M80C51 データシートの表示（PDF） - Oki Electric Industry

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M80C51

CMOS 8-Bit Microcontroller

Oki Electric Industry 

¡ Semiconductor

MSM80C31F/80C51F

• Package options

40-pin plastic DIP (DIP40-P-600-2.54)

:

44-pin plastic QFP (QFP44-P-910-0.80-2K) :

44-pin plastic QFJ (PLCC) (QFJ44-P-S650-1.27) :

(MSM80C31F-¥¥¥RS) (MSM80C51F-¥¥¥RS)

(MSM80C31F-¥¥¥GS) (MSM80C51F-¥¥¥GS)

(MSM80C31F-¥¥¥JS) (MSM80C51F-¥¥¥JS)

¥¥¥ indicates the code number.

DIFFERENCES BETWEEN MSM80C31F/MSM80C51F AND MSM80C31/MSM80C51

• Operating frequency

0.5 to 16 MHz ..................... MSM80C31F-1/MSM80C51F-1

0.5 to 12 MHz ..................... MSM80C31/MSM80C51/MSM80C31F/MSM80C51F

• External clock input terminal

XTAL1 ................................. MSM80C31F(-1)/MSM80C51F(-1)

XTAL2 ................................. MSM80C31/MSM80C51

• Emulation mode

Output impedance of ALE and PSEN pins becomes about 20 kW while CPU is being reset in

MSM80C31F/MSM80C51F.

Any other functions and electrical characteristics of MSM80C31F/MSM80C51F except for

above three differences are the same as those of MSM80C31/MSM80C51.

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