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 I2C-bus controller

(1) SeeTable 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 SA
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
nThis number (contained in I2CSTA) corresponds
to a defined state of the I2C-bus.(1)
Aany number of data bytes and
their associated Acknowledge bits
from master to slave
from slave to master
DATA
DATA