Rainbow-electronics AT89C51SND1C Bedienungsanleitung PDF herunterladen (Seite 166)

166

AT8xC51SND1C

4109E–8051–06/03

Figure 128. Format and States in the Slave Transmitter Mode

AData

B0h

ASLA

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

A8h

A P or S

C0h

All 1’sAP or S

C8h

nnh

Data

B8h

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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Rainbow-electronics AT89C51SND1C Bedienungsanleitung Seite 166