Cirrus Logic EP93xx - Manual (Page 27)

DS785UM1 P-5
Copyright 2007 Cirrus Logic
Preface
EP93xx User’s Guide
P
P
P
REV: Revision, reads chip Version number: 0 - Rev A, 1 - Rev B,
2 - Rev C, 3 - Rev D.
SBOOT: Serial Boot Flag. This bit is read-only.
1 hardware detected Serial Boot selection
0 hardware detected Normal Boot
LCSn7, LCSn6: Latched version of CSn7 and CSn6 respectively. These
are used to define the external bus width for the boot code
boot.
LASDO: Latched version of ASDO pin. Used to select synchronous
versus asynchronous boot device.
LEEDA: Latched version of EEDAT pin.
LEECLK: Define Internal or external boot:
1 Internal
0 External
LCSn1, LCSn2: Define Watchdog startup action:
0 0 Watchdog disabled, Reset duration disabled
0 1 Watchdog disabled, Reset duration active
1 0 Watchdog active, Reset duration disabled
1 1 Watchdog active, Reset duration active