| ??? 02/16/12 05:13 Modified: 02/16/12 05:40 Read: times |
#186007 - STK500 RS232 link commands Responding to: ???'s previous message |
Rick Gebhardt said:
I cannot find one programmer anywhere on the internet that even mentions the 89LP52.
Does anybody out there know how I can program the 89LP52? Hasn't anyone else ever run into this problem? R If you have some time, and a terminal, you could make your own ? ;) I see Atmel DO publish the STK500 RS232 link commands AVR068: STK500 Communication Protocol http://www.atmel.com/Images/doc2591.pdf - and that does include AT89xx details, and it seems the AT89S is very close, { Atmel thinks byte mode should work... } Programming The AT89LP51/52 supports a richer command set for In-System Programming (ISP). Existing AT89S51/52 programmers should be able to program the AT89LP51/52 in byte mode. In page mode the AT89LP51/52 only supports programming of a half-page of 64 bytes and therefore requires an extra address byte as compared to AT89S51/52. Furthermore the device signature is located at addresses 0000H, 0001H and 0003H instead of 0000H, 0100H and 0200H. and google also found this, http://lists.gnu.org/archive/h...00066.html Sounds to me like ByteMode is a reasonable 'baby step' ? OR I see Atmel publish lp4052_bridgeISP.hex, in here http://www.atmel.com/Images/IS..._board.zip so if you can PGM AT89LP4052, that can work immediately; Failing that, if you can pgm any device with a SPI port, you could use LP Studio to DisAsm the HEX, tweak and Re-Asm for you new part. |
