ML63512A - 4-Bit Microcontroller with Built-in Level Detector / Melody Circuit / and Comparator /Operating at 0.9 V (Min.)

The ML63512A/63514A is a CMOS 4-bit microcontroller with built-in level detector and operates at 0.9 V (min.).

The ML63512A/63514A is an M6351x series mask ROM-version product of OLMS-63K family, which employs Oki's original CPU core nX-4/250.

• Extensive instruction set 407 instructions Transfer, rotate, increment/decrement, arithmetic operations, comparison, logic operations, mask operations, bit operations, ROM table reference, stack operations, flag operations, jump, conditional branch, call/return, control.
• Wide variety selection 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 address.