Nxp-semiconductors PCA9665 Uživatelský manuál stáhnout pdf (Strana 47)

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Product data sheet Rev. 02 — 7 December 2006 47 of 91

NXP Semiconductors

PCA9665

Fm+ parallel bus to I

C-bus controller

C8h BC[6:0] bytes in

I2CDAT have been

transmitted

(AA = 0);

ACK has been

received

No I2CDAT action

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

No recognition of own slave address;

General Call address recognized if GC = 1.

No I2CDAT action

X X 0 X 0 1 1 Switched to slave mode; Own slave address

will be recognized; General Call address

recognized if GC = 1.

No I2CDAT action

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

No recognition of own slave address;

General Call 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 slave mode; Own slave address

will be recognized; General Call address will

be recognized if GC = 1; A START condition

will be transmitted when the bus becomes

free.

Table 41. Slave Transmitter Buffered mode (MODE = 1)

…continued

Status

code

(I2CSTA)

Status of the

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

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 90 91

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