Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 806

Programming Model
ROM Booting
There are two access types (modes) available for ROM booting: secured
and non secured modes which are described below.
Secured ROM (hardware security switch = 1. In this mode:
•
BOOTCFG2-0
• Emulation is enabled only when the user enters a valid key.
• IIVT is placed into the internal ROM. It can be changed to the
internal RAM by setting IIVT bit of
• Code always executes from internal ROM.
Non Secured ROM (hardware security switch = 0. In this mode:
•
BOOTCFG2-0
• Emulation is always enabled.
• IIVT is placed into the internal RAM except for the case where
BOOTCFG2-0
Programming Model
This section describes the operation of the boot process. This process is
accomplished using the default loader kernel (Visual DSP Tools) to gener-
ate the boot stream. For more details, refer to the loader source files.
23-24
www.BDTIC.com/ADI
pins are ignored.
pins select the booting modes.
= 011.
ADSP-214xx SHARC Processor Hardware Reference
register.
SYSCTL