Altera LCD Multimedia HSMC - Manual (Page 26)

Altera Corporation 2–18
August 2008 LCD Multimedia HSMC
Board Components and Interfaces
Tables 2–11 shows the pinout of SD Card Socket with HSMC connector.
Figure 2–10 shows the SD Card interface schematic.
Figure 2–10. SD Card Interface Schematic
Table 2–11. SD Card Pinout with HSMC Connector
HSMC Connector MAX II SD Card
Signal Name
Pin
No.
HSMC
Connector
Side Pin
Device
Side Pin
Signal Name
Pin
No.
Description
HC_SD_DAT3 53 U11-2 ( 1 ) U11-13 ( 1 ) SD_DAT3 1 SD 1-bit Mode: Card Detect;
SPI Mode: Chip Select
(Active Low)
HC_SD_CMD 44 U11-3 ( 1 ) U11-12 ( 1 ) SD_CMD 2 SD 1-bit Mode: Command
Line; SPI Mode: Data In
HC_SD_CLK 101 J16 P1 SD_CLK 5 Clock
HC_SD_DAT 48 U11-4 ( 1 ) U11-11 ( 1 ) SD_DAT 7 SD 1-bit Mode: Data Line;
SPI Mode: Data Out
Notes:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U11.
SD_DAT
SD_DAT3
SD_CMD
SD_CLK
VCC33 VCC33
VCC33
VCC33
SW0
SW1
VSS
DAT3
VCC
DAT1
DAT2
VSS
DAT0
CLK
CMD
J4
SD Card Socket
SW0
SW1
VSS
DAT3
VCC
DAT1
DAT2
VSS
DAT0
CLK
CMD
J4
SD Card Socket
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15
R42
4.7K
R42
4.7K
R39
4.7K
R39
4.7K
R38
4.7K
R38
4.7K