Atmega128rfa1 – Rainbow Electronics ATmega128RFA1 User Manual

Page 395

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

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

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

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

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