NXP Semiconductors PCA9665 - Manual (Page 42)

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PCA9665_2
© NXP B
.V
. 2006. All r
ights reser
v ed.
Pr
oduct data sheet
Re
v
. 02 — 7 December 2006
42 of 91
NXP Semiconductor
s
PCA9665
Fm+ parallel b
us to I
2 C-b
us contr
oller
Table 40. Slave Receiver Buffered mode (MODE = 1)
Status
code
(I2CSTA) Status of the
I
2 C-bus and the
PCA9665
Application software response Next action taken by the PCA9665
To/from I2CDAT To/from I2CCOUNT To I2CCON
LB BC[6:0] STA STO SI AA MODE
60h Own SLA+W has
been received;
ACK has been
returned
No I2CDAT action
or 0 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them.
No I2CDAT action 1 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them, except for the last
one where NACK bit will be returned (unless
master transmitter sends a STOP or Repeated
START condition before).
68h Arbitration lost in
SLA+R/W as master;
Own SLA+W has
been received;
ACK has been
returned
No I2CDAT action
or 0 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them.
No I2CDAT action 1 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them, except for the last
one where NACK bit will be returned (unless
master transmitter sends a STOP or Repeated
START condition before).
D0h General Call address
(00h) has been
received;
ACK has been
returned.
No I2CDAT action
or 0 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them.
No I2CDAT action 1 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them, except for the last
one where NACK bit will be returned (unless
master transmitter sends a STOP or Repeated
START condition before).
D8h Arbitration lost in
SLA = R/W as
master;
General Call address
has been received;
ACK bit has been
returned.
No I2CDAT action
or 0 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them.
No I2CDAT action 1 Total number of
bytes to be
received X X 0 X 1 Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them, except for the last
one where NACK bit will be returned (unless
master transmitter sends a STOP or Repeated
START condition before).