Posted on October 16, 2008 at 17:43I figured out that I had a bad CMOS/TTL to RS-232 transceiver on the RXD0 line. Once I replaced that, I was able to get good I/O to the board however I can't dump the flash in ST10Flasher due to an error ''LoadExte...
Posted on October 15, 2008 at 03:59I found out that a second MCU which controls power to the board was holding RSTIN low, now the unit gets into BSL however when I sent 0x00 to the unit to start the BSL baud calculation, I rarely get back 0xD5, usua...
Posted on October 12, 2008 at 18:09EA pin does not matter if high or low, same results either way. I'm baffled because it just goes directly to watchdog and does not load BSL no matter how pins P0L.0, P0L.1, nor /EA are set. Again the chip boots fin...
Posted on October 11, 2008 at 22:02I have also removed pull-downs from P0L.0 and P0L.1 (Emu and Adapt mode). I am going to check EA and single chip mode next.
