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Table 128, Ugh figure 128, Gh figure 128, cir – Rainbow Electronics AT89C51SND1C User Manual

Page 166: H table 128, In table 128, At8xc51snd1c

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166

AT8xC51SND1C

4109E–8051–06/03

Figure 128. Format and States in the Slave Transmitter Mode

A

Data

B0h

A

SLA

Data

A

From master to slave

From slave to master

Any number of data Bytes and their associated
acknowledge bits

This number (contained in SSSTA) corresponds
to a defined state of the TWI bus

S

R

A8h

A

P or S

C0h

All 1’s

A

P or S

C8h

nnh

Data

B8h

A

Arbitration lost as master and
addressed as slave

Reception of the own slave
address and transmission
of one or more data Bytes.

Last data Byte transmitted.
Switched to not addressed
slave (SSAA = 0).

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