Brother International HL-720 Service Manual - Page 112
Optional Serial, Fig. 2.8, EEPROM
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1.3.6 Optional Serial I/O The interrupt of serial I/O are input to the EXINT terminal of the ASIC, and are recognized by the CPU. A 32-byte space for register is provided for this I/O, which are read and written to by the CPU. Fig. 2.8 1.3.7 EEPROM The EEPROM is X24C04F type of a two-wire method with a 512 x 8 bits configuration. Fig. 2.9 II-10
II-10
1.3.6
Optional Serial
I/O
The interrupt of serial I/O are input to the EXINT terminal of the ASIC, and are
recognized by the CPU. A 32-byte space for register is provided for this I/O, which are
read and written to by the CPU.
Fig. 2.8
1.3.7
EEPROM
The EEPROM is X24C04F type of a two-wire method with a 512 x 8 bits configuration.
Fig. 2.9