CONTROL_MODULE Registers
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9.3.50 efuse_sma Register (offset = 7FCh) [reset = 0h]
This register describes the device's ARM maximum frequency capabilities and package type. Note that
this register is only applicable in PG2.x. The contents of this register is not applicable in PG1.0 devices.
efuse_sma is shown in Figure 9-53 and described in Table 9-60.
Figure 9-53. efuse_sma Register
31 30 29 28 27 26 25 24
Reserved
R
23 22 21 20 19 18 17 16
Reserved package_type
R R-package-dependent
15 14 13 12 11 10 9 8
Reserved arm_mpu_max_freq
R R-device-dependent
7 6 5 4 3 2 1 0
arm_mpu_max_freq
R-device-dependent
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 9-60. efuse_sma Register Field Descriptions
Bit Field Type Reset Description
31-18 Reserved R These bits are undefined and contents can vary from device to
device.
17-16 package_type R Package-
Designates the Package type of the device (PG2.x only).
dependent
00b - Undefined
01b - ZCZ Package
10b - ZCE Package
11b - Reserved
15-13 Reserved R These bits are undefined and contents can vary from device to
device.
12-0 arm_mpu_max_freq R Device-
Designates the ARM MPU Maximum Frequency supported by the
dependent
device (PG2.x only).
There are also voltage requirements that accompany each frequency
(OPPs).
See the device specific data manual for this information and for
information on device variants.
0x1FEF - 300 MHz ARM MPU Maximum (ZCZ Package only)
0x1FAF - 600 MHz ARM MPU Maximum (ZCZ Package only)
0x1F2F - 720 MHz ARM MPU Maximum (ZCZ Package only)
0x1E2F - 800 MHz ARM MPU Maximum (ZCZ Package only)
0x1C2F - 1 GHz ARM MPU Maximum (ZCZ Package only)
0x1FDF - 300 MHz ARM MPU Maximum (ZCE Package only)
0x1F9F - 600 MHz ARM MPU Maximum (ZCE Package only)
All other values are reserved.
814
Control Module SPRUH73H–October 2011–Revised April 2013
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