at88sc0104c ATMEL Corporation, at88sc0104c Datasheet - Page 43

• Manufacturer Part Number: at88sc0104c
• Description: Cryptomemory Specification For Standard Mode Of Operation
• Manufacturer: ATMEL Corporation

8.4.2
5210A–SMIC–04/07
Example : Write EEPROM command
The following illustrates the data exchanges that occur during a write operation of 4 bytes : $04,
$09, $19, $97 to addresses $02, $03, $04, $05 in the current user zone.
Finish
Start
AT88SC0104/0204/0404/0808/1616/3216/6416/12816/25616C
Host
Data
Data
Data
Data
CLA
INS
P1
P2
P3
Write Cycle
Device
SW1
SW2
INS
$B0
$B0
$02
$04
$04
$09
$19
$97
$90
$00
Val
**
**
Note
Class (ignored by CryptoMemory)
Write instruction
Address Byte A1 (ignored by 0104C-1616C)
Address Byte A2=$02
4 data bytes
Device responds with INS code
Byte to be written at start address $02
Byte to be written at address $03
Byte to be written at address $04
Byte to be written at address $05
~5ms
Write operation successful
39