DS2431X Dallas Semiconducotr, DS2431X Datasheet - Page 11

• Manufacturer Part Number: DS2431X
• Description: 1024-Bit 1-Wire EEPROM
• Manufacturer: Dallas Semiconducotr

Figure 7-3. Memory Function Flow Chart (continued)
From Figure 7
To Figure 7
2
2
nd
nd
Part
Part
TA1 (T7:T0), TA2 (T15:T8)
Bus Master TX
Copy Scratch-
and E/S Byte
Bus Master
Auth. Code
TX Reset ?
Match ?
RX “1”s
N
Master
Pad ?
55h
Y
Y
* 1-Wire idle high for power
N
N
Y
11 of 23
Applicable to all R/W
memory locations.
< 0090h ?
T15:T0
N
N
Y
Y
DS2431 copies Scratch-
Y
pad Data to Address
DS2431 TX “0”
DS2431 TX “1”
DS2431: 1024-Bit, 1-Wire EEPROM
Protected ?
TX Reset ?
TX Reset ?
PF = 0 ?
AA = 1
Master
Master
Copy-
From Figure 7
Y
Y
N
To Figure 7
N
4
4
th
th
Part
Part
N
*