CLKCTL

Instance: CLKCTL
Component: CLKCTL
Base address: 0x40020000


This component is the clock controller. Here SW can turn on and off IP clocks and read IP and system clock status.

TOP:CLKCTL Register Summary

Register Name

Type

Register Width (Bits)

Register Reset

Address Offset

Physical Address

DESC

RO

32

0x2548 0000

0x0000 0000

0x4002 0000

DESCEX0

RO

32

0x7803 4447

0x0000 0004

0x4002 0004

DESCEX1

RO

32

0xF000 FF00

0x0000 0008

0x4002 0008

CLKCFG0

RO

32

0x0000 0001

0x0000 000C

0x4002 000C

CLKCFG1

RO

32

0x0000 0000

0x0000 0010

0x4002 0010

CLKENSET0

WO

32

0x0000 0000

0x0000 0014

0x4002 0014

CLKENSET1

WO

32

0x0000 0000

0x0000 0018

0x4002 0018

CLKENCLR0

WO

32

0x0000 0000

0x0000 0020

0x4002 0020

CLKENCLR1

WO

32

0x0000 0000

0x0000 0024

0x4002 0024

STBYPTR

RW

32

0x0000 0000

0x0000 003C

0x4002 003C

IDLECFG

RW

32

0x0000 0000

0x0000 0048

0x4002 0048

TOP:CLKCTL Register Descriptions

TOP:CLKCTL:DESC

Address Offset 0x0000 0000
Physical Address 0x4002 0000 Instance 0x4002 0000
Description Description Register.
This register provides IP module ID, revision information, instance index and standard MMR registers offset.
Type RO
Bits Field Name Description Type Reset
31:16 MODID Module identifier used to uniquely identify this IP. RO 0x2548
15:12 STDIPOFF Standard IP MMR block offset. Standard IP MMRs are the set of from aggregated IRQ registers till DTB.

0: Standard IP MMRs do not exist
0x1-0xF: Standard IP MMRs begin at offset of (64*STDIPOFF from the base IP address)		 RO 0x0
11:8 INSTIDX IP Instance ID number. If multiple instances of IP exist in the device, this field can identify the instance number (0-15). RO 0x0
7:4 MAJREV Major revision of IP 0-15 RO 0x0
3:0 MINREV Minor revision of IP 0-15. RO 0x0

TOP:CLKCTL:DESCEX0

Address Offset 0x0000 0004
Physical Address 0x4002 0004 Instance 0x4002 0004
Description Extended Description Register 0.
This register shows SVT IP availability, HW features and memory size configuration.
Type RO
Bits Field Name Description Type Reset
31 RESERVED31 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
30 LGPT3 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
29 LGPT2 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
28 LGPT1 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
27 LGPT0 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
26:18 RESERVED18 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b0 0000 0000
17 DMA IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
16 LAES IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
15 RESERVED15 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
14 ADC0 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
13:11 RESERVED11 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
10 SPI0 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
9:7 RESERVED7 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
6 I2C0 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
5:3 RESERVED3 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
2 UART0 IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
1 LRFD IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1
0 GPIO IP status on device
Value ENUM Name Description
0x0 IP_UNAVAIL IP is unavailable
0x1 IP_AVAIL IP is available
RO 1

TOP:CLKCTL:DESCEX1

Address Offset 0x0000 0008
Physical Address 0x4002 0008 Instance 0x4002 0008
Description Extended Description Register 1.
This register shows SVT IP availability, HW features and memory size configuration.
Type RO
Bits Field Name Description Type Reset
31:30 FLASHSZ System flash availability
Value ENUM Name Description
0x0 SZ0 Flash size set to level 0 (Min size)
0x1 SZ1 Flash size set to level 1
0x2 SZ2 Flash size set to level 2
0x3 SZ3 Flash size set to level 3 (Max size)
RO 0b11
29:28 SRAMSZ System SRAM availability
Value ENUM Name Description
0x0 SZ0 SRAM size set to level 0 (Min size)
0x1 SZ1 SRAM size set to level 1
0x2 SZ2 SRAM size set to level 2
0x3 SZ3 SRAM size set to level 3 (Max size)
RO 0b11
27:16 RESERVED16 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0x000
15:8 ROPT System radio feature availability
Value ENUM Name Description
0xFF MAX All features available
RO 0xFF
7:0 RESERVED0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0x00

TOP:CLKCTL:CLKCFG0

Address Offset 0x0000 000C
Physical Address 0x4002 000C Instance 0x4002 000C
Description Clock Configuration Register 0.
This register shows the IP clock configuration for the system.
The configuration is updated through CLKENSET0 and CLKENCLR0.
Type RO
Bits Field Name Description Type Reset
31 RESERVED31 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
30 LGPT3 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
29 LGPT2 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
28 LGPT1 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
27 LGPT0 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
26:18 RESERVED18 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b0 0000 0000
17 DMA IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
16 LAES IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
15 RESERVED15 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
14 ADC0 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
13:11 RESERVED11 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
10 SPI0 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
9:7 RESERVED7 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
6 I2C0 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
5:3 RESERVED3 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
2 UART0 IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
1 LRFD IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 0
0 GPIO IP clock configuration
Value ENUM Name Description
0x0 CLK_DIS Clock is disabled
0x1 CLK_EN Clock is enabled
RO 1

TOP:CLKCTL:CLKCFG1

Address Offset 0x0000 0010
Physical Address 0x4002 0010 Instance 0x4002 0010
Description Clock Configuration Register 1.
This register shows the IP clock configuration for the system.
The configuration is updated through CLKENSET1 and CLKENCLR1.
Type RO
Bits Field Name Description Type Reset
31:0 RESERVED0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0x0000 0000

TOP:CLKCTL:CLKENSET0

Address Offset 0x0000 0014
Physical Address 0x4002 0014 Instance 0x4002 0014
Description Clock Enable Set Register 0.
This register enables IP clocks in the system.
Used to set the corresponding fields in CLKCFG0 to 1.
Type WO
Bits Field Name Description Type Reset
31 RESERVED31 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
30 LGPT3 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
29 LGPT2 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
28 LGPT1 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
27 LGPT0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
26:18 RESERVED18 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b0 0000 0000
17 DMA Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
16 LAES Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
15 RESERVED15 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
14 ADC0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
13:11 RESERVED11 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
10 SPI0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
9:7 RESERVED7 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
6 I2C0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
5:3 RESERVED3 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
2 UART0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
1 LRFD Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0
0 GPIO Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_SET Set IP clock enable
WO 0

TOP:CLKCTL:CLKENSET1

Address Offset 0x0000 0018
Physical Address 0x4002 0018 Instance 0x4002 0018
Description Clock Enable Set Register 1.
This register enables IP clocks in the system.
Used to set the corresponding fields in CLKCFG1 to 1.
Type WO
Bits Field Name Description Type Reset
31:0 RESERVED0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0x0000 0000

TOP:CLKCTL:CLKENCLR0

Address Offset 0x0000 0020
Physical Address 0x4002 0020 Instance 0x4002 0020
Description Clock Enable Clear Register 0.
This register disables IP clocks in the system.
Used to clear the corresponding fields in CLKCFG0 to 0.
Type WO
Bits Field Name Description Type Reset
31 RESERVED31 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
30 LGPT3 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
29 LGPT2 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
28 LGPT1 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
27 LGPT0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
26:18 RESERVED18 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b0 0000 0000
17 DMA Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
16 LAES Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
15 RESERVED15 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0
14 ADC0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
13:11 RESERVED11 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
10 SPI0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
9:7 RESERVED7 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
6 I2C0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
5:3 RESERVED3 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0b000
2 UART0 Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
1 LRFD Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0
0 GPIO Configure IP clock enable
Value ENUM Name Description
0x0 CLK_UNCHGD IP clock enable is unchanged
0x1 CLK_CLR Clear IP clock enable
WO 0

TOP:CLKCTL:CLKENCLR1

Address Offset 0x0000 0024
Physical Address 0x4002 0024 Instance 0x4002 0024
Description Clock Enable Clear Register 1.
This register disables IP clocks in the system.
Used to clear the corresponding fields in CLKCFG1 to 0.
Type WO
Bits Field Name Description Type Reset
31:0 RESERVED0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RO 0x0000 0000

TOP:CLKCTL:STBYPTR

Address Offset 0x0000 003C
Physical Address 0x4002 003C Instance 0x4002 003C
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
31:0 VAL Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 MIN Internal. Only to be used through TI provided API.
RW 0x0000 0000

TOP:CLKCTL:IDLECFG

Address Offset 0x0000 0048
Physical Address 0x4002 0048 Instance 0x4002 0048
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
31:1 RESERVED1 Internal. Only to be used through TI provided API. RO 0b000 0000 0000 0000 0000 0000 0000 0000
0 MODE Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 LDO_ON Internal. Only to be used through TI provided API.
0x1 LDO_OFF Internal. Only to be used through TI provided API.
RW 0


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