On 20.04.2009 03:52, Corey Osgood wrote: > On Sun, Apr 19, 2009 at 8:41 PM, <[email protected]> wrote: > > >> Hello >> >> Anyone can tell me how to make the difference between the 1605A and the >> 1605D ? >> From the datasheet, the "D" accept some more opcodes. Great, but, how to >> differenciate both ? >> I check the datasheets, but... see no differences in RDID or REMS. >> > > > What happens if you send an unsupported opcode? Can you use that to > differentiate? >
We'd have to check with Macronix developer services. The default reaction to unknown opcodes on many chips is to ignore them, though. SPI does not provide any way for the chip to return error codes. Regards, Carl-Daniel -- http://www.hailfinger.org/ -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
