ML63293

` Extensive instruction set 408 instructions
  - Transfer, rotate, increment,/decrement, arithmetic operations, comparison, logic operations, mask operations, bit operations, ROM table reference, external memory transfer, stack operations, flag operations, jump, conditional branch, call / return, control.
` Wide variety of addressing modes
  - Indirect addressing of four data memory types, with current bank register, extra bank register,
  - HL register and XY register.
  - Data memory bank internal direct addressing mode.
` Processing speed 2 clocks per machine cycle, with most instructions executed in 1 machine cycle. Minimum instruction execution time :
  - 61s ( @32.768kHz system clock )
  - 1s ( @2MHz system clock )
` Clock generation circuit
  - Low-speed clock : Crystal oscillation or RC oscillation selected with mask option ( 30k to 80kHz )
  - High-speed clock : Ceramic oscillation or RC oscillation selected with software ( 2MHz max. )

The ML63293 is suitable for applications such as games, toys, watches, etc. which are provided with an LCD display and Melody output.

The ML63293 is a CMOS 4-bit microcontroller with built-in LCD driver and Melody circuit.

The ML63293 is an M63xxx series mask ROM-version product of OLMS-63K family, which employs Oki's original CPU core nX-4/250.

The ML63293 contains 64K-word program memory, 3K-nibble data memory, 4-bit input port, 16-bit output ports, 24-bit input/output port, LCD driver for up to 2176 segments, and melody circuit.

The ML63Q290 is the flash EEPROM version of ML63293.

The ML63Q290 is used to evaluate the software development.