37496 Proc

+5V

AT89S8252

'cc

INSTRUCTION

INPUT -H

DATA OUTPUT -4-

CLOCK IN -H

4-24 MHz

□

>

P1.SWOSI

PI.&WISO

P1.7/SCK

XTAL 2

XTAL 1 QND

RST

SERIAL CLCCK IMPUł 5CWI.7 __

SERIAL DATA INPUT

MOSMP1.S _ !US0i _ SERIAL DATA OUTPUT j UISO'Pl.6

TJIJIJTJTJTJTJI

i o

r c t 4    3    2

* I I I

rn—i—p?5l

TtSBl