Epson FX 1170 - B/W Dot-matrix Printer - E2 Prom Control Circuit

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REV.-A
2.3.8 E2PROM Control Circuit
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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
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