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Copyright (c) 2009 Akai Digital Ltd.
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2
AD88/AD61 MAIN PCB
MICRO & FPGA
9-40-0506-B
9-79-0506-B-1
AD88MNB10A.sch
7/20/2009
R.E./I.F/J.B/M.S./D.M.
DNS
DNS
PLACE DECOUPLING CAPS NEAR VCC AND VCCIO PINS
N/C
N/C
N/C
N/C
N/C
N/C
N/C
FPGA
DECOUPLING
SEEPROM
N/C
N/C
TO
TOP
PCB
RIGHT
TO
TOP
PCB
RIGHT
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
FOR
MOUNTING
HOLES
Connection to 61-key keybed on AD61 uses
UPPER KEYS LOWER KEYS
TO TOP
LEFT PCB
NC
NC
N/C
RC filter for VDDA
N/C
UNUSED
STUFFING OPTION FOR
PRODUCT IDENTIFICATION
16-pin connectors (pins 1 to 16) at J10, J11
N/CN/C
For Development only - DNS
DNS
Connection to 49-key keybed on AD49 uses
16-pin connectors rotated (pins 16 to 1)
at J10, J11
R914.7k
R904.7k
R45 22 ohm
R46 22 ohm
C34
22pF
C35
22pF
R87-B100 ohm
R87-D100 ohm
R68-B100 ohm
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
J14
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
J16
GFP-231221-1222G
R6910K
Q6
MBT4403
R48
10K
R103-A 100 ohm
R103-B 100 ohm
GND
1
A0
2
A1
3
A2
4
8
VCC
7
WP
6
SCL
5
SDA
U9
24C256
R103-D100 ohm
R103-C100 ohm
R93-B100 ohm
R93-A100 ohm
R93-C100 ohm
R93-D100 ohm
R68-D100 ohm
R72-D
100 ohm
R72-C100 ohm
R72-B100 ohm
R72-A100 ohm
C53
0.1uF
C32
0.1uF
C77
0.1uF
R92-D100 ohm
R92-C100 ohm
R92-B100 ohm
R92-A100 ohm
R105
0 ohm
R94
0 ohm
R33
0 ohm
C65 1000pF
C62 1000pF
C66 1000pF
C67 1000pF
C68 1000pF
C64 1000pF
C43 1000pF
R47
10K
C61 1000pF
C76
0.1uF
C70
0.1uF
C63
0.1uF
C36
0.1uF
C73
0.1uF
C52
0.1uF
TP3 TP10 TP5
R52-A
100 ohm
R52-B
100 ohm
R52-C
100 ohm
R52-D
100 ohm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J10
R71-A 4.7k
R71-B 4.7k
R71-C 4.7k
R71-D 4.7k
R70-A 4.7k
R70-B 4.7k
R70-C 4.7k
R70-D 4.7k
C55
0.1uF
1
2
3
4
J13
S4B-PH-K-S(LF)(SN)
Q7
MBT4401
R102
10K
R104-A
100 ohm
R104-B
100 ohm
R104-C
100 ohm
R104-D
100 ohm
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
26
TMS
27
PB2C
28
TCK
29
VCCIO2
30
GNDIO2
31
TDO
32
PB4C
33
TDI
34
PB4E
35
VCC
36
PB5B
37
PB5D
38
PB6B
39
PB6C
40
GND
41
42
43
PB8B
44
PB8C
45
PB8D
46
PB9A
47
PB9C
48
SLEEP
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
76
PT9F
77
PT9E
78
PT9C
79
PT9A
80
VCCIO0
81
GNDIO0
82
PT7E
83
PT7A
84
85
PT6B
86
PT5B
87
PT5A
88
VCC_AUX
89
PT4F
90
91
PT3F
92
93
94
PT3B
95
PT3A
96
PT2F
97
PT2E
98
PT2B
99
PT2C
100
PT2A
U7
LCMXO640C-3TN100C
C30 10uF,10V
C13 0.1uF
C33 0.1uF
C24 0.1uF
X1
8 MHz
C49
18pF
R66
270 ohm
C2918pF
C51
0.01uF
C50
4.7uF,6.3V
R43
10K
R99 1.0 ohm
TP11
TP4
C17
0.1uF
1
VBAT
2
PC13-TAMPER-RTC
3
PC14-OSC32_IN
4
PC15-OSC32_OUT
5
PD0-OSC_IN
6
PD1-OSC_OUT
7
RST
8
PC0
9
PC1
10
PC2
11
PC3
12
VSSA
13
VDDA
14
PA0-WKUP
15
PA1
16
PA2
48
47
46
PA13
45
PA12
44
PA11
43
PA10
42
PA9
41
PA8
40
PC9
39
PC8
38
PC7
37
PC6
36
PB15
35
PB14
34
PB13
33
PB12
49
PA14
50
PA15
51
PC10
52
PC11
53
PC12
54
PD2
55
PB3
56
PB4
57
PB5
58
PB6
59
PB7
60
BOOT0
61
PB8
62
PB9
63
6432
VDD
31
VSS
30
PB11
29
PB10
28
PB2
27
PB1
26
PB0
25
PC5
24
PC4
23
PA7
22
PA6
21
PA5
20
PA4
19
18
17
PA3
U6
STM32F103RCT6
R68-A100 ohm
R68-C100 ohm
R87-C100 ohm
R87-A100 ohm
R89-D100 ohm
R89-C100 ohm
R89-A100 ohm
R89-B100 ohm
R88100 ohm
C38 0.1uF
C74 0.1uF
R44-A100 ohm
R44-B100 ohm
R44-C100 ohm
R44-D100 ohm
1
2
GND
3
4
VCC
U5
6.100MHz
C75
0.01uF
R65-C100 ohm
R65-A100 ohm
R67 47 ohm
R49 0 ohm
R50 0 ohm
R51 0 ohm
TP8
C78
0.1uF
R100 0 ohm
TP6
R98 0 ohm
R65-D100 ohm
R65-B100 ohm
TP9
C72
0.1uF
C71
0.1uF
C79
470uF,10V
R97
0 ohm
TP7
MIDI_RX
MIDI_TX
USB_DIS
ENC_B
ENC_A
PAD_RETURN[0:2]
SCL
SDA
+3V3
PAD_RETURN1
PAD_RETURN2
PAD_RETURN0
ANALOG[0:3]
ANALOG1
ANALOG2
ANALOG3
POWER
ANALOG0
+3V3
PAD_SCAN_SEL[0:1]
PAD_SCAN_SEL0
PAD_SCAN_SEL1
TCK_FPGA
TMS_FPGA
TDI_FPGA
BTN_SCAN_SEL[0:3]
BTN_SCAN_SEL3
ANALOG_SELECT[0:2]
ANALOG_SELECT0
ANALOG_SELECT1
ANALOG_SELECT2
TDO_FPGA
POWER_EN
USB+
USB-
LCD/LED/FPGA_DATA0
LCD/LED/FPGA_DATA1
LCD/LED/FPGA_DATA2
LCD/LED/FPGA_DATA3
LCD/LED/FPGA_DATA4
LCD/LED/FPGA_DATA5
LCD/LED/FPGA_DATA6
LCD/LED/FPGA_DATA7
LCD/LED/FPGA_DATA[0:7]
LCD/LED/FPGA_DATA0
LCD/LED/FPGA_DATA1
LCD/LED/FPGA_DATA2
LCD/LED/FPGA_DATA3
LCD/LED/FPGA_DATA4
LCD/LED/FPGA_DATA5
LCD/LED/FPGA_DATA6
LCD/LED/FPGA_DATA7
BTN_SCAN_SEL[0:3]
BTN_SCAN_SEL0
BTN_SCAN_SEL1
BTN_SCAN_SEL2
BTN_SCAN_SEL3
ANALOG_SELECT[0:2]
ANALOG_SELECT0
ANALOG_SELECT1
ANALOG_SELECT2
LCD_E
LCD_RW
LCD_RS
LCD_CONTRAST_DC
PITCH_POT
MOD_POT
+5VUNREG
TAP_TEMPO_LED
+3V3
+3V3_FULL
ANALOG[0:3]
ANALOG0
ANALOG1
ANALOG2
ENC_A
ENC_B
PAD_RETURN[0:2]
PAD_RETURN0
PAD_RETURN1
PAD_RETURN2
ANALOG_TOP
+3V3
PAD_SCAN_SEL1
PAD_SCAN_SEL0
PAD_SCAN_SEL[0:1]
+3V3
POWER_EN
BTN_SCAN_SEL[0:3]
BTN_SCAN_SEL0
BTN_SCAN_SEL1
BTN_SCAN_SEL2
BTN_SCAN_SEL3
FOOTSWITCH
+3V3
KBD_COL11
KBD_COL10
KBD_COL13
KBD_COL12
KBD_COL01
KBD_COL00
KBD_COL03
KBD_COL02
KBD_COL05
KBD_COL04
KBD_COL07
KBD_COL06
KBD_COL17
KBD_COL16
KBD_COL15
KBD_COL14
KBD_COL18
KBD_COL19
KBD_COL20
KBD_COL21
KBD_COL09
KBD_COL08
KBD_ROW7
KBD_ROW6
KBD_ROW5
KBD_ROW4
KBD_ROW3
KBD_ROW2
KBD_ROW1
KBD_ROW0
KBD_COL19
KBD_COL18
KBD_COL20
KBD_COL21
KBD_COL17
KBD_COL16
KBD_COL00
KBD_COL01
KBD_COL02
KBD_COL03
KBD_COL04
KBD_COL05
KBD_COL06
KBD_COL07
KBD_COL08
KBD_COL09
KBD_COL10
KBD_COL11
KBD_COL12
KBD_COL13
KBD_COL14
KBD_COL15
KBD_ROW0
KBD_ROW1
KBD_ROW2
KBD_ROW3
KBD_ROW4
KBD_ROW5
KBD_ROW6
KBD_ROW7
+3V3
FOOTSWITCH2
SPLIT
TAP_TEMPO_LED
SPLIT
SPLIT_LED
SPLIT_LED
TAP_TEMPO_DRV
LED_LATCH
GND
STM_TMS
STM_TCK
STM_TDI
STM_TDO
STM_TRST
STM_RST
PAD_RETURN3
LCD/LED/FPGA_DATA0
LCD/LED/FPGA_DATA1
LCD/LED/FPGA_DATA2
LCD/LED/FPGA_DATA3
LCD/LED/FPGA_DATA4
LCD/LED/FPGA_DATA5
LCD/LED/FPGA_DATA6
LCD/LED/FPGA_DATA7
+3V3
LCD/LED/FPGA_DATA0
LCD/LED/FPGA_DATA1
LCD/LED/FPGA_DATA2
LCD/LED/FPGA_DATA3
+3V3
SCL
SDA
LCD_E
LCD_RW
LCD_RS
LCD/LED/FPGA_DATA[0:7]
LCD_CONTRAST
FPGA_EN
FPGA_SELECT
FPGA_INT
FPGA_INT
FPGA_SELECT
FPGA_EN
LED_LATCH
ANALOG_TOP
+VDDA+3V3_FULL
BTN_SCAN_SEL0
BTN_SCAN_SEL1
BTN_SCAN_SEL2
+3V3
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