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COMPANY:
A
B
D
C
A
B
C
D
6 5 4 3 2 1
DATE:LTR ECO NO: APPROVED:
REVISION RECORD
ASSY NUMBER:
Copyri ght (c) 2009 Akai Professional
1 3
N/C
AD25 MAIN PCB
MICRO & FPGA
9-40-0504-C
9-79-0504-C-0
AD25MNC01A.sch
1/6/2009
M. Stit h
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
TO KEYBED
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
FPGA
DECOUPLING
SEEPROM
N/C
N/C
N/C
N/C
N/C
N/C
TO
FRONT
PCB
PANEL
TO
FRONT
PCB
PANEL
N/C
N/C
* decoupling cap should be placed close to microcontroller
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
40MHz
N/C
N/C
(Same signal arrangement as "upper keys"
connector for AD49 49-key keybed)
AKAI
PLACE DECOUPLING CAPS NEAR VCC and VCCIO PINS
PLACE CAPACITORS ON ANALOG[0:2]
VERY CLOSE TO MCU PINS
FOR
MOUNTING
HOLES
N/C
N/C
N/C
N/C
Place R65 near micro
VIA CLUMP
DECOUPLING
N/C
R38
100k
R174.7k
R294.7k
R52
22 ohm
R58
22 ohm
C51
DNS 22pF
C57
DNS 22pF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J9
R67-A 100 ohm
C33
0.1uF
C32
0.1uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
J11
GFP-231221-12602G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
J12
GFP-231221-12202G
R5310K
Q5
MBT4403
R33 DNS 0 ohm
C23
4.7uF,25V
C22
4.7uF,25V
GND
1
A0
2
A1
3
A2
4
8
VCC
7
WP
6
SCL
5
SDA
U3
24C256
R63-C100 ohm
R63-B100 ohm
R63-A100 ohm
C47
0.1uF
C69
0.1uF
C66
0.1uF
R70-D100 ohm
R70-C100 ohm
R70-B100 ohm
R70-A100 ohm
C45 1000pF
C40 1000pF
R43
10K
C49 1000pF
C46
0.1uF
C55
0.1uF
C75
0.1uF
C11
0.1uF
C76
0.1uF
C64
0.1uF
TP1
TP14
TP13
R63-D
100 ohm
1
PD2
2
P3.3
3
PD1
4
ALE
5
PC7
6
JTAGTDO
7
JTAGTDI
8
DEBUG
9
PC4
10
VCC
11
USB+
12
VDD
13
14
USB-
15
PC3
16
PC2
17
JTAGTCK
18
P4.7
19
P4.6
20
JTAGTMS
21
PA7
22
PA6
23
P4.5
24
PA5
25
P4.4
26
PA4
27
P4.3
28
PA3
29
GND
30
P4.2
31
P4.1
32
PA2
33
P4.0
34
PA1
35
PA0
36
AD0
37
AD1
38
AD2
39
AD3
40
P3.4
41
AD4
42
P3.5
43
AD5
44
P3.6
45
AD6
46
P3.7
47
AD7
48
XTAL1
49
XTAL2
50
51
NC1
52
P1.0
53
NC2
54
P1.1
55
NC3
56
P1.2
57
NC4
58
P1.3
59
P1.4
60
P1.5
61
P1.6
62
WR
63
PSEN
64
P1.7
65
RD
66
PB7
67
PB6
68
RESET_IN
69
70
VREF
71
PB5
72
AVCC
73
PB4
74
PB3
75
P3.0
76
PB2
77
P3.1
78
PB1
79
P3.2
80
PB0
U6
UPSD3433EV-40U6
1
2
Y2
E1UAB18-40.000M
1
2
L6
2.2uH
C59
22pF
C58
22pF
C65
0.01uF
R69-B 100 ohm
R69-A 100 ohm
R67-C 100 ohm
R67-D 100 ohm
R67-B 100 ohm
R85
0 ohm
R81
0 ohm
R220 ohm
L1
BLM18AG102SN1
L4
BLM18AG102SN1
L5
DNS_BLM18AG102SN1
R44
10K
R84-A4.7k
R84-B
4.7k
R84-C
4.7k
R84-D4.7k
R83-A4.7k
R83-B4.7k
R83-C4.7k
R83-D
4.7k
C39 1000pF
C36 1000pF
C35 1000pF
TP12
TP11
TP10
TP9
TP6
TP3
TP2
R62-A100 ohm
R62-B100 ohm
C34
0.1uF
C54
0.1uF
C67
0.1uF
C37
0.1uF
C52
0.1uF
C53
0.1uF
C38
4.7uF,25V
R 4 0
10K
C790.1uF
R6810K
R34-D 100 ohm
R34-C 100 ohm
TP8
R34-B 100 ohm
R69-D100 ohm
R69-C100 ohm
R39
100 ohm
R48
100 ohm
R65-A 100 ohm
R65-D 100 ohm
R65-B 100 ohm
R65-C 100 ohm
R51
100 ohm
R34-A 100 ohm
R31
100 ohm
R62-D100 ohm
R62-C100 ohm
C63
0.1uF
C77
0.1uF
1
PL2A
2
PL2C
3
PL2B
4
PL2D
5
PL3A
6
PL3B
7
PL3C
8
PL3D
9
PL4A
10
11
PL4C
12
GNDIO3
13
PL4D
14
PL5B
15
PL7B
16
PL8C
17
PL8D
18
PL9A
19
PL9C
20
PL10A
21
PL10C
22
PL11A
23
PL11C
24
VCCIO3
25
2 6
T M S
2 7
P B 2 C
2 8
T C K
29
VCCIO2
30
GNDIO2
3 1
T D O
3 2
P B 4 C
3 3
T D I
3 4
P B 4 E
35
V C C
3 6
P B 5 B
3 7
P B 5 D
3 8
P B 6 B
3 9
P B 6 C
40
GND
41
42
4 3
P B 8 B
4 4
P B 8 C
4 5
P B 8 D
4 6
P B 9 A
4 7
P B 9 C
4 8
S L EEP
49
PB9D
50
PB9F
51
PR11D
52
PR11B
53
PR11C
54
PR11A
55
PR10D
56
PR10C
57
PR10B
58
PR10A
59
PR9D
60
61
PR9B
62
GNDIO1
63
PR7B
64
PR6C
65
PR6B
66
PR5D
67
PR5B
68
PR4D
69
PR4B
70
PR3D
71
PR3B
72
PR2D
73
PR2B
74
VCCIO1
75
7 6
P T 9 F
7 7
P T 9 E
7 8
P T 9 C
7 9
P T 9 A
80
VCCIO0
81
GNDIO0
8 2
P T 7 E
8 3
P T 7 A
84
8 5
P T 6 B
8 6
P T 5 B
8 7
P T 5 A
88
VCC_AUX
8 9
P T 4 F
90
9 1
P T 3 F
92
93
9 4
P T 3 B
9 5
P T 3 A
9 6
P T 2 F
9 7
P T 2 E
9 8
P T 2 B
9 9
P T 2 C
100
PT2A
U7
LCMXO640C-3TN100C
C82
0.1uF
1
2
GND
3
4
VCC
U9
6.100MHz
C83
0.01uF
MIDI_RX
MIDI_TX
+3V3
RESET
TMS
TCK
TDI
TDO
LCD_E
LCD_RW
LCD_RS
USB_DIS
ENC_B
ENC_A
PAD_RETURN[0:2]
SCL
SDA
SCL
SDA
+3V3
+3V3
POWER
+3V3
LCD_CONTRAST
BTN_SCAN[0:3]
BTN_SCAN3
POWER_EN
USB+
USB-
LCD_E
LCD_RW
LCD_RS
LCD_CONTRAST_DC
PITCH
MOD
+5VUNREG
ANALOG_TOP
+3V3
POWER_EN
+3V3_FULL
ANALOG_TOP
+3V3
+3V3
FPGA_EN
FPGA_SELECT
FPGA_INT
TCK_FPGA
TMS_FPGA
TDI_FPGA
TDO_FPGA
LED_LATCH1
BTN_SCAN[0:3]
BTN_SCAN0
BTN_SCAN1
BTN_SCAN2
BTN_SCAN3
DATA[0:7]
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
PAD_RETURN0
PAD_RETURN1
PAD_RETURN2
DATA[0:7]
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
KEYBED_COL[0:7]
KEYBED_COL1
KEYBED_COL0
KEYBED_COL3
KEYBED_COL2
KEYBED_COL5
KEYBED_COL4
KEYBED_COL7
KEYBED_COL6
KEYBED_COL6
KEYBED_COL1
KEYBED_COL0
KEYBED_COL3
KEYBED_COL2
KEYBED_COL5
KEYBED_COL4
KEYBED_COL7
+3V3
KEYBED_ROW0
KEYBED_ROW1
KEYBED_ROW2
KEYBED_ROW3
KEYBED_ROW4
KEYBED_ROW5
KEYBED_ROW6
KEYBED_ROW7
+3V3_FULL
+3V3
ANALOG[0:1]
ANALOG1
ANALOG0
PAD_RETURN[0:2]PAD_RETURN0
PAD_RETURN1
PAD_RETURN2
LED_LATCH2
ANALOG_SELECT[0:3]
ANALOG_SELECT2
ANALOG_SELECT1
ANALOG_SELECT0
ANALOG_SELECT3
ENC_A
ENC_B
LED_LATCH1
PAD_SCAN[0:3]PAD_SCAN0
PAD_SCAN1
PAD_SCAN2
PAD_SCAN3
+3V3+3V3+3V3
+3V3+3V3+3V3
+3V3
FPGA_INT
ANALOG[0:2]
ANALOG2
ANALOG1
ANALOG0
LED_LATCH2
FPGA_EN
FPGA_SELECT
BTN_SCAN2
BTN_SCAN1
BTN_SCAN0
ANALOG_SELECT[0:3]
ANALOG_SELECT0
ANALOG_SELECT1
ANALOG_SELECT2
ANALOG_SELECT3
PAD_SCAN[0:3]
PAD_SCAN0
PAD_SCAN1
PAD_SCAN2
PAD_SCAN3
BTN_SCAN[0:3]
BTN_SCAN0
BTN_SCAN1
BTN_SCAN2
BTN_SCAN3
FOOTSWITCH
DATA4
+3V3 +3V3
+3V3
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