Manufacturer: Mitsubishi
Package: SSOP-36
Description: M59554FP is a low-voltage, low-power, single-chip 8-bit microcontroller with a built-in LCD controller/driver.
Features:

• 8-bit CPU core
• On-chip RAM and ROM
• On-chip LCD controller/driver
• On-chip A/D converter
• On-chip timer
• On-chip serial I/O
• On-chip oscillator
• On-chip watchdog timer
• On-chip power-on reset
• Low-voltage operation
• Low-power consumption

Applications:

• Home appliances
• Office automation
• Automotive
• Industrial control
• Medical equipment
• Audio/visual equipment
• Portable devices(For reference only) https://www.utsource.net/itm/p/128594.html