GPIO_JTAG_SW_PAD_CFG

Bit Field

Read/Write

Field Name

Description

9

RW

SWCLK_LPF

SWCLK Low-Pass-Filter enable / disable

8

RW

SWDIO_LPF

SWDIO Low-Pass-Filter enable / disable

7

RW

CM33_JTAG_DATA_EN

CM33 JTAG data (TDI and TDO) on GPIO[3:2]

6

RW

CM33_JTAG_TRST_EN

CM33 JTAG TRST on GPIO4

5:4

RW

SWCLK_PULL

SWCLK pull-up enable / disable

3:2

RW

SWDIO_DRIVE

SWDIO drive strength

1:0

RW

SWDIO_PULL

SWDIO pull-up enable / disable

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

9

SWCLK_LPF

SWCLK_LPF_DISABLED

Disable low pass filter

0x0*

SWCLK_LPF_ENABLED

Enable low pass filter

0x1

8

SWDIO_LPF

SWDIO_LPF_DISABLED

Disable low pass filter

0x0*

SWDIO_LPF_ENABLED

Enable low pass filter

0x1

7

CM33_JTAG_DATA_EN

CM33_JTAG_DATA_DISABLED

CM33 JTAG data (TDI and TDO) not available on GPIO[3:2]

0x0

CM33_JTAG_DATA_ENABLED

CM33 JTAG data (TDI and TDO) connected through GPIO[3:2]

0x1*

6

CM33_JTAG_TRST_EN

CM33_JTAG_TRST_DISABLED

CM33 JTAG TRST not available on GPIO4

0x0

CM33_JTAG_TRST_ENABLED

CM33 JTAG TRST connected through GPIO4

0x1*

5:4

SWCLK_PULL

SWCLK_NO_PULL

No pull selected

0x0

SWCLK_WEAK_PULL_UP

Weak pull-up selected

0x1*

SWCLK_WEAK_PULL_DOWN

Weak pull-down selected

0x2

SWCLK_STRONG_PULL_UP

Strong pull-up selected

0x3

3:2

SWDIO_DRIVE

SWDIO_2X_DRIVE

2x drive strength

0x0

SWDIO_3X_DRIVE

3x drive strength

0x1

SWDIO_5X_DRIVE

5x drive strength

0x2

SWDIO_6X_DRIVE

6x drive strength

0x3*

1:0

SWDIO_PULL

SWDIO_NO_PULL

No pull selected

0x0

SWDIO_WEAK_PULL_UP

Weak pull-up selected

0x1*

SWDIO_WEAK_PULL_DOWN

Weak pull-down selected

0x2

SWDIO_STRONG_PULL_UP

Strong pull-up selected

0x3