Datasheet

DS28E04-100: 4096-Bit 1-Wire Addressable EEPROM with PIO
16 of 37
Figure 9-3. Memory/Control Function Flow Chart (continued)
From Figure 9
2
nd
Part
To Figure 9
2
nd
Part
To Figure 9
4
th
Part
From Figure 9
4
th
Part
* 1-Wire idle high 10ms for power
55h
Copy Scratch-
Pad ?
Bus Master TX
TA1 (T7:T0), TA2 (T15:T8)
and E/S Byte
Y
N
Bus Master
RX “1”s
Master
TX Reset ?
Y
N
Y
Auth. Code
Match ?
N
N
Copy-
Protected ?
Y
DS28E04 copies Scratch-
pad Data to Address
AA = 1
*
DS28E04 TX “0”
Master
TX Reset ?
Master
TX Reset ?
Y
N
DS28E04 TX “1”
N
Y
Applicable to all R/W
memory locations.
Y
T15:T0
< 0220h ?
N
PF = 0 ?
Y
N