Datasheet

DS28EC20: 20Kb 1-Wire EEPROM
13 of 27
Figure 7-2. Memory Function Flowchart (continued)
AAh
Read Scratch-
Pad ?
DS28EC20 sets Scratch-
pad Offset = (T[4:0])
Bus Master RX
TA1 (T[7:0]), TA2 (T[15:8])
and E/S Byte
Bus Master RX Data Byte
from Scratchpad Offset
Y
Bus Master
RX “1”s
Master
TX Reset ?
Y
N
Master
TX Reset ?
DS28EC20
Increments
Scratchpad
Offset
Scrpad. Offset
= 11111b ?
Y
Y
N
N
N
From Figure 7,
1
st
Part
To Figure 7,
1
st
Part
To Figure 7,
3
rd
Part
From Figure 7,
3
rd
Part
See note in Write
Scratchpad flow chart
for additional details.
Bus Master RX CRC16 of
Command, Address, E/S
Byte, Data Bytes as sent
by the DS28EC20