Brother HL-1020 manual Optional Serial I/O HL-1040/1050, Eeprom HL-820/1020/1040

1.3.6Optional Serial I/O HL-1040/1050

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

Fig. 2-16

1.3.7EEPROM HL-820/1020/1040

The EEPROM is an XL24C01AF type of two-wire method with a 128 x 8 bits configuration.

M62320FP is an IC which transfers the data received from the serial I/O to the parallel I/O.

Fig. 2-17

HL-1050

The EEPROM is XL24C04AF type of two-wire method with a 512 x 8 bits configuration.

Fig. 2-18

II-18