Eeprom Control Circuit - Panasonic KX-P7100 Service Manual

4.4.12. EEPROM Control Circuit

This printer has 2kbit EEPROM ( IC12 ). Page Count Data, Calibration Data, etc. are saved on the IC.
The EEPROM control signals are explained as follows.
EEPCS:
EEPCLK:
EEPDO:
EEPDI:
This is the chip select signal.
This is the serial data transfer clock.
This is the serial data from CPU ( IC11 ) to EEPROM ( IC12 ).
This is the serial data from EEPROM ( IC12 ) to CPU ( IC11 ).
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KX-P7100