X76F102 Datasheet, PDF (6/18 Pages) Xicor Inc. – The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array

X76F102
Figure 4. Sector Write Sequence (Password Required)
Host
Commands
X76F102
Response
SDA _S
WRITE
COMMAND
If ACK, Then
Password Matches
Host
Commands
Password ACK
COMMAND
S
X76F102
Responce
Write
Password
7
...
Write
Password
0
Wait t_WC
OR
Password
ACK
Command
P
Wait t_WC
Data ACK Polling
Figure 5. Acknowledge Polling
SCL
8th clk.
of 8th
pwd. byte
‘ACK’
clk
8th
‘ACK’
clk
clk
SDA
‘ACK’
START
condition
8th bit
ACK or
no ACK
Figure 6. Sector Read Sequence (Password Required)
Host
Commands
X76F102
Response
SDA _S
If ACK, Then
Password Matches
READ
COMMAND
Host
Commands
Password ACK
COMMAND
S
X76F102
Responce
Read
Password
7
Data 0
...
Read
Password
0
Data n
Wait t_WC
OR
Password
ACK
Command
P
6