mode - Master Reset - plete Development System Support on EXORciser - 5 V Single Supply - 14-Bit Binary Variable Divider - 10-Stage Mask-Programmable Reference Divider - Three-State Phase and Frequency parator - Suitable for TV Frequency Synthesizers SOFTWARE FEATURES Similar to M6800 Byte Efficient Instruction Set Easy to Program True Bit Manipulation Bit Test and Branch Instructions Versatile Interrupt Handling Versatile Index Register Powerful Indexed Addressing for Tables Full Set of Conditional Branches Memory Usable as Registersl Flags Single Instruction Memory Examinel Change 10 Powerful Addressing Modes All Addressing Modes Apply to ROM, RAM, and 1/0 USER SELECTABLE OPTIONS - Internal8-Bit Timer with Selectable Clock Source (External Timer Input or Internal Machine Clock) - Timer Prescaler Option (Seven Bits 2n) - Eight Bidirectional 1/0 Lines with TTL or TTL/CMOS Interface Option or Open-Drain Drive - Four Vectored Interrupts; Timer, Software, and two External - Low Voltage Inhibit Option This document contains information on a new product. Specifications and information herein are subject to change without notice 3-481 HMOS (HIGH DENSITY, N-CHANNEL, SILICON-GATE, DEPLETION LOAD) 8-BIT MICROPUTER WITH PLL LOGIC L SUFFIX CERAMIC PACKAGE CASE 719 - PLASTIC PACKAGE CASE 710 PIN ASSIGNMENT VSS INT VCC EXTAL XTAL NUM <l>P PCOITIMER PCl PC2 fin PBO PBl PB2 RESET PA7 PA6 PA5 PA4 PA3 PA2 PAl PAO PB7 PB6 PB5 PB4 PB3 FIGURE 1 - MC6805T2 HMOS MICROPUTER BLOCK...