PDMCLKCTRL

nRF5340 Product Specification

Address offset: 0x504

PDM clock generator control

Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
Reset 0x08400000 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

RW

FREQ

PDM_CLK frequency configuration.

Enumerations are deprecated, use PDMCLKCTRL equation to find the register value. The 12 least significant bits of the register are ignored and shall be set to zero.

1000K

0x08000000

PDM_CLK = 32 MHz / 32 = 1.000 MHz

Default

0x08400000

PDM_CLK = 32 MHz / 31 = 1.032 MHz. Nominal clock for RATIO=Ratio64.

1067K

0x08800000

PDM_CLK = 32 MHz / 30 = 1.067 MHz

1231K

0x09800000

PDM_CLK = 32 MHz / 26 = 1.231 MHz

1280K

0x0A000000

PDM_CLK = 32 MHz / 25 = 1.280 MHz. Nominal clock for RATIO=Ratio80.

1333K

0x0A800000

PDM_CLK = 32 MHz / 24 = 1.333 MHz