Philips DVDR3590H Service Manual page 28

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EN 28 5. 3139 785 32804
FLASH (FLASH)
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
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Firmware Upgrading & Diagnostic Software
DS_FLASH_DevTypeGet
500
Get the device (revision) type information of the FLASH ICs. (type,
manufacturer, device ID and size)
- Set the timing for the flash writing
- Write a command sequence to determine device type information
- Return the information to the user
Less than 1 second
None
Number Description
50000 Getting the information from the FLASH succeeded
50001 Getting the information from the FLASH failed
DS:> 500
050000: Found FLASH memory:
NOR AMD 29DL640G 8MB,NOR AMD 29DL640G 8MB
Test OK @
DS_FLASH_Read
502
Read from a specific memory address in FLASH
- Decode the user input and check the ranges and whether the address is
aligned on 4 bytes
- Read the data and return this to the user
Less than 1 second.
The location from which data must be read
(FLASH starts at address 0xB8000000)
Number Description
50200 Reading the FLASH succeeded
50201 Reading the FLASH failed; Wrong user input
50202 Address is not dividable by 4
DS:> 502 0xb8000000
050200: Value read = 0x3C08A000
Test OK @
DS_FLASH_ChecksumProgram
503
Check the checksum of the application partitions by recalculating and
comparing partition checksums
- Determine the number of segments
- Find the application in each segment and determine its checksum
- Check whether the checksums stored match the newly calculated
6 seconds
None
Number Description
50300 The checksum is valid, the test succeeded
50301 The checksum is invalid
DS:> 503
050300:
BootCode checksum is: 0xBABE5B6F, which is correct
Diagnostics checksum is: 0xBABEBAFF, which is correct
Download checksum is: 0xBABEEDBF, which is correct
Application checksum is: 0xBABE8EEC, which is correct
Test OK @