| ??? 06/10/09 12:18 Read: times |
#165987 - bible time Responding to: ???'s previous message |
Flip is not the problem, cause when i replace the PA=0x55 part with P0=0x55 flip flashes the µc without any problem...
PA=0x55 (re)set p0 pins for a brief moment (maybe 1us) P0=0x55 (re)set p0 pins forever erik here are the links to "the bible" Chapter 1 - 80C51 Family Architecture: http://www.nxp.com/acrobat_d...ARCH_1.pdf Chapter 2 - 80C51 Family Programmer's Guide and Instruction Set: http://www.nxp.com/acrobat_d...UIDE_1.pdf Chapter 3 - 80C51 Family Hardware Description: http://www.nxp.com/acrobat_d...WARE_1.pdf |
| Topic | Author | Date |
| AT89c51cc01 and External memory (keil/C51) | 01/01/70 00:00 | |
| Cross posted | 01/01/70 00:00 | |
| Is your problem with FLIP ? | 01/01/70 00:00 | |
| No, think it's keil compiler | 01/01/70 00:00 | |
| Sounds like an error in the data sheet | 01/01/70 00:00 | |
| bible time | 01/01/70 00:00 | |
| Itterations | 01/01/70 00:00 | |
| just won't get flashed into the µc?? | 01/01/70 00:00 | |
| The compile will compile what you tell it | 01/01/70 00:00 | |
| RE: your example does not access any xdata at all | 01/01/70 00:00 | |
| RE: Rob Stoffels said:I think there is something that needs | 01/01/70 00:00 | |
| Going to try something different | 01/01/70 00:00 | |
| Broken Boards? | 01/01/70 00:00 | |
| Memmory mapping question/ Bord fixed | 01/01/70 00:00 | |
| If I read this correctly | 01/01/70 00:00 | |
| Missunderstanding | 01/01/70 00:00 | |
| xdata will just be whatever EXTRAM says | 01/01/70 00:00 | |
do you have any external RAM? | 01/01/70 00:00 | |
| CC03 is working | 01/01/70 00:00 |