PRODUCT DESCRIPTION
The SST65P542R is a member of SST’s 8-bit application specific microcontroller family targeted for IR remote controller applications.
The SST65P542R microcontroller provides high functionality to infrared remote controller products. The device offers flexibility to store different remote control configurations for controlling multiple appliances. The configurations are either programmed at the factory during the manufacturing process or downloaded through firmware.

FEATURES:
• 8-bit MCU Core
   – Enhanced 6502 Microprocessor Megacell emulating the reduced 6805 instruction set
• 4 MHz Typical Oscillator Clock Frequency
• 8 MHz Maximum Oscillator Clock Frequency
• Low Voltage Operation: 2.2-3.2V
• 20 Re-configurable General Purpose I/O leads
• SuperFlash Memory
   – 16 KByte of Flash Memory
   – 128 Byte sectors for SoftPartition
   – 100,000 endurance cycles (typical)
   – 100 years data retention
   – Fast Write:
   - Chip-Erase: 70 ms (typical)
   - Sector-Erase: 18 ms (typical)
   - Byte-Program: 60 µs (typical)
   – In-Application Programming (IAP)
• External Host Programming Mode for Programmer Support
   – JEDEC Standard Command Sets
• 352 Byte On-Chip SRAM
• In-System Programming (ISP) Support through Firmware
• IR Input Pin for Learning Mode
• Carrier Modulator Transmitter
   – Supports Baseband, Pulse Length Modulator (PLM), and Frequency Shift Keying (FSK)
• Core Timer / Counter
   – 14-stage multifunctional ripple counter
   – Includes timer overflow, POR, RTI, and CWT
• External Reset Input and Low Power Pins
• Power Management
   – Hardware enable bits programmable by software for entering STOP and IDLE modes
• Package Available
   – 28-lead SOIC