Maxim Integrated Secure Microcontroller - Manual (Page 23)

Secure Microcontroller User’s Guide
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Figure 4-3. DS5000 Series Memory Map
4.3 DS5000 Memory Map Control
The partition and range can be selected using the bootstrap loader discussed in a later section. In addition,
the partition can be selected or modified by the application software and
CE2 is normally software
controlled. However, in either case, the MCON SFR is used to choose these settings. The MCON register
is described fully in the SFR description section.
32kB
8kB
RANGE
ADDR.
FFFFh
7FFFh
1FFFh
0000
PARTITION
ADDR.
ECE2=0 ECE2=1
BYTEWIDE
BUS ACCESS
BYTEWIDE
BUS ACCESS
PROGRAM
MEMORY
DATA
MEMORY
DEVICE #1 SELECTED
WITH CE1
BYTEWIDE
BUS ACCESS
DATA
MEMORY
DEVICE #2 SELECTED
WITH CE2
64kB
= NO MEMORY ACCESS
= BYTEWIDE ACCESS WITH CE2
(NV RAM)
= BYTEWIDE ACCESS WITH CE1
(NV RAM)
= EXPANDED BUS ACCESS ON PORTS 0 AND 2