Brother International HL-720 Service Manual - Page 33
Optional Serial, <HL-730/730Plus ONLY>, Fig. 2.14, EEPROM, <HL-720>
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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. 2.14 1.3.7 EEPROM The EEPROM is XL24C01AF type of a two-wire method with a 128 x 8 bits configuration. Fig. 2.15 The EEPROM is XL24C01AF type of a two-wire method with a 128 x 8 bits configuration. Fig. 2.16 II-16
II-16
1.3.6
Optional Serial
I/O
<HL-730/730Plus ONLY>
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. 2.14
1.3.7
EEPROM
<HL-720>
The EEPROM is XL24C01AF type of a two-wire method with a 128 x 8 bits
configuration.
Fig. 2.15
<HL-730/730Plus>
The EEPROM is XL24C01AF type of a two-wire method with a 128 x 8 bits
configuration.
Fig. 2.16