• State Not Answered
  • Locked Locked
  • Replies 3 replies
  • Subscribers 21 subscribers
  • Views 1261 views
  • Users 0 members are here
2025 survey

We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.

Options
Related
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Bus configuration via uv4

Tamir Michael

Hello,

I have a NOR flash installed on a PCB, using the following pins (LPC2478):

P4.1 - P4.22 for address bus
P3.0 - P3.15 for data bus
P4.25 write enable
P4.24 output enable
P4.30 CS0

I have mapped a C module to 0x80000000, and instructed uv4 to configure the bus using this .ini file:

_WDWORD(0xE002C024, 0x10051555) ;
_WDWORD(0xE002C018, 0x55555555) ;
_WDWORD(0xE002C020, 0x55555554) ;

I have also setup the flash download set dialog with my NOR flash (it's a SST39).
However, uv4 does not even try to program the NOR flash. Obviously I forgetting something. Can you help me?

Parents
  • 0

    I have augmented my bus configuration to include some EMC stuff, like this:

    _WDWORD(0xE002C024, 0x10051555) ;
_WDWORD(0xE002C018, 0x55555555) ;
_WDWORD(0xE002C020, 0x55555554) ;
_WDWORD(0xFFE08200, 0x81) ;
_WDWORD(0xFFE08204, 0x2) ;
_WDWORD(0xFFE08208, 0x2) ;
_WDWORD(0xFFE0820C, 0x1F) ;
_WDWORD(0xFFE08210, 0x1F) ;
_WDWORD(0xFFE08214, 0x81) ;
_WDWORD(0xFFE08218, 0x81) ;

    to no avail...!

Reply
  • 0

    I have augmented my bus configuration to include some EMC stuff, like this:

    _WDWORD(0xE002C024, 0x10051555) ;
_WDWORD(0xE002C018, 0x55555555) ;
_WDWORD(0xE002C020, 0x55555554) ;
_WDWORD(0xFFE08200, 0x81) ;
_WDWORD(0xFFE08204, 0x2) ;
_WDWORD(0xFFE08208, 0x2) ;
_WDWORD(0xFFE0820C, 0x1F) ;
_WDWORD(0xFFE08210, 0x1F) ;
_WDWORD(0xFFE08214, 0x81) ;
_WDWORD(0xFFE08218, 0x81) ;

    to no avail...!

Children