Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 242)

100

101

W90P710CD/W90P710CDG

- 242 -

SD global Interrupt Status Register (SDGISR)

SDGISR

0xFFF0_7010

R/W SD Global Interrupt Status Register 0x0000_0000

31 30 29 28 27 26 25 24

Reserved

23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8

Reserved

7 6 5 4 3 2 1 0

Reserved

ERRINT DRdINT DWrINT SDHIINT Reserved Reserved SDGINT

BITS DESCRIPTIONS

[31:7]

Reserved -

[6]

ERRINT Bus Error Interrupt Status

[5]

DRdINT

DMA Read Interrupt Status

This bit indicates the DMA read transfer (from external SDRAM to

internal buffer) has finished.

1’b0: No DMA read transfer completion

1’b1: DMA read transfer completed

[4]

DWrINT

DMA Write Interrupt Status

This bit indicates the DMA write transfer (from internal buffer to external

SDRAM) has finished.

1’b0: No DMA write transfer completion

1’b1: DMA write transfer completed

[3]

SDHIINT

Secure Digital Host Controller Interface Interrupt Status

This bit indicates there is an interrupt status from Secure Digital host

controller.

1’b0: No interrupt status from Secure Digital host controller interface.

1’b1: There is an interrupt status from Secure Digital host controller

Interface

[0]

SDGINT

SD Host Global Interrupt Status

This bit is the wired-OR of SDHINT, DWrINT and DRdINT.

1’b0: No SD host controller interrupt notification

1’b1: There is an SD host controller interrupt status

1 2 ... 237 238 239 240 241 242 243 244 245 246 247 ... 551 552

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Rainbow-electronics W90P710CDG Manual de usuario Pagina 242

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