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