Overview
The LC86P5420 is a CMOS 8-bit single chip microcontroller with one-time PROM for the LC865500 / LC865400 series.
This microcontroller has the function and the pin description of the LC865500 / LC865400 series mask ROM version, and the 20K-byte PROM.

Features
(1) Option switching by PROM data
   The option function of the LC865400 series can be specified by the PROM data.
   The LC86P5420 can be checked the functions of the trial pieces using the mass production board.
(2) Internal one-time PROM capacity : 20736 bytes
(3) Internal RAM capacity : 512 bytes
(4) Operating supply voltage : 4.5V to 6.0V
(5) Instruction cycle time : 1.0µs to 366µs
(6) Operating temperature : -30°C to +70°C
(7) The pin and the package compatible with the LC865400 series mask ROM devices
(8) Applicable mask ROM version : LC865520 / LC865516 / LC865512 / LC865508 / LC865504
                                                         LC865412 / LC865408 / LC865404
(9) Factory shipment : DIP42S, QFP48E