McSPI Registers
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24.4.1.1 McSPI Revision Register (MCSPI_REVISION)
The McSPI system configuration register (MCSPI_REVISION) allows control of various parameters of the
module interface. It is not sensitive to software reset. The MCSPI_REVISION register is shown in
Figure 24-26 and described in Table 24-11.
Figure 24-26. McSPI Revision Register (MCSPI_REVISION)
31 30 29 28 27 16
SCHEME Reserved FUNC
R-1 R-0 R-030h
15 11 10 8
R_RTL X_MAJOR
R-0 R-0
7 6 5 4 3 2 1 0
CUSTOM Y_MINOR
R/W-0 R/W-2h
LEGEND: R/W = Read/Write; -n = value after reset
Table 24-11. McSPI Revision Register (MCSPI_REVISION) Field Descriptions
Bit Field Value Description
31-30 SCHEME Used to distinguish between old scheme and current.
0 Legacy ASP or WTBU scheme
1 Revision 0.8 scheme
29-28 Reserved 0 Read returns 0.
27-16 FUNC 030h Function indicates a software compatible module family.
If there is no level of software compatibility a new Func number (and hence REVISION)
should be assigned.
15-11 R_RTL
10-8 X_MAJOR
7-6 CUSTOM
5-0 Y_MINOR
4034
Multichannel Serial Port Interface (McSPI) SPRUH73H–October 2011–Revised April 2013
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