Audio Ac97 - Atmel AT91SAM9G45-EKES User Manual

8 7
CLOCK SELECTION - PIN STRAPING TABLE
RA=1K RB=1K CODEC ID CLK FREQ
OUT OUT PRIMARY 24.576 MHz Local XTAL
OUT IN SECONDARY 12.288 MHz Ext. BITCLK
IN OUT PRIMARY 48.000 MHz Ext. BITCLK (Into XTAL-IN)
IN IN PRIMARY 14.318 MHz Ext. BITCLK (Into XTAL-IN)
D
(EXT_CLK) R60 R60
{3} PE31
C120 C120 22pF 22pF
C123 C123 22pF 22pF
(AC97TX)
{3} PD7
(AC97CK)
{3} PD9
(AC97RX)
{3} PD6
(AC97FS)
{3} PD8
{2,3,7,9,10,12} NRST
C
B
A
8 7
6
(see table)
R58 R58 DNP DNP
RA
RB
R59 R59 DNP DNP
DNP DNP
C124 C124
3V3
100nF 100nF
MN15 MN15
Y3 Y3 C122 C122 C125 C125
10uF 10uF 100nF 100nF
24.576MHz 24.576MHz
10V 10V
1
DVDD1
2
XTL_IN
3
XTL_OUT
4
DVSS1
5
SDATA_OUT
6
BIT_CLK
7
DVSS2
8
SDATA_IN
9
DVDD2
10
SYNC
11
RESET
12
NC1
R63 R63
R65 R65
AGND_AC97
5V AVDD_AC97
L13 L13
10uH 10uH 150mA 150mA
C144 C144 C145 C145 C146 C146
47uF 47uF
10uF 10uF
6V3 6V3
10V 10V 100nF 100nF
R73 R73 0R 0R
AGND_AC97
WARNING
TO BIAS FROM VREFOUT
CHANGE R71 and R72 to 3k 5%
DO NOT INSTALL R76, R78, C150, C151
VREFOUT MUST BE PROGRAMMED TO 3.7V
USING VREFH BIT (REG 76h)
6
5 4
AVDD_AC97
C117 C117
100nF 100nF
C118 C118
10uF 10uF
C116 C116
10V 10V
100nF 100nF
AGND_AC97 C119 C119
1uF 1uF
AVDD_AC97
JP14 JP14
36 1
LINE_OUT_R
35
LINE_OUT_L
34
AVDD4
33
AVSS4
32
AFILT4
AD1981B AD1981B 31
AFILT3
30
AFILT2
29
AFILT1
28 VREFOUT
VREFOUT
27
VREF
26
AVSS1
25 C134 C134
AVDD1
1uF 1uF
AGND_AC97
2.2K 2.2K
C136 C136
1uF 1uF
2.2K 2.2K
C137 C137
1uF 1uF
OPTIONAL VOICE
FILTER COMPONENTS
C140 C140 100nF 100nF R69 R69 100R 100R
C141 C141 100nF 100nF R70 R70 100R 100R
C142 C142 C143 C143
10nF 10nF 10nF 10nF
AGND_AC97
OPTIONAL MIC BIASING FROM VREFOUT
VREFOUT R75 R75 DNP DNP
R77 R77 DNP DNP
5 4
3
C112 C112 100uF 100uF 6V3 6V3
L8 L8
742792093 742792093
L9 L9
742792093 742792093
C113 C113 100uF 100uF 6V3 6V3
R56 R56 R57 R57 C114 C114
1K 1K 1K 1K 470pF 470pF
AGND_AC97
R61 R61 22K 22K R62 R62 22K 22K
C121 C121
10uF 10uF
10V 10V
AVDD_AC97
6 C126 C126 100nF 100nF
MN16 MN16
DNP DNP VDD VDD
-IN -IN
4
3 Vo1 Vo1 5
3 +IN +IN
C127 C127 100nF 100nF
C128 C128 270pF 270pF
C129 C129 270pF 270pF
C130 C130 270pF 270pF
C131 C131 270pF 270pF
8
Av=1 Av=1
VDD/2 VDD/2
2
Bypass Bypass
C132 C132 100nF 100nF Vo2 Vo2
C133 C133 100nF 100nF
C135 C135
100nF 100nF 1 Shutdown Shutdown
Bias Bias
GND GND
SSM2211 SSM2211
7
AGND_AC97
R64 R64 4.7K 4.7K
L10 L10
742792093 742792093
R66 R66 4.7K 4.7K
L11 L11
742792093 742792093
R67 R67 R68 R68 C138 C138
4.7K 4.7K 4.7K 4.7K 470pF 470pF
AGND_AC97
L12 L12
742792093 742792093
L14 L14
742792093 742792093
R71 R71 R72 R72
3.9K 3.9K 3.9K 3.9K C147 C147
470pF 470pF
AVDD_AC97
R76 R76 470R 470R
R78 R78 470R 470R
C150 C150 C151 C151
10uF 10uF 10uF 10uF
10V 10V 10V 10V
AGND_AC97
3
2 1
3.5 PHONEJACK STEREO 3.5 PHONEJACK STEREO
J7 J7
3 5
2 HEADPHONE
LINE-OUT
C115 C115
1 4
470pF 470pF
SPEAKER OUTPUT
JP15 JP15
DNP DNP
3.5 PHONEJACK STEREO 3.5 PHONEJACK STEREO
J8 J8
3 5
2 LINE-IN
C139 C139
1 4
470pF 470pF
3.5 PHONEJACK STEREO 3.5 PHONEJACK STEREO
J9 J9
3 5
2 MONO / STEREO
MICROPHONE INPUT
C148 C148
1 4
470pF 470pF
C149 C149
470pF 470pF
R74 R74
0R 0R
AGND_AC97
E E E LN LN LN 03-sep-09 03-sep-09 03-sep-09
D D D PP PP PP 22-jun-09 22-jun-09 22-jun-09
02-DEC-08 02-DEC-08 02-DEC-08
C C C PP PP PP
B B B
PP PP PP 29-JUL-08 29-JUL-08 29-JUL-08
A A A INIT EDIT INIT EDIT INIT EDIT PP PP PP 26-MAY-08 26-MAY-08 26-MAY-08 XXX XXX XXX XX-XXX-XX XX-XXX-XX XX-XXX-XX
REV REV REV MODIF. MODIF. MODIF. DES. DES. DES. DATE DATE DATE VER. VER. VER.
AT91SAM9M10-EKES AT91SAM9M10-EKES AT91SAM9M10-EKES
1/1 1/1 1/1
SCALE SCALE SCALE REV. REV. REV. SHEET SHEET SHEET
AT91SAM9G45-EKES AT91SAM9G45-EKES AT91SAM9G45-EKES
E E E

AUDIO AC97

AUDIO AC97 AUDIO AC97
This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings. This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings. This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings.
2 1
D
C
B
A
DATE DATE DATE
8 8 8
12 12 12