AT94K05AL ATMEL Corporation, AT94K05AL Datasheet - Page 143
AT94K05AL
Manufacturer Part Number
AT94K05AL
Description
Fpslic Devices Combine 5K Gates of Atmel's Patented AT40K Fpga Architecture, a 20 Mips Avr 8-bit Risc Microprocessor Core, Numerous Fixed Microcontroller Peripheries And up to 36K Bytes of Program And Data SRAM.
Manufacturer
ATMEL Corporation
Datasheet
1.AT94K05AL.pdf
(192 pages)
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Table 42. Status Codes for Slave Receiver Mode (Continued)
Rev. 1138F–FPSLI–06/02
(TWSR)
Status
Code
$A0
$90
$98
Status of the 2-wire
Serial Bus and 2-wire
Serial Hardware
Previously addressed
with general call; data
has been received;
ACK has been returned
Previously addressed
with general call; data
has been received;
NOT ACK has been
returned
A STOP condition or
repeated START
condition has been
received while still
addressed as Slave
To/From TWDR
Read data byte or
Read data byte
Read data byte or
Read data byte or
Read data byte or
Read data byte
Read data byte or
Read data byte or
Read data byte or
Read data byte
Application Software Response
STA
X
X
0
0
1
1
0
0
1
1
STO
0
0
0
0
0
0
0
0
0
0
To TWCR
TWINT
1
1
1
1
1
1
1
1
1
1
TWEA
AT94K Series FPSLIC
0
1
0
1
0
1
0
1
0
1
Next Action Taken by 2-wire
Serial Hardware
Data byte will be received and NOT ACK
will be returned
Data byte will be received and ACK will be
returned
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA; a
START condition will be transmitted when
the bus becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”; a START condition
will be transmitted when the bus becomes
free
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA; a
START condition will be transmitted when
the bus becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”; a START condition
will be transmitted when the bus becomes
free
143
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