ML63326 Overview
The ML63326 is a low power 4-bit microcontroller which incorporates the OKI original CPU core nX-4/250 and provides a minimum instruction execution time of 1µs (@2MHz). It contains 24K-word program memory, 1536-nibble data memory, 4-bit input port, four 4-bit output ports, five 4-bit and 2-bit input-output ports, shift register, LCD driver for up to 1024 segments, and voice synthesis, including 1 megabit mask ROM...
ML63326 Key Features
- Rich instruction set 439 instructions Transfer, rotate, increment, decrement, arithmetic operations, parison, logic oper
- Rich selection of addressing modes Indirect addressing of four data memory types, with current bank register, extra bank
- Processing speed Two clocks per machine cycle, with most instructions executed in one machine cycle. Minimum instruction
- Program memory space 24K words Basic instruction length is 16 bits / 1 word
- Data memory space 1536 nibbles
- External data memory space 64kbyte ( expandable )
- Stack level Call stack level : 16 levels Register stack level : 16 levels
- I/O ports Input ports: Selectable as input with pull-up resistance/ input with pull-down resistor / high-impedance input
- Voice synthesis Algorithm : 4-bit ADPCM / Oki non-linear 8-bit PCM / 8-bit PCM Voice synthesis data memory: Internal ROM