AT88SC0204CA-TU Atmel, AT88SC0204CA-TU Datasheet - Page 48

• Manufacturer Part Number: AT88SC0204CA-TU
• Manufacturer: Atmel

Specifications of AT88SC0204CA-TU

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Compliant

10.6. Read User Zone: $B2
10.6.1. Functional
8664C–CRYPT–01/10
Figure 31. Read User Zone Command Functional Description
The Read User Zone command $B2 allows reading of data from the device's currently selected user zone (the
procedure for selecting a user zone is described below). The byte address is internally incremented following the
transmission of each data byte. During a read operation the address will "roll over" from the last byte of the current
zone, to the first byte of the same zone.
If the host is not allowed to read the zone, the device will return the "Command Unauthorized" code ($69 $00) after it
has received the header.
Table 28. Read User Zone Command Structure
CLA
**
INS : Command
$B2
Number of bytes N
Read Command
Address 1
Address 2
Host
P1 : Address 1
Command Header
0000 0000
Atmel AT88SC0104/0204/0404/0808/CA
Device
Data
Data
P2 : Address 2
…
0a
6
-- ---a
0
N data bytes
n
P3 : N
7
--- n
0
d
Data(1)
7
--- ---d
Data Returned
0
...
...
d
Data(N)
7
--- ---d
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0