at94s40al ATMEL Corporation, at94s40al Datasheet - Page 9

• Manufacturer Part Number: at94s40al
• Description: At94s05al Secure 5k - 40k Gates Of At40k Fpga With 8-bit Microcontroller, Up To 36 Kbytes Of Sram And On-chip Program Storage Eeprom
• Manufacturer: ATMEL Corporation

4.9
2314E–FPSLI–6/05
Programming Summary:
Read from Whole Device
Low-power (Standby)
Send Device Address
Send Device Address
Send Start Condition
Send Start condition
BYTE_COUNT
EEPROM Address
EEPROM Address
Sent Stop Condition
EEPROM Address
BYTE_COUNT
BYTE_COUNT+1
SER_EN
SER_EN
Read Data Byte
Middle Byte
Send MSB of
Send LSB of
Send ACK
START
($A6)
($A7)
END
High
Low
0
(2)
(1)
(1)
Yes
Yes
Yes
Yes
Yes
Yes
No
BYTE_COUNT=
TT_BYTE?
ACK?
ACK?
ACK?
ACK?
ACK?
No
No
No
No
No
Notes:
4.9.1
AT17LV010
4.9.2
AT17LV010
1. The 1-Mbit part requires three EEPROM address
2. Data byte received/sent LSB to MSB
EEPROM Address is Defined as:
TT_BYTE
bytes; all three bytes must be individually ACK’d by
the EEPROM.
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
START CONDITION
STOP CONDITION
SAMPLE DATA BIT
ACK BIT
AT94S Secure Family
ACK
00 00 00 \h
131072 \d
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