Motorola MVME1X7P User Manual
Memory Maps
http://www.motorola.com/computer/literature
1-41
1
Note
Accesses may be 8-bit or 32-bit, but not 16-bit.
BBRAM/TOD Clock Memory Map
The M48T58 BBRAM (also called Non-Volatile RAM or NVRAM) is divided into
six areas as shown in
six areas as shown in
. The first five areas are defined by software, while
the sixth area, the time-of-day (TOD) clock, is defined by the chip hardware. The
first area is reserved for user data. The second area is used by Motorola networking
software. The third area may be used by an operating system. The fourth area is
first area is reserved for user data. The second area is used by Motorola networking
software. The third area may be used by an operating system. The fourth area is
Table 1-11. 53C710 SCSI Memory Map
Base Address is $FFF47000
Big Endian
Mode
53C710 Register Address Map
SCRIPTs Mode and
Little Endian Mode
00
SIEN
SDID
SCNTL1
SCNTL0
00
04
SOCL
SODL
SXFER
SCID
04
08
SBCL
SBDL
SIDL
SFBR
08
0C
SSTAT2
SSTAT1
SSTAT0
DSTAT
0C
10
DSA
10
14
CTEST3
CTEST2
CTEST1
CTEST0
14
18
CTEST7
CTEST6
CTEST5
CTEST4
18
1C
TEMP
1C
20
LCRC
CTEST8
ISTAT
DFIFO
20
24
DCMD
DBC
24
28
DNAD
28
2C
DSP
2C
30
DSPS
30
34
SCRATCH
34
38
DCNTL
DWT
DIEN
DMODE
38
3C
ADDER
3C