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Sundance SMT339 v.1.3 User Manual

Page 8

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Version 1.2

Page 8 of 27

SMT339 User Manual V1.3

2.2 Memory

Map


The various addresses and lengths of the peripherals shown in Figure 1 are shown in
Table 2.

2.2.1 DSP Memory Map



Address

(bytes)

Length

(Bytes)

Abbreviation

Description

0x0000 0000

INTRAM

DSP Internal Memory

0x8000 0000

64MBytes

EXTRAM

External SDRAM 100MHz bus speed

0x9000 0000

8MBytes

FLASH

External FLASH Memory

0xA000 0000

---

VIRTEXMAP

Virtex 4 Memory Area

Table 2 : DSP Memory Map

2.2.2 Virtex 4 Memory Map


Address

(bytes)

Length

(Bytes)

Abbreviation

Description

0xA001 8000

4 Bytes

COM2_DATA

Communication Port 2 Data Register

0xA001 C000

4 Bytes

COM2_STAT

Communication Port 2 Status Register

0xA001 C000

4 Bytes

COM3_DATA

Communication Port 3 Data Register

0xA001 C000

4 Bytes

COM3_STAT

Communication Port 3 Status Register

0xA00D 0000

4 Bytes

LED_REG LED

Register

0xA00D 8000

4 Bytes

VID_ENC_REG

Video Encoder Register

0xA00E 0000

4 Bytes

VID_DEC_REG

Video Decoder Register

0xA00E 4000

4 Bytes

SLB_CTRL_REG

SLB Interface Control Register:

Not Implemented in standard code.

Table 3 : Virtex 4 Internal Peripherals