w78e54 Winbond Electronics Corp America, w78e54 Datasheet - Page 5
w78e54
Manufacturer Part Number
w78e54
Description
8-bit Microcontroller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W78E54.pdf
(23 pages)
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XTAL2
V
Power Supplies. These are the chip ground and positive supplies.
BLOCK DIAGRAM
SS
Normal
Normal
MODE
Flash
Flash
, V
CC
Crystal 1. This is the crystal oscillator input. This pin may be driven by an external
clock.
Connect to V
Crystal 2. This is the crystal oscillator output. It is the inversion of XTAL1.
No function in this mode.
SS
.
DESCRIPTION
- 5 -
Publication Release Date: November 1997
W78E54
Revision A2
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