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Power, Reset, and Clock Management
8.1.13.5.7 PRM_LDO_SRAM_MPU_SETUP Register (offset = 18h) [reset = 0h]
PRM_LDO_SRAM_MPU_SETUP is shown in Figure 8-185 and described in Table 8-204.
Setup of the SRAM LDO for MPU voltage domain. [warm reset insensitive]
Figure 8-185. PRM_LDO_SRAM_MPU_SETUP Register
31 30 29 28 27 26 25 24
Reserved
R-0h
23 22 21 20 19 18 17 16
Reserved
R-0h
15 14 13 12 11 10 9 8
Reserved AIPOFF
R-0h R/W-0h
7 6 5 4 3 2 1 0
ENFUNC5 ENFUNC4 ENFUNC3_EXPORT ENFUNC2_EXPORT ENFUNC1_EXPORT ABBOFF_SLEEP_EX ABBOFF_ACT_EXPO DISABLE_RTA_EXP
PORT RT ORT
R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 8-204. PRM_LDO_SRAM_MPU_SETUP Register Field Descriptions
Bit Field Type Reset Description
31-9 Reserved R 0h
8 AIPOFF R/W 0h
Override on AIPOFF input of SRAM LDO.
0x0 = No_Override : AIPOFF signal is not overriden
0x1 = Override : AIPOFF signal is overriden to '1'. Corresponding
SRAM LDO is disabled and in HZ mode.
7 ENFUNC5 R/W 0h
ENFUNC5 input of SRAM LDO.
0x0 = One_step : Active to retention is a one step transfer
0x1 = Two_step : Active to retention is a two steps transfer
6 ENFUNC4 R/W 0h
ENFUNC4 input of SRAM LDO.
0x0 = Ext_clock : One external clock is supplied
0x1 = No_ext_clock : No external clock is supplied
5 ENFUNC3_EXPORT R/W 0h ENFUNC3 input of SRAM LDO.
After PowerOn reset and Efuse sensing, this bitfield is automatically
loaded with an Efuse value from control module.
Bitfield remains writable after this.
0x0 = Sub_regul_disabled : Sub regulation is disabled
0x1 = Sub_regul_enabled : Sub regulation is enabled
4 ENFUNC2_EXPORT R/W 0h ENFUNC2 input of SRAM LDO.
After PowerOn reset and Efuse sensing, this bitfield is automatically
loaded with an Efuse value from control module.
Bitfield remains writable after this.
0x0 = Ext_cap : External cap is used
0x1 = No_ext_cap : External cap is not used
3 ENFUNC1_EXPORT R/W 0h ENFUNC1 input of SRAM LDO.
After PowerOn reset and Efuse sensing, this bitfield is automatically
loaded with an Efuse value from control module.
Bitfield remains writable after this.
0x0 = Short_prot_disabled : Short circuit protection is disabled
0x1 = Short_prot_enabled : Short circuit protection is enabled
733
SPRUH73H–October 2011–Revised April 2013 Power, Reset, and Clock Management (PRCM)
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