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Intel PXA255 User Manual

Page 15

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Intel® PXA255 Processor Developer’s Manual

xv

Contents

9-3

START and STOP Conditions ...................................................................................................9-6

9-4

Data Format of First Byte in Master Transaction .......................................................................9-8

9-5

Acknowledge on the I2C Bus.....................................................................................................9-9

9-6

Clock Synchronization During the Arbitration Procedure.........................................................9-10

9-7

Arbitration Procedure of Two Masters .....................................................................................9-11

9-8

Master-Receiver Read from Slave-Transmitter .......................................................................9-14

9-9

Master-Receiver Read from Slave-Transmitter / Repeated Start / Master-

Transmitter Write to Slave-Receiver........................................................................................9-14

9-10

A Complete Data Transfer .......................................................................................................9-14

9-11

Master-Transmitter Write to Slave-Receiver............................................................................9-16

9-12

Master-Receiver Read to Slave-Transmitter ...........................................................................9-16

9-13

Master-Receiver Read to Slave-Transmitter, Repeated START, Master-

Transmitter Write to Slave-Receiver........................................................................................9-16

9-14

General Call Address...............................................................................................................9-17

10-1

Example UART Data Frame ....................................................................................................10-4

10-2

Example NRZ Bit Encoding – (0b0100 1011 ...........................................................................10-5

10-3

IR Transmit and Receive Example ........................................................................................10-25

10-4

XMODE Example...................................................................................................................10-25

11-1

4PPM Modulation Encodings...................................................................................................11-2

11-2

4PPM Modulation Example .....................................................................................................11-2

11-3

Frame Format for IrDA Transmission (4.0 Mbps) ....................................................................11-3

12-1

NRZI Bit Encoding Example ....................................................................................................12-4

12-2

Self-Powered Device .............................................................................................................12-11

13-1

Data Transfer Through the AC-link..........................................................................................13-3

13-2

AC’97 Standard Bidirectional Audio Frame .............................................................................13-4

13-3

AC-link Audio Output Frame....................................................................................................13-5

13-4

Start of Audio Output Frame....................................................................................................13-5

13-5

AC’97 Input Frame...................................................................................................................13-9

13-6

Start of an Audio Input Frame..................................................................................................13-9

13-7

AC-link Powerdown Timing....................................................................................................13-12

13-8

SDATA_IN Wake Up Signaling..............................................................................................13-13

13-9

PCM Transmit and Receive Operation ..................................................................................13-27

13-10 Mic-in Receive-Only Operation..............................................................................................13-29
13-11 Modem Transmit and Receive Operation ..............................................................................13-32
14-1

I2S Data Formats (16 bits).......................................................................................................14-7

14-2

MSB-Justified Data Formats (16 bits .......................................................................................14-7

14-3

Transmit and Receive FIFO Accesses Through the SADR...................................................14-15

15-1

MMC System Interaction .........................................................................................................15-1

15-2

MMC Mode Operation Without Data Token.............................................................................15-3

15-3

MMC Mode Operation With Data Token..................................................................................15-3

15-4

SPI Mode Operation Without Data Token ...............................................................................15-4

15-5

SPI Mode Read Operation.......................................................................................................15-4

15-6

SPI Mode Write Operation.......................................................................................................15-4

16-1

Texas Instruments Synchronous Serial Frame* Protocol (multiple transfers) .........................16-5

16-2

Texas Instruments Synchronous Serial Frame* Protocol (single transfers) ............................16-6

16-3

Motorola SPI* Frame Protocol (multiple transfers) ..................................................................16-7

16-4

Motorola SPI* Frame Protocol (single transfers) .....................................................................16-7

16-5

Motorola SPI* Frame Protocols for SPO and SPH Programming (multiple transfers).............16-8

16-6

Motorola SPI* Frame Protocols for SPO and SPH Programming (single transfers)................16-9

16-7

National Semiconductor Microwire* Frame Protocol (multiple transfers) ..............................16-10