MC146805H2 - Motorola

MC146805H2 8-BIT MICROPROCESSOR

® MOTOROLA MC14680SH2 Advance Information I 8-BIT MICROCOMPUTER UNIT The MC146805H2 Microcomputer Unit (MCU) belongs to the M146805 CMOS Family of low-cost, single-chip microcomputers. This 8-bit MCU contains an on-chip oscillator, CPU, RAM, 1/0, and a timer. The fully static design allows operation at two software selectable frequencies, further reducin.

Features

of the MC146805H2 MCU. HARDWARE FEATURES
• Typical Full Speed Operating Power of 20 mW at 5 V
• Typical WAIT Mode Power of 4 mW
• Typical STOP Mode Power of 5 /LW
• 8-Bit Architecture
• Fully Static Operation
• 112 Bytes of On-Chip RAM
• 2048 Bytes on On-Chip ROM
• 24 Bidirectional 1/0 Lines Plus Four Input-Only Lines
• Internal 8-Bit Timer with Software Programmable 7-Bit Prescaler
• Watchdog Timer
• External Timer Input
• External and Timer Interrupts
• Self-Check Mode
• Master Reset and Power-On Reset
• Single 3- to 6-Volt Supply
• On-Chip Oscillator
• 4O-Pin Dual-in-Line Package
• Chip Car.