Rainbow-electronics ATmega128RFA1 Manual de usuario Pagina 395

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395
8266A-MCU Wireless-12/09
ATmega128RFA1
0x78 Arbitration lost in
SLA+R/W as Master;
General call address has
been received; ACK has
been returned
No TWDR action or
No TWDR action
X
X
0
0
1
1
0
1
Data byte will be received and NOT
ACK will be returned
Data byte will be received and ACK
will be returned
0x80 Previously addressed
with own SLA+W; data
has been received; ACK
has been returned
Read data byte or
Read data byte
X
X
0
0
1
1
0
1
Data byte will be received and NOT
ACK will be returned
Data byte will be received and ACK
will be returned
0x88 Previously addressed
with own SLA+W; data
has been received; NOT
ACK has been returned
Read data byte or
Read data byte or
Read data byte or
Read data byte
0
0
1
1
0
0
0
0
1
1
1
1
0
1
0
1
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 TWGCE =
“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 TWGCE =
“1”; a START condition will be
transmitted when the bus becomes
free
0x90 Previously addressed
with general call; data
has been re-ceived; ACK
has been returned
Read data byte or
Read data byte
X
X
0
0
1
1
0
1
Data byte will be received and NOT
ACK will be returned
Data byte will be received and ACK
will be returned
0x98 Previously addressed
with general call; data
has been received; NOT
ACK has been returned
Read data byte or
Read data byte or
Read data byte or
Read data byte
0
0
1
1
0
0
0
0
1
1
1
1
0
1
0
1
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 TWGCE =
“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 TWGCE =
“1”; a START condition will be
transmitted when the bus becomes
free
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