Microchip Technology /ATSAMD51J19A /SDHC0 /HC1R

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Interpret as HC1R

7 43 0 0 00 0 0 0 0 0 0 0 0 (OFF)LEDCTRL 0 (1BIT)DW 0 (NORMAL)HSEN 0 (SDMA)DMASEL 0 (NO)CARDDTL 0 (NORMAL)CARDDSEL

DW=1BIT, DMASEL=SDMA, HSEN=NORMAL, LEDCTRL=OFF, CARDDSEL=NORMAL, CARDDTL=NO

Description

Host Control 1

Fields

LEDCTRL

LED Control

0 (OFF): LED off

1 (ON): LED on

DW

Data Width

0 (1BIT): 1-bit mode

1 (4BIT): 4-bit mode

HSEN

High Speed Enable

0 (NORMAL): Normal Speed mode

1 (HIGH): High Speed mode

DMASEL

DMA Select

0 (SDMA): SDMA is selected

2 (32BIT): 32-bit Address ADMA2 is selected

CARDDTL

Card Detect Test Level

0 (NO): No Card

1 (YES): Card Inserted

CARDDSEL

Card Detect Signal Selection

0 (NORMAL): SDCD# is selected (for normal use)

1 (TEST): The Card Select Test Level is selected (for test purpose)

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