beautypg.com

Figure 9, Pca9665, Nxp semiconductors – NXP Semiconductors PCA9665 User Manual

Page 26: Fm+ parallel bus to i, C-bus controller

background image

PCA9665_2

© NXP B.V. 2006. All rights reserved.

Product data sheet

Rev. 02 — 7 December 2006

26 of 91

NXP Semiconductors

PCA9665

Fm+ parallel bus to I

2

C-bus controller

(1) See

Table 31

.

(2) Defined state when a single byte is received and an ACK is sent (AA = 1).

(3) Defined state when a single byte is received and a NACK is sent (AA = 0).

Fig 9.

Format and states in the Slave Receiver Byte mode (MODE = 0)

S

SLA

W

A

DATA

A

P or S

60h

80h

A0h

A

68h

002aab026

reception of
own slave address
and one or more
data bytes;
all are Acknowledged.

last data byte received is
Not Acknowledged

arbitration lost as MST and
addressed as slave

DATA

A

80h

P or S

F8h

A

88h

on STOP

P or S

F8h on STOP

GENERAL

CALL = 00h

A

A

P or S

D0h

E0h

A0h

A

D8h

DATA

A

E0h

P or S

A

E8h

reception of the
General Call address
and one or more
data bytes

last data byte received is
Not Acknowledged

arbitration lost as MST and
addressed as slave by
General Call

S

F8h

on STOP

W

(2)

(2)

(3)

(2)

(2)

(3)

P or S

F8h on STOP

n

This number (contained in I2CSTA) corresponds
to a defined state of the I

2

C-bus.

(1)

A

any number of data bytes and
their associated Acknowledge bits

from master to slave

from slave to master

DATA

DATA