Sd card – Altera LCD Multimedia HSMC User Manual
Page 25
2–17
Altera Corporation
LCD Multimedia HSMC
August 2008
Interfaces/ Connectors
Figure 2–9
shows the Audio Codec connector schematic.
Figure 2–9. Audio Codec Connector Schematic
SD Card
The board includes a SD Card socket and provides SPI mode for SD Card
access. It can be accessible as memory in both SPI and and 1-bit SD mode.
The SD-Card data, clock, and control signals are wired directly to the
MAX II CPLD.
AUD_ADCDAT
I2C_SDAT
I2C_SCLK
AUD_BCLK
AUD_ADCLRCK
AUD_DACDAT
AUD_DACLRCK
AUD_XCK
AGND
A_VCC33
A_VCC33
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
VCC33
VCC33
VCC33
AGND
LINE IN
MIC IN
LINE OUT
C2 1U
C2 1U
R2
4.7K
R2
4.7K
J2
PHONE JACK B
J2
PHONE JACK B
L
1
R
2
GN
D
3
NCR
4
NCL
5
R10
47K
R10
47K
C3
1U
C3
1U
U1
WM8731
U1
WM8731
BCLK
7
H
PVD
D
12
XTO
2
DCVDD
3
MBIAS
21
MI
C
IN
22
RL
IN
E
IN
23
LL
IN
E
IN
24
MO
D
E
25
CS
B
26
SD
IN
27
SC
L
K
28
ROUT
17
AVDD
18
AGND
19
VMID
20
LOUT
16
HPGND
15
RH
P
O
U
T
14
LHPOU
T
13
XTI/MCLK
1
DGND
4
AD
C
L
R
C
K
11
AD
C
D
AT
10
DBVDD
5
CLKOUT
6
DA
C
D
A
T
8
DA
C
L
RC
K
9
EXPOSED
29
R3
4.7K
R3
4.7K
R5
2K
R5
2K
R9
47K
R9
47K
J1
PHONE JACK P
J1
PHONE JACK P
L
1
R
2
GN
D
3
NC
R
4
NC
L
5
C4 10U
C4 10U
TC1
100U/6.3V
TC1
100U/6.3V
R0
4.7K
R0
4.7K
R4
2K
R4
2K
R8
47K
R8
47K
C5
1N
C5
1N
R1
4.7K
R1
4.7K
J3
PHONE JACK G
J3
PHONE JACK G
L
1
R
2
GN
D
3
NCR
4
NCL
5
R6
330
R6
330
R7
680
R7
680
C1 1U
C1 1U
TC2
100U/6.3V
TC2
100U/6.3V