AT88SC0104CA-SU(2008) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT88SC0104CA-SU
(Rev.:2008)

CryptoMemory

Atmel Corporation 

7.2 Memory Reset

After an interruption in communication due protocol errors, power loss or any reason, perform

"Acknowledge Polling" to properly recover from the condition. Acknowledge polling consists of

sending a start condition followed by a valid CryptoMemory command byte and determining if

the device responded with an ACKNOWLEDGE.

Figure 7-1. Bus Time for 2-Wire Serial Communications. SCL: Serial Clock, SDA: Serial Data I/O

Figure 7-2. Write Cycle Timing. SCL: Serial Clock, SDA: Serial Data I/O

SCL

SDA

8th BIT

ACK

WORDn

STOP

CONDITION

tWR(1)

START

CONDITION

Note: The Write Cycle time twr is the time from a valid stop condition of a write sequence to the end of

the internal clear/write cycle.

Figure 7-3. Data Validity

6 AT88SC0104CA

DATA

CHANGE

ALLOWED

5200AS–CRYPT–7/08

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