DM385 datasheet(89/281 Pages) TI

89 / 281 page

DM385, DM388

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SPRS821D – MARCH 2013 – REVISED DECEMBER 2013

3.3.18.3 SD2

Table 3-40. SD2Terminal Functions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

AAR BALL [4]

SD2_CMD

SD2 Command output

AG6

SD2_DAT[0]

SD2 Data0 I/O. Functions as data bit 0 for 4-/8-bit SD

AC4

mode and single data bit for 1-bit SD mode.

SD2_DAT[3]

SD2 Data3 I/O. Functions as data bit 3 for 4-/8-bit SD

I/O

AD1

mode.

SD2_DAT[4]

SD2 Data4 I/O. Functions as data bit 4 for 8-bit SD

I/O

AD2

mode.

SD2_DAT[5]

SD2 Data5 I/O. Functions as data bit 5 for 8-bit SD

I/O

AE1

mode.

SD2_DAT[6]

SD2 Data6 I/O. Functions as data bit 6 for 8-bit SD

I/O

AE2

mode.

SD2_DAT[7]

SD2 Data7 I/O. Functions as data bit 7 for 8-bit SD

I/O

AE3

mode.

SD2_DAT[1]_SDIRQ

SD2 Data1 I/O. Functions as data bit 1 for 4-/8-bit SD

I/O

AC5

mode and as an IRQ input for 1-bit SD mode.

SD2_DAT[2]_SDRW

SD2 Data2 I/O. Functions as data bit 2 for 4-/8-bit SD

I/O

AC8

mode and as a Read Wait input for 1-bit SD mode.

SD2_SCLK

SD2 Clock output

I/O

AC6

SD2_SDCD

SD2 Card Detect input

D31

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