W78M032A24FL Просмотр технического описания (PDF) - Winbond

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W78M032A24FL

8-BIT MICROCONTROLLER

Winbond 

W78L32/W78L032A/W78M032A

PSEN

Program Store Enable Output, active low. PSEN enables the external ROM onto the Port 0

address/data bus during fetch and MOVC operations. PSEN goes to a high state during reset with a

weak pull-up.

XTAL1

Crystal 1. This is the crystal oscillator input. This pin may be driven by an external clock.

XTAL2

Crystal 2. This is the crystal oscillator output. It is the inversion of XTAL1.

VSS, VDD

Power Supplies. These are the chip ground and positive supplies.

Publication Release Date: March 7, 2006

-5-

Revision A5

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