Features of the MC68HC705RC16 are:
• Low Cost
• HC05 Core
• 28-Pin Plastic Dual In-Line (PDIP), Small Outline Integrated
Circuit (SOIC), or 44-Lead Plastic Leaded Chip Carrier (PLCC)
Packages
• On-Chip Oscillator with Crystal/Ceramic Resonator
• 4-MHz Maximum Oscillator Frequency at 5 V and 3.3 V Supply
• Fully Static Operation
• 15,936 Bytes of User ROM
• 64 Bytes of Burn-In ROM
• 352 Bytes of On-Chip RAM
• 14-Stage Core Timer with Real-Time Interrupt (RTI) and
Computer Operating Properly (COP) Watchdog Circuits
• Carrier Modulator Transmitter Supporting Baseband, Pulse
Length Modulator (PLM), and Frequency Shift Keying (FSK)
Protocols
• Low-Power Reset Pin
• 20 Bidirectional I/O Lines (Four Additional I/O Lines Available for
Bond Out in 44-Lead PLCC Package)
• Mask Programmable Pullups and Interrupt on Eight Port Pins
(PB0–PB7)
• High-Current Infrared (IR) Drive Pin
• High-Current Port Pin (PC0)
• Power-Saving Stop and Wait Modes
• Mask Selectable Options:
– COP Watchdog Timer
– STOP Instruction Disable
– Edge-Sensitive or Edge- and Level-Sensitive Interrupt Trigger
– Port B Pullups for Keyscan