DS1961S-F5 Maxim Integrated Products, DS1961S-F5 Datasheet - Page 11

• Manufacturer Part Number: DS1961S-F5
• Description: DS1961S 1kb Protected EePROM Ibutton With SHA-1 Engine
• Manufacturer: Maxim Integrated Products

Figure 7-2. MEMORY AND SHA FUNCTIONS FLOW CHART (continued)
From Figure 7
To Figure 7
1st Part
1st Part
Byte Counter
Bus Master
Increments
DS1961S
RX “1”s
N
TA1 (T7:T0), TA2 (T15:T8)
DS1961S Sets Scratchpad
Data Byte from Scratchpad
N
E/S Byte, Data Bytes as
Bus Master RX CRC16
of Command, Address,
Sent by the DS1961S
Byte Counter = 0
Bus Master RX
Bus Master RX
Read Scratch-
Byte Counter
and E/S Byte
TX Reset ?
TX Reset ?
Master
Master
Pad ?
= 7 ?
AAh
11 of 36
Y
N
Y
Y
Y
N
Note:
See the Read
Scratchpad
Description for
Additional
Information.
From Figure 7
To Figure 7
3rd Part
3rd Part