National Instruments NI SPEEDY-33 Memory Map

Chapter 2 NISPEEDY-33 Functional Description and Interface

NI SPEEDY-33 User Manual 2-4 ni.com

Memory Map

The DSP runs in microcomputer/bootloader mode on the NI SPEEDY-33.

The memory map for the NI SPEEDY-33 is shown in Figure 2-3.

Figure 2-3. NISPEEDY-33 Memory Map

Reserved for Bootloader Operations

0h

FFFh

External RAM (1008 KB) 5 Wait States

1000h

3FFFFh

(Empty)

40000h

3FFFFFh

Flash Memory (2048 KB in Space,

Byte-Wide, Lowest Byte) 7 Wait States

400000h

47FFFFh

(Empty)

480000h

7FFFFFh

Internal RAM Block 2 (64 KB)

800000h

803FFFh

Internal RAM Block 3 (64 KB)

804000h

807FFFh

Peripheral Bus Memory-Mapped Registers

(24 KB Internal)

808000h

8097FFh

Internal RAM Block 0 (4 KB)

809800h

809BFFh

Internal RAM Block 1 (4 KB)

809C00h

809FC0h

User Program Interrupt and Trap Branch Table

809FC1h

809FFFh

(Empty)

Board Status/CTL, XXF

USB Peripheral Status

USB Host EVEN

USB Host ODD

Switch Read/LED Write

80B000h

80B003h

80B004h

80B005h

80B007h

CompactFlash Control/Data

C00000h

C0000Fh

USB Boot Area

FFF000h

FFFFFFh

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class FCC/DOC Warnings Class A Conventions Contents Chapter 1 NI SPEEDY-33 Overview Chapter 2 NI SPEEDY-33 Functional Description and Interface Page NI SPEEDY-33 Overview Theory of Operation Safety Information Page Installation Software, Drivers, and Examples Page NI SPEEDY-33 Functional Description and Interface Figure 2-1. NISPEEDY-33 Top View DSP Chapter 2 NISPEEDY-33 Functional Description and Interface National Instruments Corporation 2-3 NI SPEEDY-33 User Manual Figure 2-2 shows the architectural details of the VC33 DSP. MUX Figure 2-2. VC33 DSP Functional Block Diagram Cache (64 x 32) Block0 (1 k x 32) Memory Map Figure 2-3. NISPEEDY-33 Memory Map Memory On-Chip Memory Flash Memory Ports PC USB Port Power Port Audio Stereo Input Port Audio Stereo Output Port Onboard Microphones Digital Output Port LEDs Switch Input Port Stereo A/D, D/A (Analog Input, Analog Output) I/O Connectors Simple Expansion Digital I/O Connector Standard Expansion Analog I/O Connectors Connecting Accessories to the NI SPEEDY-33 Jumpers Audio Input Level Jumpers Flash Boot Jumper Flash Write Enable Jumper NI SPEEDY-33 Enclosure Reset Button A Specifications Analog I/O Digital I/O Memory DSP Bus Interface Power Requirements Physical Environmental Safety Electromagnetic Compatibility CE Compliance Environmental Management Waste Electrical and Electronic Equipment (WEEE) RoHS B Technical Support and Professional Services Page Glossary Numbers/Symbols A B C D E F H I J K L M N O P R S U Page Index A B C D H I J K L O P R S T