SM320C6455-EP

 

 

 

FIXED-POINT DIGITAL SIGNAL PROCESSOR

 

 

 

SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

 

 

 

Contents

 

1

Features

7

 

1.1

ZTZ/GTZ BGA Package (Bottom View)

8

 

1.2

Description

8

 

1.3

Functional Block Diagram

10

2

Device Overview

11

 

2.1

Device Characteristics

11

 

2.2

CPU (DSP Core) Description

12

 

2.3

Memory Map Summary

15

 

2.4

Boot Sequence

17

 

 

2.4.1

Boot Modes Supported

17

 

 

2.4.2

2nd-Level Bootloaders

19

 

2.5

Pin Assignments

20

 

 

2.5.1

Pin Map

20

 

2.6

Signal Groups Description

24

 

2.7

Terminal Functions

30

 

2.8

Development

55

 

 

2.8.1

Development Support

55

 

 

2.8.2

Device Support

55

 

 

 

2.8.2.1 Device and Development-Support Tool Nomenclature

55

 

 

 

2.8.2.2 Documentation Support

56

3

Device Configuration

59

 

3.1

Device Configuration at Device Reset

59

 

3.2

Peripheral Configuration at Device Reset

61

 

3.3

Peripheral Selection After Device Reset

63

 

3.4

Device State Control Registers

65

 

 

3.4.1 Peripheral Lock Register Description

66

 

 

3.4.2 Peripheral Configuration Register 0 Description

67

 

 

3.4.3 Peripheral Configuration Register 1 Description

69

 

 

3.4.4 Peripheral Status Registers Description

70

 

 

3.4.5 EMAC Configuration Register (EMACCFG) Description

73

 

 

3.4.6 Emulator Buffer Powerdown Register (EMUBUFPD) Description

74

 

3.5

Device Status Register Description

75

 

3.6

JTAG ID (JTAGID) Register Description

77

 

3.7

Pullup/Pulldown Resistors

78

 

3.8

Configuration Examples

78

4

System Interconnect

81

 

4.1

Internal Buses, Bridges, and Switch Fabrics

81

 

4.2

Data Switch Fabric Connections

82

 

4.3

Configuration Switch Fabric

84

 

4.4

Bus Priorities

86

5

C64x+ Megamodule

87

 

5.1

Memory Architecture

87

 

5.2

Memory Protection

90

 

5.3

Bandwidth Management

90

 

5.4

Power-Down Control

91

 

5.5

Megamodule Resets

91

 

5.6

Megamodule Revision

92

 

5.7

C64x+ Megamodule Register Description(s)

93

6

Device Operating Conditions

101

 

6.1

Absolute Maximum Ratings Over Operating Case Temperature Range (Unless Otherwise Noted)

101

Contents 3

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Texas Instruments SM320C6455-EP manual FIXED-POINT Digital Signal Processor