Rainbow-electronics AT89C51SND1C Manuale Utente Scaricare il pdf (Pagina 165)

165

AT8xC51SND1C

4109E–8051–06/03

Figure 127. Format and States in the Slave Receiver Mode

AData

68h

ASLA

Reception of the own slave

address and one or more

Last data Byte received

is not acknowledged

Arbitration lost as master and

addressed as slave

Reception of the general call

address and one or more data Bytes

Arbitration lost as master and

addressed as slave by general call

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

60h

A P or S

80h

nnh

Data

80h A0h

88h

A P or S

AData

78h

AGeneral Call

70h

A P or S

90h

Data

90h A0h

98h

A P or S

data Bytes.

All are acknowledged

Last data Byte received

is not acknowledged

1 2 ... 160 161 162 163 164 165 166 167 168 169 170 ... 209 210

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