Rainbow-electronics AT89C51SND1C Manual de usuario descargar pdf (Pagina 163)

163

AT8xC51SND1C

4109E–8051–06/03

Figure 125. Format and States in the Master Transmitter Mode

Data

20h

ASLA

08h

Successful transmis-

sion to a slave receiver

Next transfer started with

a repeated start condition

Not acknowledge received

after the slave address

Arbitration lost in slave

address or data Byte

Arbitration lost and

addressed as slave

Not acknowledge received

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

18h

A P

28h

SLASW

A P

10h

30h

A P

38h

A or A

continues

Other master

38h

A or A

continues

Other master

68h

continues

Other master

78h B0h

nnh

after a data Byte

To corresponding

states in slave mode

1 2 ... 158 159 160 161 162 163 164 165 166 167 168 ... 209 210

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