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GPIO Registers
25.4.1.1 GPIO_REVISION Register (offset = 0h) [reset = 50600801h]
GPIO_REVISION is shown in Figure 25-7 and described in Table 25-6.
The GPIO revision register is a read only register containing the revision number of the GPIO module. A
write to this register has no effect, the same as the reset.
Figure 25-7. GPIO_REVISION Register
31 30 29 28 27 26 25 24
SCHEME Reserved FUNC
R-1h R-1h R-60h
23 22 21 20 19 18 17 16
FUNC
R-60h
15 14 13 12 11 10 9 8
RTL MAJOR
R-1h R-0h
7 6 5 4 3 2 1 0
CUSTOM MINOR
R-0h R-1h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 25-6. GPIO_REVISION Register Field Descriptions
Bit Field Type Reset Description
31-30 SCHEME R 1h
Used to distinguish between old Scheme and current.
29-28 Reserved R 1h
27-16 FUNC R 60h
Indicates a software compatible module family.
15-11 RTL R 1h
RTL version
10-8 MAJOR R 0h
Major Revision
7-6 CUSTOM R 0h
Indicates a special version for a particular device.
5-0 MINOR R 1h
Minor Revision
4069
SPRUH73H–October 2011–Revised April 2013 General-Purpose Input/Output
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