FEATURES
• 4-bit microcontroller for digital tuning system
• Internal PLL frequency synthesizer: With prescaler
mPB595
• 5 V ±10%
• Low-power CMOS
• Program memory (ROM): 8K bytes (16 bits ´ 3968
steps)
• Data memory (RAM): 4 bits ´ 336 words
• 6 stack levels
• 35 easy-to-understand instruction sets
• Support of decimal operations
• Instruction execution time: 2 ms (with an 8-MHz
crystal)
• Internal D/A converter: 6 bits ´ 4 (PWM output)
• Internal A/D converter: 4 bits ´ 6
• Internal horizontal synchronizing signal counter
• Internal commercial power frequency counter
• Internal power-failure detector and power-on reset circuit