Microchip Technology /ATSAMD51J18A /SDHC0 /HC2R_EMMC_MODE

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as HC2R_EMMC_MODE

15 1211 87 43 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (SDR12)HS200EN0 (B)DRVSEL 0 (NO)EXTUN 0 (FIXED)SLCKSEL 0 (HOST)PVALEN

PVALEN=HOST, EXTUN=NO, SLCKSEL=FIXED, DRVSEL=B, HS200EN=SDR12

Description

Host Control 2

Fields

HS200EN

HS200 Mode Enable

0 (SDR12): SDR12

1 (SDR25): SDR25

2 (SDR50): SDR50

3 (SDR104): SDR104

4 (DDR50): DDR50

DRVSEL

Driver Strength Select

0 (B): Driver Type B is Selected (Default)

1 (A): Driver Type A is Selected

2 ©: Driver Type C is Selected

3 (D): Driver Type D is Selected

EXTUN

Execute Tuning

0 (NO): Not Tuned or Tuning Completed

1 (REQUESTED): Execute Tuning

SLCKSEL

Sampling Clock Select

0 (FIXED): Fixed clock is used to sample data

1 (TUNED): Tuned clock is used to sample data

PVALEN

Preset Value Enable

0 (HOST): SDCLK and Driver Strength are controlled by Host Controller

1 (AUTO): Automatic Selection by Preset Value is Enabled

Links

()