Atmel AT91SAM9G20-EK User Manual page 29

8 7
10 SQUARE CM COPPER AREA FOR HEAT SINKING
WITH NO SOLDER MASK
MN1 MN1
LT1963AEQ-3.3 LT1963AEQ-3.3
REGULATED C2 C2
5V
5V ONLY R3 R3 10µF 10µF
100K 100K 10V 10V
1 2
J1 J1
VIN
2
+ +
D SD
C1 C1
330µF 330µF CR1 CR1
1
5V 5V
Q2 Q2
6 5 4
Si1563EDH Si1563EDH
J3 J3
FORCE
POWER
ON
1 2 3
C14 C14
15PF 15PF R9 R9
10K 10K
C
SHDN
5V
R165 R165
15K 15K
2
3
R166 R166
10K 10K
MMSD4148 MMSD4148
B
3V3
R1 R1
120R 120R
POWER LED
R4 R4
DS1 DS1
470K 470K
YELLOW YELLOW
3
R5 R5 0R 0R
1 POWERLED
Q1 Q1
A
IRLML2402 IRLML2402
2
8 7
6
R168 R168
NOT POPULATED NOT POPULATED
3V3 CURRENT MEASURE
6
GND
J2 J2
IRLML6402 IRLML6402
4 2
VOUT
GND FB
C3 C3 C4 C4
3 5
10µF 10µF 10µF 10µF
R163 R163
10K 10K
5V
R161 R161
82K 82K
8
5
MN15B MN15B
+ +
7
6
- -
5V
LM293 LM293
4
R162 R162
15K 15K
C147 C147
100NF 100NF
R10 R10 R169 R169
10K 10K
NOT POPULATED NOT POPULATED
C5 C5 C6 C6
1µF 1µF 1µF 1µF
8 6 3 4
1V0
5V
C11 C11 R7 R7
C1M C1P C2M C2P
22µF 22µF 30K 30K
5 7
VIN VOUT
5V
R167 R167 C15 C15 TPS60500 TPS60500
10K 10K 4.7µF 4.7µF 10
FB
1 2
EN GND PG
MN15A MN15A MN3 MN3
9
1
LM293 LM293
D1 D1
GND TEST POINT
TP1 TP1 TP2 TP2 TP3 TP3 TP4 TP4
PB9
6
5 4
3V3
3
Q3 Q3
R164 R164
1K 1K
AUDIO DAC INTERFACE
VCC_DAC
MN2 MN2
C136 C136 C137 C137
10µF 10µF 100NF 100NF
14
AVDD
GND_DAC 16
VMID
C140 C140 C141 C141 15
AGND
10µF 10µF 100NF 100NF
17
MICBIAS
19
RLINEIN
C12 C12 VOL VOL
GND_DAC
10PF 10PF
18
MICIN
0db/20db 0db/20db
R11 R11
120K 120K
20
LLINEIN VOL VOL
OSC OSC
CLOCK CLOCK
DIVIDER DIVIDER
R8 R8
47R 47R
VCC_DAC 3V3
L1 L1
10uH 150mA 10uH 150mA
R12 R12
1R 1R
C146 C146
100NF 100NF
C18 C18
4.7µF 4.7µF
GND_DAC GND_DAC
5 4
3
R6 R6
0R 0R
R2 R2
R128 R128
0R 0R
3V3
100K 100K
CONTROL INTERFACE CONTROL INTERFACE
MUTE MUTE
ATTEN ATTEN
/MUTE /MUTE
MUTE MUTE
ADC ADC DAC DAC
MUX MUX
MUTE MUTE
MUTE MUTE
DIGITAL DIGITAL
FILTER FILTER
MUTE MUTE
ADC ADC DAC DAC
MUX MUX
MUTE MUTE
MUTE MUTE
ATTEN ATTEN
/MUTE /MUTE
MUTE MUTE
CLOCK CLOCK
DIGITAL AUDIO INTERFACE DIGITAL AUDIO INTERFACE
DIVIDER DIVIDER
R150100K R150100K
R151100K R151100K
3V3
C142 C142
100NF 100NF
C143 C143
10µF 10µF
ADHESIVE FEET
R15 R15 0R 0R
Z3 Z3 Z4 Z4
11.1 11.1 11.1 11.1
GND_DAC
Z5 Z5 Z6 Z6
11.1 11.1 11.1 11.1
POW ER SUPPLY & AUDIO POW ER SUPPLY & AUDIO POW ER SUPPLY & AUDIO
3
2 1
VCC_DAC
8
HPVDD
C139 C139
11 C138 C138 10µF 10µF
HPGND
100NF 100NF
GND_DAC
GND_DAC
R136 R136
10
47K 47K
VOL VOL HP HP
RHPOUT
DRIVER DRIVER
/MUTE /MUTE
GND_DAC
220µF 220µF
13 10V 10V C16 C16 3
ROUT
1
12 4
LOUT
2
C17 C17 3.5 PHONEJACK STEREO 3.5 PHONEJACK STEREO
220µF 220µF
10V 10V
R137 R137
9 47K 47K
VOL VOL HP HP
LHPOUT
DRIVER DRIVER
/MUTE /MUTE
GND_DAC
WM8731SEDS WM8731SEDS
3V3
C144 C144
100NF 100NF
C145 C145
10µF 10µF
06/03/09 06/03/09 06/03/09
D D D PP PP PP
C C C PP PP PP 07/10/08 07/10/08 07/10/08
B B B PP PP PP 02/07/08 02/07/08 02/07/08
A A A INIT EDIT INIT EDIT INIT EDIT TVT TVT TVT 15/04/08 15/04/08 15/04/08
REV REV REV MODIF. MODIF. MODIF. DES. DES. DES. DATE DATE DATE VER. VER. VER. DATE DATE DATE
1/1 1/1 1/1
AT91SAM9G20-EK AT91SAM9G20-EK AT91SAM9G20-EK SCALE SCALE SCALE REV. REV. REV. SHEET SHEET SHEET
D D D
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
J4 J4
B
A
2 2 2
7 7 7