Texas Instruments TMS320C6457 manual List of Figures

Models: TMS320C6457

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List of Figures

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List of Figures

1

HPI Position in the Host-DSP System

7

2

Example of Host-DSP Signal Connections When Using the

 

Signal in the 32-Bit Multiplexed Mode

12

HAS

3

Example of Host-DSP Signal Connections When the

 

Signal is Tied High in the 32-Bit Multiplexed

 

HAS

 

 

Mode

13

4

Example of Host-DSP Signal Connections When Using the

 

Signal in the 16-Bit Multiplexed Mode

13

HAS

5

Example of Host-DSP Signal Connections When the

 

Signal is Tied High in the 16-Bit Multiplexed

 

HAS

 

 

Mode

14

6

HPI Strobe and Select Logic

15

7

16-Bit Multiplexed Mode Host Read Cycle Using

 

 

 

 

 

 

18

HAS

8

16-Bit Multiplexed Mode Host Write Cycle Using

 

 

 

 

 

 

 

 

19

HAS

9

16-Bit Multiplexed Mode Host Read Cycle With

 

 

 

Tied High

20

HAS

10

16-Bit Multiplexed Mode Host Write Cycle With

 

 

 

 

 

Tied High

21

HAS

11

16-Bit Multiplexed Mode Single-Halfword HPIC Cycle with

 

 

Tied High

22

HAS

12

 

Behavior During an HPIC or HPIA Read Cycle in the 16-Bit Multiplexed Mode

23

HRDY

13

 

 

Behavior During a Data Read Operation in the 16-Bit Multiplexed Mode (Case 1: HPIA Write

 

HRDY

 

 

Cycle Followed by Nonautoincrement HPID Read Cycle)

23

14

 

 

Behavior During a Data Read Operation in the 16-Bit Multiplexed Mode (Case 2: HPIA Write

 

HRDY

 

 

Cycle Followed by Autoincrement HPID Read Cycles)

23

15

 

 

Behavior During an HPIC Write Cycle in the 16-Bit Multiplexed Mode

24

HRDY

16

 

 

Behavior During a Data Write Operation in the 16-Bit Multiplexed Mode (Case 1: No

 

HRDY

 

 

Autoincrementing)

24

17

 

 

Behavior During a Data Write Operation in the 16-Bit Multiplexed Mode(Case 2: Autoincrementing

 

HRDY

 

 

Selected, FIFO Empty Before Write)

24

18

 

 

Behavior During a Data Write Operation in the 16-Bit Multiplexed Mode(Case 3: Autoincrementing

 

HRDY

 

 

Selected, FIFO Not Empty Before Write)

25

19

 

 

Behavior During an HPIC or HPIA Read Cycle in the 32-Bit Multiplexed Mode

25

HRDY

20

 

 

Behavior During a Data Read Operation in the 16-Bit Multiplexed Mode (Case 1: HPIA Write

 

HRDY

 

 

Cycle Followed by Nonautoincrement HPID Read Cycle)

26

21

 

 

Behavior During a Data Read Operation in the 32-Bit Multiplexed Mode (Case 2: HPIA Write

 

HRDY

 

 

Cycle Followed by Autoincrement HPID Read Cycles)

26

22

 

 

Behavior During an HPIC Write Cycle in the 32-Bit Multiplexed Mode

27

HRDY

23

 

 

Behavior During a Data Write Operation in the 32-Bit Multiplexed Mode (Case 1: No

 

HRDY

 

 

Autoincrementing)

27

24

 

 

Behavior During a Data Write Operation in the 32-Bit Multiplexed Mode (Case 2:

 

HRDY

 

 

Autoincrementing Selected, FIFO Empty Before Write)

28

25

 

 

Behavior During a Data Write Operation in the 32-Bit Multiplexed Mode (Case 3:

 

HRDY

 

 

Autoincrementing Selected, FIFO Not Empty Before Write)

28

26

Host-to-CPU Interrupt State Diagram

30

27

CPU-to-Host Interrupt State Diagram

31

28

FIFOs in the HPI

32

29

Power and Emulation Management Register (PWREMU_MGMT)

37

30

Host Access Permissions

38

31

CPU Access Permissions

38

32

Format of an Address Register (HPIAW or HPIAR) - Host Access Permissions

40

33

Format of an Address Register (HPIAW or HPIAR) - CPU Access Permissions

40

34

Data Register (HPID) (Host access permissions, CPU cannot access HPID)

41

4

List of Figures

SPRUGK7A –March 2009 –Revised July 2010

Copyright © 2009–2010, Texas Instruments Incorporated

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Texas Instruments TMS320C6457 manual List of Figures