Service manual

.
REV.-A
2.3.8
E2PROM
Control Circuit
cā€™
ā€œ4
Figure 2-31 shows the
E2PROM
control circuit. The
E2PROM
is non-volatile memory containing information .
.
such asthetop-of-form position. Because the
E2PROM
is a serial
1/0
device, the gate array converts the parallel
data (sent from the host computer) into serial data.
E2
PROM
([C5C1)
E05A66YA
(IC4)
CPU
(IC2C1)
Data Bus
SCL SCK
SDA
SDA
Figure 2-31.
E2PROM
Control Circuit
2-30