[riot-notifications] [RIOT-OS/RIOT] drivers/mtd_spi_nor: derive capacity from JEDEC ID (#14084)

Koen Zandberg notifications at github.com
Wed May 20 11:58:08 CEST 2020

@bergzand commented on this pull request.

> +    if ((id->manuf == SPI_NOR_JEDEC_ADESTO) &&
+        (id->device[0] & 0xE0) == 0x80) {

> What do you mean by bank assigned to Adesto?

>From JEP106AV, the jedec ID's are 8 bit IDs. To extend the number of available IDs, multiple banks (addresses) are used. The ISSI ID (0x9D) is on bank 2, Lucent (AT&T) has the same ID, but then on bank 1.

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