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Motorola DSP56012 User Manual

Page 269

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Motorola

I-5

Programming Model

6-8

RCS

Receiver 0 Enable

6-10

Receiver 1 Enable

6-11

Receiver Clock Polarity

6-13

Receiver Data Shift Direction

6-12

Receiver Data Word Truncation

6-14

Receiver Interrupt Enable

6-15

Receiver Interrupt Location

6-15

Receiver Left Data Full

6-16

Receiver Left Right Selection

6-12

Receiver Master

6-11

Receiver Relative Timing

6-13

Receiver Right Data Full

6-16

Receiver Word Length Control

6-11

Receive Data Registers

6-17

Receive Section

6-5

Receive Section Block Diagram

6-5

Receiver Clock Polarity (RCKP)

Programming

6-13

Receiver Clock Polarity Programming

6-13

Receiver Control/Status Register

6-10

Receiver Data Shift Direction (RDIR)

Programming

6-12

Receiver Data Word Truncation (RDWT)

Programming

6-14

Receiver Left Right Selection (RLRS)

Programming

6-12

Receiver Relative Timing (RREL)

Programming

6-14

Registers

6-8

Single Interrupt To Service Receiver And

Transmitter

6-24

TCS

Transmitter 0 Enable

6-17

Transmitter 1 Enable

6-17

Transmitter 2 Enable

6-18

Transmitter Clock Polarity

6-19

Transmitter Data Shift Direction

6-18

Transmitter Data Word Expansion

6-20

Transmitter Interrupt Enable

6-21

Transmitter Interrupt Location

6-22

Transmitter Left Data Empty

6-22

Transmitter Left Right Selection

6-19

Transmitter Master

6-18

Transmitter Relative Timing

6-20

Transmitter Right Data Empty

6-23

Transmitter Word Length Control

6-18

Transmit Data Registers

6-23

Transmit Section

6-6

Transmit Section Block Diagram

6-7

Transmitter Clock Polarity Programming

6-20

Transmitter Control/Status Register

(TCS)

6-17

Transmitter Data Shift Direction

Programming

6-19

Transmitter Data Word Expansion

Programming

6-21

Transmitter Left Right Selection

Programming

6-19

Serial Audio Interface — See Section 6
Serial Audio Interface (SAI)

1-10

,

1-19

,

6-3

Serial Host Interface (SHI)

1-10

,

1-18

,

5-3

Serial Host Interface—See Section 5
Serial Peripheral Interface Bus

1-18

,

5-3

SHI

1-18

,

5-3

Block Diagram

5-4

Clock Control Register—DSP Side

5-9

Clock Generator

5-5

Control/Status Register—DSP Side

5-13

Data Size

5-14

Exception Priorities

5-7

HCKR

Clock Phase and Polarity Controls

5-10

Divider Modulus Select

5-12

Prescaler Rate Select

5-11

HCKR Filter Mode

5-12

HCSR

Bus Error Interrupt Enable

5-16

FIFO Enable Control

5-14

Host Request Enable

5-15

Idle

5-15

Master Mode

5-14

Serial Host Interface I

2

C/SPI

Selection

5-13

Serial Host Interface Mode

5-14

SHI Enable

5-13

Host Receive Data FIFO—DSP Side

5-9

Host Transmit Data Register—DSP Side

5-8

HREQ

Function In SHI Slave Modes

5-15

HSAR

I

2

C Slave Address

5-9

Slave Address Register

5-9

I/O Shift Register

5-8

Input/Output Shift Register—Host Side

5-8

Internal Architecture

5-4

Internal Interrupt Priorities

5-7

Interrupt Vectors

5-7

Introduction

5-3

Operation During Stop

5-30

Programming Considerations

5-23

Programming Model

5-5

Programming Model—DSP Side

5-6

Programming Model—Host Side

5-5

Slave Address Register—DSP Side

5-9

SHI Noise Reduction Filter Mode

5-12

SPI

1-18

,

5-3

,

5-19