Philips Semiconductors

Product data

PCA9564

2003 Apr 02

8

S

SLA

WA

A

DATA

P

S

SLA

W

A

P

A

P

08H

18H

28H

R

38H

A or A

OTHER MST

CONTINUES

A or A

OTHER MST

CONTINUES

38H

30H

20H

B0H

OTHER MST

CONTINUES

A

MT

10H

TO MST/REC MODE

ENTRY = MR

SUCCESSFUL TRANSMISSION

TO A SLAVE RECEIVER

NEXT TRANSFER STARTED WITH A REPEATED START CONDITION

NOT ACKNOWLEDGE RECEIVED AFTER THE SLAVE ADDRESS

NOT ACKNOWLEDGE RECEIVED AFTER A DATA BYTE

ARBITRATION LOST IN SLAVE ADDRESS OR DATA BYTE

ARBITRATION LOST AND ADDRESSED AS SLAVE

A

n

FROM MASTER TO SLAVE

FROM SLAVE TO MASTER

ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS

THIS NUMBER (CONTAINED IN I2CSTA) CORRESPONDS TO A DEFINED STATE OF THE I2C BUS. SEE TABLE 2.

Data

SW00816

68H

TO CORRESPONDING STATES IN

SLAVE RECEIVER MODE

TO CORRESPONDING STATES IN

SLAVE TRANSMITTER MODE

NOTE: THE MASTER SHOULD NEVER TRANSMIT ITS OWN SLAVE ADDRESS

F8H

F8H

F8

Figure 2. Format and states in the master transmitter mode