DRX-2
DRX-2
26
SDRAM
Nucleus Name
DS_SDRAM_WriteRead
Nucleus Number
400
Description
Check all data lines, address lines and memory locations of the SDRAM
Technical
-
Test the databus
-
Test the addressbus
-
Test the integrity of the device itself (memory locations)
Execution Time
11 seconds
User Input
None
Error
Number
Description
40000
The write-read test succeeded
40001
The data bus contains an error
40002
The address bus contains an error
40003
The SDRAM itself contains an error
Example
DS:> 400
040000:
Test OK @
Nucleus Name
DS_SDRAM_WriteReadFast
Nucleus Number
401
Description
Check all data lines and address lines of the SDRAM
Technical
-
Test the databus
-
Test the addressbus
Execution Time
Less than 1 second
User Input
None
Error
Number
Description
40100
The write-read test succeeded
40101
The data bus contains an error
40102
The address bus contains an error
Example
DS:> 401
040100:
Test OK @
Nucleus Name
DS_SDRAM_Write
Nucleus Number
402
Description
Write to a specific memory address
Technical
-
Decode the user input and check its ranges and alignment on 4 bytes
-
Writethe data to theSDRAM
Execution Time
Less than 1 second
User Input
1. The location that must be modified
( SDRAM starts at address 0xA0000000 )
2. The value to put on the selected location
Error
Number
Description
40200
Writing to the SDRAM succeeded
40201
Writing to the SDRAM failed; Wrong user input
40202
Address is not dividable by 4
Example
DS:> 402 0xa1000010 0xad112222
040200:
Test OK @
Summary of Contents for DRX-2
Page 105: ...DRX 2 DRX 2 105 3 6 Video routing Video IO Europe ...
Page 109: ...DRX 2 DRX 2 109 4 4 Video routing Video IO NAFTA ...
Page 119: ...DRX 2 DRX 2 119 IC DATA Display Board IC7103 TMP87CH74F ...
Page 120: ...DRX 2 DRX 2 120 IC7103 TMP87CH74F ...
Page 121: ...DRX 2 DRX 2 121 IC7103 TMP87CH74F ...
Page 132: ...DRX 2 132 PRINTED CIRCUIT BOARD FRONT DISPLAY P C B Part 1 Bottom View ...
Page 133: ...DRX 2 133 PRINTED CIRCUIT BOARD FRONT DISPLAY P C B Part 2 Bottom View ...
Page 135: ...DRX 2 135 Part 1 Part 2 PRINTED CIRCUIT BOARD U A models ANALOG P C B Bottom View ...
Page 136: ...DRX 2 136 PRINTED CIRCUIT BOARD U A models ANALOG P C B Part 1 Bottom View ...
Page 137: ...DRX 2 137 PRINTED CIRCUIT BOARD ANALOG P C B Part 2 Bottom View U A models ...
Page 139: ...DRX 2 139 Part 1 Part 2 PRINTED CIRCUIT BOARD G model ANALOG P C B Bottom View ...
Page 140: ...DRX 2 140 PRINTED CIRCUIT BOARD G model ANALOG P C B Part 1 Bottom View ...
Page 141: ...DRX 2 141 PRINTED CIRCUIT BOARD ANALOG P C B Part 2 Bottom View G model ...
Page 190: ...DRX 2 ...