M24C32T-FCU Datasheet, PDF (15/36 Pages) STMicroelectronics – 32-Kbit serial IC bus EEPROM 4 balls CSP

M24C32T-FCU
Instructions
5.1.1
Byte Write
After the device select code and the address bytes, the bus master sends one data byte. If
the addressed location is Write-protected, the device replies with NoAck, and the location is
not modified, as shown in Figure 6. If, instead, the addressed location is not Write-
protected, the device replies with Ack, as shown in Figure 5. The bus master shall
terminates the transfer by generating a Stop condition.
Figure 5. Write mode sequence (data write enabled)
"YTE7RITE
!#+
!#+
!#+
!#+
$EVSEL
"YTEADDR
"YTEADDR
$ATAIN
27
0AGE7RITE
!#+
!#+
!#+
!#+
$EVSEL
"YTEADDR
"YTEADDR
$ATAIN
$ATAIN
27
0AGE7RITECONTgD
!#+
!#+
$ATAIN.
!)E
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