Nxp-semiconductors PCA9665 Manual do Utilizador Página 42
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PCA9665_2 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 02 — 7 December 2006 42 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
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).
- 1. General description 1
- 2. Features 1
- 3. Applications 2
- 4. Ordering information 2
- 5. Block diagram 3
- 6. Pinning information 4
- 6.2 Pin description 5
- 7. Functional description 6
- Fm+ parallel bus to I 10
- C-bus controller 10
- NXP Semiconductors 11
- 8. PCA9665 modes 16
- 8.3 Byte mode 17
- 8.4 Buffered mode 31
- 8.5 Buffered mode examples 48
- 8.6 I2CCOUNT register 51
- 8.7 Acknowledge management (I 53
- Buffered modes 53
- …continued 56
- 8.8 Miscellaneous states 57
- 8.9 Some special cases 58
- 8.10 Power-on reset 60
- 002aab966 61
- 002aab031 61
- 9. Characteristics of the I 65
- 9.3 Acknowledge 66
- 10.1 Specific applications 67
- 10.2 Add I 67
- C-bus port 67
- 10.3 Add additional I 68
- C-bus ports 68
- C-bus serial data stream 68
- 11. Limiting values 69
- 12. Static characteristics 70
- 13. Dynamic characteristics 71
- 14. Test information 78
- 15. Package outline 79
- 16. Handling information 83
- 17. Soldering 83
- 18. Abbreviations 87
- 19. Revision history 87
- 20. Legal information 89
- 21. Contact information 89
- 22. Contents 90
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