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ML64P168 Datasheet(PDF) 1 Page - OKI electronic componets

Part No. ML64P168
Description  4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
Logo OKI - OKI electronic componets

ML64P168 Datasheet(HTML) 1 Page - OKI electronic componets

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FEDL64P168-01
Semiconductor
ML64P168
4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver
1/51
This version: Sep. 27,1999
Previous version: Jun. 22,1999
GENERAL DESCRIPTION
The ML64P168 is a one-time-programmable ROM-version product, which has one-time PROM (OTP)
as internal program memory. On the other hand, the ML64168 is a mask ROM-version product, which
has mask ROM as internal program memory.
Unlike the mask ROM-version product (ML64168), the ML64P168 cannot be supplied in the form of a
chip.
The ML64P168 has two operation modes, microcontroller operation mode and PROM mode. The
microcontroller operation mode is used to operate the ML64P168 like a ML64168 and the PROM
mode is used to program or read the PROM.
The ML64P168 is a low power 4-bit microcontroller incorporating the Oki’s original CPU core nX-
4/30.
The ML64P168 provides a minimum instruction execution time of 4.3
µs (@700kHz).
The ML64P168 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.
APPLICATION
The ML64P168 is best suited for low power, high precision thermometers and hygrometers.
FEATURES
∙ Processing speed
Minimum instruction execution time
: 4.3
µs @700 kHz
91.6
µs @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 )
1.45 to 1.70 V (1.5V spec.)
2.7 to 3.5 V (3.0V spec.)
∙ Operating temperature
: 0 to +65
°C
The information contained herein can change without notice owing to product and/or technical improvements.
Before using the product, please make sure that the information being referred to is up-to-date.


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