Register 13: Alternate Clock Configuration (ALTCLKCFG), offset 0x138
The ALTCLKCFG register specifies the alternate clock source used by many of the peripherals.
Alternate Clock Configuration (ALTCLKCFG)
Base 0x400F.E000
Offset 0x138
Type RW, reset 0x0000.0000
16171819202122232425262728293031
reserved
ROROROROROROROROROROROROROROROROType
0000000000000000Reset
0123456789101112131415
ALTCLKreserved
RWRWRWRWROROROROROROROROROROROROType
0000000000000000Reset
DescriptionResetTypeNameBit/Field
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved31:4
Alternate Clock Source
This provides a clock source of numerous frequencies to the
general-purpose timer, SSI, and UART modules. Note that if the
Hibernation Real-time Clock Output is selected, the clock source must
also be enabled in the Hibernation module.
DescriptionValue
PIOSC0x0
reserved0x1-0x2
Hibernation Module Real-time clock output (RTCOSC)0x3
Low-frequency internal oscillator (LFIOSC)0x4
reserved0x5-0x15
0x0RWALTCLK3:0
June 18, 2014280
Texas Instruments-Production Data
System Control
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