Rainbow Electronics DS1972 - Manual (Page 12)

DS1972: 1024-Bit EEPROM iButton
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Figure 7-4. Memory Function Flow Chart (continued)
F0h
Read Memory ?
Address
< 90h ?
Y
N
Bus Master TX
TA1 (T7:T0),
TA2 (T15:T8)
Y
N DS1972 sets Memory
Address = (T15:T0)
DS1972
Increments
Address
Counter
Bus Master
RX “1”s
N
Address
< 8Fh ?
Master
TX Reset ?
Y
N
Y
Master
TX Reset ?
Bus Master RX
Data Byte from
Memory Address
Y
N
From Figure 7
3 rd Part
To Figure 7
3 rd Part
N
Bus Master
RX “1”s
Master
TX Reset ?
Y