AT94K05AL-25BQI Atmel, AT94K05AL-25BQI Datasheet - Page 151
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AT94K05AL-25BQI
Manufacturer Part Number
AT94K05AL-25BQI
Description
IC FPSLIC 5K GATE 25MHZ 144LQFP
Manufacturer
Atmel
Series
FPSLIC®r
Specifications of AT94K05AL-25BQI
Core Type
8-bit AVR
Speed
25MHz
Interface
I²C, UART
Program Sram Bytes
4K-16K
Fpga Sram
2kb
Data Sram Bytes
4K ~ 16K
Fpga Core Cells
256
Fpga Gates
5K
Fpga Registers
436
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
ATSTK594 - BOARD FPSLIC DAUGHTER FOR STK500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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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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