CHAPTER 3 THEORY OF OPERATION
3-17
1.3.7 EEPROM
The EEPROM is X24C01A type of two-wire method with a 128 x 8 bits configuration.
Fig. 3-18
The EEPROM is X24C04 type of two-wire method with a 512 x 8 bits configuration.
Fig. 3-19
The EEPROM is X24C32 type of two-wire method with a 8192 x 8 bits configuration.
Fig. 3-20
1.3.8 Reset circuit
The reset IC is a RN5VD42A. The reset voltage is 4.2V (typ.) and the LOW period of reset is
80ms (typ.)
Fig. 3-21
HL-1450
HL-1470N
HL-1230/1440
HL-1230/1440
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