Rainbow Electronics DS2422 - Manual (Page 29)

DS2422
29 of 48
Figure 12-2. Memory/Control Function Flow Chart
99H
Copy Scrpd.
[w/PW]
Master TX
E/S Byte
Authorization
Code Match?
DS2422 Copies Scratchpad
Data to Memory
Copying
Finished
Master
TX Reset?
AA = 1
Master TX
TA1 (T7:T0), TA2 (T15:T8)
Master TX
64-Bits [Password]
Password
Accepted?
Master
RX "1"s
DS2422 TX "0"
DS2422 TX "1"
Master
TX Reset?
N
Y
N
Y
N
Y
N
Y
Master
TX Reset?
Master
RX "1"s
N
Y
N
Y
N
Y
Authorization
Code
From Figure 12
3 rd Part
To Figure 12
3 rd Part
To Figure 12
1 st Part
From Figure 12
1 st Part