DS1972-F3 MAXIM [Maxim Integrated Products], DS1972-F3 Datasheet - Page 10

• Manufacturer Part Number: DS1972-F3
• Description: 1024-Bit EEPROM iButton
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 7-2. Memory Function Flow Chart (continued)
From Figure 7
To Figure 7
1
1
st
st
Part
Part
Byte Counter
Bus Master
Increments
DS1972
RX “1”s
N
TA1 (T7:T0), TA2 (T15:T8)
Data Byte from Scratchpad
N
DS1972 sets Scratchpad
E/S Byte, Data Bytes as
Bus Master RX CRC16
of Command, Address,
Byte Counter = T2:T0
sent by the DS1972
Bus Master RX
Bus Master RX
Read Scratch-
Byte Counter
and E/S Byte
TX Reset ?
TX Reset ?
= E2:E0 ?
Master
Master
Pad ?
AAh
10 of 23
Y
N
Y
Y
Y
N
From Figure 7
To Figure 7
3
3
rd
rd
Part
Part