Optional Serial I/O; Eeprom - Brother HL-1070 - B/W Laser Printer Service Manual

1.3.7

Optional Serial I/O

The interrupt of the serial I/O is input to the EXINT terminal of the ASIC, and recognized
by the CPU. A 32-byte space for a register is provided for this I/O, which is read and
written to by the CPU.
1.3.8

EEPROM

The EEPROM is an X24C04F two-wire type with a 512 x 8bits configuration.
Fig. 2.9
Fig. 2.10
II-10