ML64168

`Processing speed Minimum instruction execution time : 4.3 s @700 kHz 91.6 s @32.768 kHz
`Clock generation circuit Low-speed clock : 32.768 kHz crystal oscillator High-speed clock : 700 kHz RC oscillator ( with an external resistor ) CPU clock is selectable as Low-speed clock / High-speed clock by software.
`Operating voltage : 1.5 V spec. / 3.0 V spec. ( selectable by mask option ) 1.25 to 1.70 V (1.5 V spec.) 2.0 to 3.50 V (3.0 V spec.) 2.2 to 3.50 V (3.0 V spec., 1/2duty)
`Operating temperature : - 40 to +85°C
`Memory space Internal program memory : 8160 bytes Internal data memory : 512 nibbles
`RC oscillation type A/D converter : 2 channels Time division 2-channel method Counter A : 1 / ( 104 * 8 ) * 1 Counter B : 1 / 214 * 1

The ML64168 is a low power 4-bit microcontroller incorporating the Oki's original CPU core nX-4/30. The ML64168 provides a minimum instruction execution time of 4.3s (@700kHz).

The ML64168 contains 8160-byte program memory, 512-nibble data memory, three 4-bit input-output ports, 4-bit input port, 4-bit output port, 2-channel RC oscillation type A/D converter, LCD driver for up to 120 segments, and buzzer output port.

The ML64P168 is the one-time-programmable ROM version of ML64168, having one-time PROM(OTP) as internal program memory. The ML64P168 is used to evaluate the software development.