NXP Semiconductors PCA9665

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Product data sheet Rev. 02 — 7 December 2006 44 of 91

NXP Semiconductors PCA9665

Fm+ parallel bus to I2C-bus controller

E8h Previouslyaddressed

with General Call;

BC[6:0]data bytes

have been received;

ACKhas been

returned for all the

bytes, except for the

lastone where NACK

bit has been returned

Read data bytes

or X X 0 X 0 0 1 Switched to not addressed slave mode;

No recognition of own slave address;

GeneralCall address will be recognized if GC = 1

Read data bytes

or X X 0 X 0 1 1 Switched to not addressed slave mode;

Own slaveaddress will be recognized;

GeneralCall address will be recognized if GC = 1

Read data bytes

or X X 1 X 0 0 1 Switched to not addressed slave mode;

No recognition of own slave address;

GeneralCall address will be recognized if GC = 1;

A STARTcondition will be transmitted when the

bus becomes free.

Read data bytes X X 1 X 0 1 1 Switched to not addressed slave mode;

Own slaveaddress will be recognized;

GeneralCall address will be recognized if GC = 1;

A STARTcondition will be transmitted when the

bus becomes free.

A0h A STOP condition or

repeated START

condition has been

received while still

addressed as slave

receiver

NoI2CDAT action

or X X 0 X 0 0 1 Switched to not addressed slave mode;

No recognition of own slave address;

GeneralCall address will be recognized if GC = 1

NoI2CDAT action

or X X 0 X 0 1 1 Switched to not addressed slave mode;

Own slaveaddress will be recognized;

GeneralCall address will be recognized if GC = 1

NoI2CDAT action

or X X 1 X 0 0 1 Switched to not addressed slave mode;

No recognition of own slave address;

GeneralCall address will be recognized if GC = 1;

A START condition will be transmitted when the

bus becomes free.

No I2CDAT action X X 1 X 0 1 1 Switched to not addressed slave mode;

Own slaveaddress will be recognized;

GeneralCall address will be recognized if GC = 1;

A START condition will be transmitted when the

bus becomes free.

Table 40. Slave Receiver Buffered mode (MODE= 1)

…continued

Status

code

(I2CSTA)

Status of the

I2C-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