The branch, eeprom-new has been updated
via a45ea32b4ffd3f5aa04aabaac810e89a35916a3f (commit)
from 043eafc0ecaaea0192ca2721652598bcbe1ae9a6 (commit)
- Log -----------------------------------------------------------------
commit a45ea32b4ffd3f5aa04aabaac810e89a35916a3f
Author: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
Date: Fri Sep 24 16:22:48 2010 +0200
Document the magic 0x02 0x03 0x01 value after the serial string
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Summary of changes:
doc/EEPROM-structure | 15 ++++++++++++---
1 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/doc/EEPROM-structure b/doc/EEPROM-structure
index 09c3e45..97fd6d0 100644
--- a/doc/EEPROM-structure
+++ b/doc/EEPROM-structure
@@ -92,6 +92,15 @@ CHIP values:
1a UA (all)
-Mprog doesn's seem to write this:
-After last string
-0x02 0x03 0x01 with PnP == 0
+
+Additional fields after the serial string:
+One byte: 0 - reserved for "legacy port name prefix"
+One byte: 0 - reserved for "legacy port name prefix"
+One byte: 0 - reserved for plug and play options
+(Observed values with PnP == 0:
+0x02 0x03 0x01)
+
+Note: The additional fields after the serial number string
+collide with the official FTDI formula from AN_121 regarding
+the start of the user area:
+"Start Address = the address following the last byte of SerialNumber string."
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