Epson FX 1170 Service Manual - Page 73
E2PROM, E05A66YA, IC2C1, Control Circuit
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. REV.-A 2.3.8 E2PROM Control Circuit "4 Figure 2-31 shows the E2PROM control circuit. The E2PROM is non-volatile memory containing information c. .' 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) SCL SDA E05A66YA (IC4) Data Bus SCK CPU (IC2C1) SDA Figure 2-31. E2PROM Control Circuit 2-30
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.
REV.-A
2.3.8
E2PROM
Control Circuit
c’
“4
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