AT94K05AL-25DQU Atmel, AT94K05AL-25DQU Datasheet - Page 151
AT94K05AL-25DQU
Manufacturer Part Number
AT94K05AL-25DQU
Description
Manufacturer
Atmel
Datasheet
1.AT94K05AL-25DQU.pdf
(204 pages)
Specifications of AT94K05AL-25DQU
Device System Gates
5000
Propagation Delay Time
12.1ns
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Industrial
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Mounting
Surface Mount
Pin Count
208
Package Type
PQFP
Lead Free Status / RoHS Status
Compliant
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Table 4-30.
1138I–FPSLI–1/08
(TWSR)
Status
Code
$08
$10
$38
$40
$48
$50
$58
A START condition has
been transmitted
A repeated START
condition has been
transmitted
Arbitration lost in
SLA+R or NOT ACK bit
SLA+R has been
transmitted;
ACK has been received
SLA+R has been
transmitted;
NOT ACK has been
received
Data byte has been
received;
ACK has been returned
Data byte has been
received;
NOT ACK has been
returned
Serial Bus and 2-wire
Status of the 2-wire
Status Codes for Master Receiver Mode
Serial Hardware
Load SLA+R
Load SLA+R or
Load SLA+W
No TWDR action or
No TWDR action
No TWDR action or
No TWDR action
No TWDR action or
No TWDR action or
No TWDR action
Read data byte or
Read data byte
Read data byte or
Read data byte or
Read data byte
To/From TWDR
Application Software Response
STA
X
X
X
0
1
0
0
1
0
1
0
0
1
0
1
STO
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
To TWCR
TWINT
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AT94KAL Series FPSLIC
TWEA
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
SLA+R will be transmitted
ACK or NOT ACK will be received
SLA+R will be transmitted
ACK or NOT ACK will be received
SLA+W will be transmitted
Logic will switch to Master Transmitter mode
2-wire serial bus will be released and not
addressed Slave mode will be entered
A START condition will be transmitted when
the bus becomes free
Data byte will be received and NOT ACK will
be returned
Data byte will be received and ACK will be
returned
Repeated START will be transmitted
STOP condition will be transmitted and
TWSTO flag will be reset
STOP condition followed by a START
condition will be transmitted and TWSTO flag
will be reset
Data byte will be received and NOT ACK will
be returned
Data byte will be received and ACK will be
returned
Repeated START will be transmitted
STOP condition will be transmitted and
TWSTO flag will be reset
STOP condition followed by a START
condition will be transmitted and TWSTO flag
will be reset
Next Action Taken by 2-wire Serial
Hardware
151
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