Sundance SMT339 v.1.3 User Manual
Page 8

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