NRF52820-QDAA-R datasheet(404/437 Pages) NORDIC

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Peripherals

6.26.13.42 USBPULLUP

Address offset: 0x504

Control of the USB pull-up

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

Reset 0x00000000

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Access

Field

Value ID

Value

Description

RW CONNECT

Control of the USB pull-up on the D+ line

Disabled

Pull-up is disconnected

Enabled

Pull-up is connected to D+

6.26.13.43 DPDMVALUE

Address offset: 0x508

State D+ and D- lines will be forced into by the DPDMDRIVE task. The DPDMNODRIVE task reverts the

control of the lines to MAC IP (no forcing).

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

A A A A A

Reset 0x00000000

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Access

Field

Value ID

Value

Description

RW STATE

State D+ and D- lines will be forced into by the DPDMDRIVE

task

Resume

D+ forced low, D- forced high (K state) for a timing preset in

hardware (50 μs or 5 ms, depending on bus state)

D+ forced high, D- forced low (J state)

D+ forced low, D- forced high (K state)

6.26.13.44 DTOGGLE

Address offset: 0x50C

Data toggle control and status

Write this register first with VALUE=Nop to select the endpoint; then read it to get the status from VALUE,

or write it again with VALUE=Data0 or Data1

4463_156 v1.0

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