Rainbow-electronics W90P710CDG Bedienungsanleitung PDF herunterladen (Seite 478)

100

101

W90P710CD/W90P710CDG

- 478 -

31 30 29 28 27 26 25 24

Reserved

23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8

Reserved

7 6 5 4 3 2 1 0

Reserved

START STOP READ WRITE ACK

NOTE: Software can write this register only when I2C_EN = 1.

BITS DESCRIPTIONS

[31:5]

Reserved

[4]

START

Generate Start Condition

Generate (repeated) start condition on I

C bus.

[3]

STOP

Generate Stop Condition

Generate stop condition on I

C bus.

[2]

READ

Read Data From Slave

Retrieve data from slave.

[1]

WRITE

Write Data To Slave

Transmit data to slave.

[0]

ACK

Send Acknowledge To Slave

When I

C behaves as a receiver, sent ACK (ACK = ‘0’) or NACK (ACK

= ‘1’) to slave.

NOTE: The START, STOP, READ and WRITE bits are cleared automatically while transfer finished.

READ and WRITE cannot be set concurrently.

I2C Software Mode Register 0/1(I2C_SWR 0/1)

I2C_SWR0 0xFFF8_600C R/W I2C Software Mode Control Register 0 0x0000_003F

I2C_SWR1 0xFFF8_610C R/W I2C Software Mode Control Register 1 0x0000_003F

1 2 ... 473 474 475 476 477 478 479 480 481 482 483 ... 551 552

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