ds1992l-f5 Maxim Integrated Products, Inc., ds1992l-f5 Datasheet - Page 8

• Manufacturer Part Number: ds1992l-f5
• Description: 1kb/4kb Memory Ibutton
• Manufacturer: Maxim Integrated Products, Inc.

Figure 6. MEMORY FUNCTIONS FLOW CHART (Continued)
From Figure 6
First Part
To Figure 6
First Part
N
Scratchpad Data
Bus Master TX
Bus Master TX
DS199X Copies
Bus Master TX
DS199X TX "1"s
DS199X TX "0"s
TA2 (T15:T8)
TA1 (T7:T0)
Code Match
To Memory
Scratchpad
E/S Byte
Bus Master
TX Reset
AA = 1
rization
Copy
55H
Auth-
?
?
?
Y
Y
Y
N
N
Bus Master
TX Reset
?
Y
8of 8
N
Address Counter
Increments
DS199X
DS199X sets Memory
Y
N
Memory Address
Address = (T15:T0)
Master RX Data
Bus Master TX
Bus Master TX
TA2 (T15:T8)
N
TA1 (T7:T0)
Read Memory
Byte From
Bus Master
Bus Master
TX Reset
RX "1"s
= 21Dh ?
Address
Memory
F0H
?
?
Y
N
Y