FEDL64168-01
Semiconductor
ML64168
GENERAL DESCRIPTION
This version: Sep. 27,1999
Previous version: Jun. 22,1999
4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver
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 4.3碌s (@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.
APPLICATION
The ML64168 is best suited for low power, high precision thermometers and hygrometers.
FEATURES
鈭?/div>
Processing speed
Minimum instruction execution time
: 4.3
碌s
@700 kHz
91.6
碌s
@32.768 kHz
鈭?/div>
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.
鈭?/div>
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)
鈭?/div>
Operating temperature
: - 40 to +85擄C
鈭?/div>
Memory space
Internal program memory
: 8160 bytes
Internal data memory
: 512 nibbles
鈭?/div>
RC oscillation type A/D converter
: 2 channels
Time division 2-channel method
Counter A
: 1 / ( 10
4
脳
8 )
脳
1
Counter B
: 1 / 2
14
脳
1
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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