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6
D
+3.3V
C56
C57
C40
14
U12-G
33pF
33pF
v+
X6
0.1uF
v-
74HCU04
7
22.5792MHz
C74
33pF
R52
1M
R54
1
2
R53
100 ohm
U12-A
3
74HCU04
Q1
1
MBT4401
2
C52
C53
33pF
33pF
X5
+3.3V
C
24.576 MHz
C55
2
33pF
1
Q2
MBT4403
R44
1M
R50
3
13
12
R47
100 ohm
11
U12-F
74HCU04
EN_24MHZ
B
0 ohm
R163
NC
J5
1
4
0 ohm
R164
6
2
8
7
C73
C72
MIDI
470pF
470pF
5
3
NC
NC
0 ohm
R161
J4
1
4
6
2
8
N/C
7
MIDI
A
5
C1
3
0 ohm
R162
NC
0.1uF
C76
C75
470pF
470pF
5
+3.3V
C42
0.1uF
16
VCC
U14
Q1
9
R58
Q2
7
Q3
6
Q4
5
Q5
3
10
CLK
Q6
2
MCLK
Q7
4
Q8
13
R65
Q9
12
R66
Q10
14
Q11
15
11 RESET
Q12
1
GND
8
74HC4040
47K
3
4
5
6
U12-B
U12-C
R55
22 ohm
+3.3V
74HCU04
74HCU04
C41
0.1uF
16
VDD
12
I/O_AX
O/I_A
14
13
15
I/O_AY
O/I_B
O/I_C
4
2
I/O_BX
1
I/O_BY
INH
6
U13
5
I/O_CX
A
11
3
10
I/O_CY
B
C
9
VSS
VEE
8
7
74HC4053
47K
10
9
8
U12-E
U12-D
R51
22 ohm
74HCU04
74HCU04
+3.3V
R19-A
100
R19-B
100
R19-C
100
3
R19-D
100
1
U4-A
MIDI_TX0
MIDI_RX0
74LVC1G17
+3.3V
+3.3V
2
U4-B
VCC
74LVC1G17
C10
0.1uF
GND
4
R18
U2
R21
TLP181
220
1
4
2.00k 1%
3
D2
Q4
1
2
3
1N4148
MBT4401
2
R23
330 ohm
4
3
47 ohm
SIN1/2
SIN3/4
47 ohm
47 ohm
PA16: GND for junction, VCC for launchpad
LRCK
SPI0_SCK
BCLK
R67
47 ohm
LRCK
47 ohm
R57
MCKO
R56
47 ohm
MCLK
EN_512FS
EN_MCLK/2
EN_24MHZ
SPI1_MISO
SOUT3/4
R11
100 ohm
todo: check load cap values
0 ohm
22pF
C36
1M
X3
R10
12 MHz
22pF
C37
+3.3V
C34
0.1uF
VBUS_UPSTREAM
J6
1
2
DM1
3
DP1
4
5
6
R8
R7
7
NC
8
NC
R6
33 ohm
9
10
MCU DECOUPLING
PLACE DECOUPLING CAPS NEAR VDDIO, VDDINT, and misc power pins AND VCCIO PINS
+3.3V
C2
0.1uF
C32
C4
C7
C22
47uF, 6.3V
0.1uF
0.1uF
0.1uF
+3.3V
C33
C30
C31
C12
47uF, 6.3V
0.1uF
0.1uF
0.1uF
2
USB_VBIAS PIN:
1) 6810 ohm +/-0.5% resistor
2) 6810 ohm +/-1% resistor with 10pf in parallel
Datasheet contains both statements
Atmel confirmed that the 2nd statement
+3.3V
is the correct one
VDDCORE
R36
6.81K 1%
TP15
2
10
21
48
64
81
103
130
142 143
141
118
3
VDDIO
VDDINT
122 PA00
PX00
123 PA01
PX01
15 PA02
PX02
125 PA03
PX03
126 PA04
PX04
124 PA05
PX05
127 PA06
PX06
133 PA07
PX07
137 PA08
PX08
139 PA09
PX09
138 PA10
PX10
136 PA11
PX11
132 PA12
PX12
129 PA13
PX13
100 PA14
PX14
101 PA15
PX15
128 PA16
PX16
116 PA17
PX17
115 PA18
PX18
114 PA19
PX19
113 PA20
PX20
109 PA21
PX21
110 PA22
U1
PX22
111 PA23
AT32UC3A364
PX23
112 PA24
PX24
119 PA25
PX25
120 PA26
PX26
26 PA27
PX27
28 PA28
PX28
23 PA29
PX29
14 PA30
PX30
29 PA31
PX31
PX32
30 PB00
PX33
27 PB01
PX34
25 PB02
PX35
24 PB03
PX36
22 PB04
PX37
121 PB05
PX38
134 PB06
PX39
135 PB07
PX40
R37
11 PB08
PX41
17 PB09
PX42
16 PB10
PX43
31 PB11
PX44
PX45
98 PC00
PX46
99 PC01
PX47
18 PC02
PX48
19 PC03
PX49
13 PC04
PX50
12 PC05
PX51
PX52
108 TDI
PX53
107 TCK
PX54
105 TDO
PX55
104 TMS
PX56
R20
PX57
1 USB_VBUS
PX58
PX59
0 ohm
5 DMHS
6 DPHS
8 DMFS
39 ohm
9 DPFS
39 ohm
106 RESET_N
GNDIO
4
7
20
65
47
82
102
131
144
140
117
TP16
+3.3V
VDDCORE
VDDCORE is an internal regulator
output and needs a coupling capacitor.
C3
C21
C23
C9
C8
COMPANY:
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
TITLE:
AI01 Top Rear PCB
PART NUMBER:
C26
ASSY NUMBER:
0.1uF
DRAWN:
DATED:
CB/KRH
7/6/2011
FILENAME:
RELEASED:
DATED:
SCALE:
1
+3.3V
C38
10pF
55
MIDI_RX0
59
R38
100 ohm
MIDI_TX0
62
63
60
58
53
54
STATUS
50
49
37
67
34
33
EN_24MHZ
68
40
32
83
84
35
73
80
EN_MCLK/2
72
85
86
EN_512FS
92
90
89
TP9
91
100 ohm
R17
SOUT1/2
94
R25
100 ohm
SPI0_SCK
BCLK
96
R24
0 ohm
97
CODEC_RESET
93
95
61
38
44
BCLK
45
51
52
36
71
69
88
66
70
74
39
41
43
75
77
87
42
46
79
78
76
57
56
AKAI
9-40-0599-4
9-79-0599-4
SIZE:
AI01TR401A.sch
C
SHEET:
3
OF
4
D
C
B
A
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