II-18
1.3.6 Optional Serial I/O
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
1.3.7 EEPROM
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
The EEPROM is XL24C04AF type of two-wire method with a 512 x 8 bits configuration.
Fig. 2-18
HL-1040/1050
HL-1050
HL-820/1020/1040
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