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1
6
ANALOG_TOP
C51
R98
C50
4.7uF,6.3V
0.01uF
0 ohm
GND
A
GND
Place capacitors
close to MCU
D
PAD_RETURN0
PAD_RETURN1
PAD_RETURN2
PAD_RETURN3
GND
GND
GND
GND
GND
ANALOG0
ANALOG1
ANALOG2
ANALOG3
GND
GND
GND
GND
MIDI_TX
MIDI_RX
R46
22 ohm
USB-
R45
22 ohm
USB+
LCD_CONTRAST
C1001
C1000
B
DNS_22pF
DNS_22pF
C
DO NOT
STUFF
LOAD_BUTTONS
GND
+3V3
J500
1
1
2
R500
DEV 10k
2
3
3
STM_TRST
4
4
5
5
STM_TDI
6
6
7
7
STM_TMS
8
8
9
9
STM_TCK
10
10
11
R501
DEV 10k
11
12
12
13
13
STM_TDO
14
14
15
15
STM_RST
16
16
17
R502
DEV 10k
17
18
18
19
R503
DEV 10k
19
20
20
DIP10*2P2.54
GND
GND
B
FOR DEVELOPMENT ONLY
C
+5VUNREG
R106
+3V3
Q7
R90
10K
MBT4403
RESET
R110
100k
R115
10K
GND
+3V3
TP7
TP3
TP10
TP5
A
FOR
TP9
MOUNTING
HOLES
R97
R33
R105
R94
TP6
0 ohm
0 ohm
0 ohm
0 ohm
D
GND
GND
GND
1
2
3
5
4
TP4
C38
+VDDA
+3V3
R99
C13
1 ohm
C33
C74
+VDDA
C32
C176
Place crystal components
close to MCU.
C29
GND
VDD
VDD
18pF
X1
8 MHz
PC0/ADC123_IN10
C49
12
R66
OSC_IN
PC1/ADC123_IN11
13
OSC_OUT
PC2/ADC123_IN12
270
PC3/ADC123_IN13
18pF
PC4/ADC12_IN14
PAD_RETURN0
23
PA0/TIM5_CH1
PC5/ADC12_IN15
PAD_RETURN1
24
PA1/TIM5_CH2
PC6/TIM8_CH1
PAD_RETURN2
25
PA2/USART2_TX
PC7/TIM8_CH2
PAD_RETURN3
26
PA3/USART2_RX
ANALOG0
29
PA4/SPI1_NSS
PC8/TIM8_CH3
ANALOG1
30
PA5/SPI1_SCK
PC9/TIM8_CH4
ANALOG2
31
PA6/SPI1_MISO
PC10/UART4_TX
ANALOG3
32
PA7/SPI1_MOSI
PC11/UART4_RX
PC12/UART5_TX
67
N/C
PA8/TIM1_CH1/MCO
PC13/TAMPER-RTC
R67
47 ohm
MIDI_TX
68
PA9/USART1_TX
PC14/OSC32_IN
MIDI_RX
69
PA10/USART1_RX
PC15/OSC32_OUT
USB-MCU
70
PA11/TIM1_CH4
USB+MCU
71
PA12/TIM1_ETR
72
STM_TMS
PA13/JTMS
PD0/FSMC_D2
76
STM_TCK
PA14/JTCK
PD1/FSMC_D3
77
STM_TDI
PA15/SPI3_NSS/JTDI
PD2/UART5_RX
PD3/FSMC_CLK
PD4/FSMC_NOE
PD5/FSMC_NWE
R89A
100 ohm
35
LCD_E
PB0/ADC12_IN8
PD6/FSMC_NWAIT
R89B
100 ohm
36
LCD_RW
PB1/ADC12_IN9
PD7/FSMC_NE1/NCE2
R89C
100 ohm
37
LCD_RS
PB2/BOOT1
89
STM_TDO
PB3/SPI3_SCK/JTDO
PD8/FSMC_D13
90
STM_TRST
PB4/JTRST
PD9/FSMC_D14
R42
10K
91
PB5/SPI3_MOSI
PD10/FSMC_D15
92
N/C
PB6/TIM4_CH1
PD11/FSMC_A16
Place this resistor
N/C
93
PB7/FSMC_NADV
PD12/FSMC_A17
U12
near micro
PD13/FSMC_A18
95
STM32F103VC
N/C
PB8/TIM4_CH3
PD14/FSMC_D0
96
N/C
PB9/TIM4_CH4
PD15/FSMC_D1
47
N/C
PB10/USART3_TX
R36A
100 ohm
48
PB11/USART3_RX
R36B
100 ohm
51
LOAD_LEDS
PB12/TIM1_BKIN
PE0/FSMC_NBL0
R36C
100 ohm
52
SHIFT_CLK
PB13/TIM1_CH1N
PE1/FSMC_NBL1
53
BUTTONS_IN
PB14/TIM1_CH2N
PE2/FSMC_A23
R36D
100 ohm
54
LEDS_OUT
PB15/TIM1_CH3N
PE3/FSMC_A19
PE4/FSMC_A20
PE5/FSCM_A21
+VDDA
PE6/FSMC_A22
21
VREF+
PE7/FSMC_D4
20
VREF-
PE8/FSMC_D5
PE9/FSMC_D6
PE10/FSMC_D7
PE11/FSMC_D8
73
NC
PE12/FSMC_D9
PE13/FSMC_D10
PE14/FSMC_D11
14
STM_RST
RST
PE15/FSMC_D12
94
BOOT0
VSS
VSS
C17
R43
10K
0.1uF
TP11
GND
GND
+5VUNREG
220K
STM_RST
R112
10K
R27
10K
Q8
MBT4401
Q9
MBT4401
C78
BACKLIGHT_ON
1uF
BACKLIGHT_OFF
GND
GND
GND
+3V3
LED_OFF
U9E
74HC02
C30
LED_ON
0.1uF
EXT_PSU
EXT_CHARGER
GND
2
3
4
3
Unused devices will be detailed after layout
0.1uF
0.1uF
0.1uF
DATA[0..7]
0.1uF
DATA[0..7]
0.1uF
10uF
KBD_COL[0..11]
GND
15
DATA0
16
DATA1
17
DATA2
18
DATA3
33
DATA4
34
DATA5
63
DATA6
64
DATA7
65
FOOTSWITCH
66
FOOTSWITCH2
78
EXT_PSU
79
EXT_CHARGER
80
VBUS_SENSE
7
R1001
DNS 0 ohm
8
R1002
DNS 0 ohm
9
R1003
DNS 0 ohm
STUFFING OPTION FOR
PRODUCT IDENTIFICATION
DO NOT STUFF
81
N/C
82
GND
N/C
83
USB_CONNECT
84
R49A
100 ohm
EXT0
85
R49B
100 ohm
EXT1
86
R49C
100 ohm
EXT2
87
R49D
100 ohm
EXT3
88
R50
100 ohm
EXT4
55
TO_KEYBED
56
FROM_KEYBED
57
KEYBED_BOOTCLAMP
R3
0 ohm
58
N/C
59
KEYBED_CLK
R113
100 ohm
60
KEYBED_RESET.
R71
1K
61
KEYBED_BOOT0
62
KEYBED_BOOT1
KEYBED_BOOT1
100 ohm
97
R103C
PAD_SCAN0
R103D
100 ohm
98
PAD_SCAN1
1
R103B
100 ohm
PAD_SCAN2
2
R103A
100 ohm
PAD_SCAN3
3
R104D
100 ohm
ANALOG_SELECT0
4
R104C
100 ohm
ANALOG_SELECT1
R104B
100 ohm
5
ANALOG_SELECT2
38
R89D
100 ohm
ANALOG_SELECT3
39
+3V3
FS2_DETECT
40
N/C
41
CHECK_POWER
42
N/C
43
BACKLIGHT_ON
R1008
44
BACKLIGHT_OFF
DNS 10k
45
LED_ON
46
LED_OFF
+3V3
+3V3
R116
10K
11
8
A
10
12
U9C
Y
9
B
74HC02
5
A
4
3
U9B
Y
6
B
2
74HC02
Q1
MBT4401
R72
220K
R87
220K
DRAWN:
DRAWN_BY_1
RELEASED:
GND
GND
GND
4
5
2
UNUSED
LTR
ECO NO:
R104A
100 ohm
+3V3
C63
0.1uF
C73
0.1uF
C39
0.1uF
C71
0.1uF
C52
0.1uF
KBD_COL[0..11]
C53
10uF
U7
GND
GND
R2
VDD
VDD
0 ohm
CLK
5
KBD_ROW[0..15]
PD0-OSC_IN
6
18
KBD_ROW0
N/C
PD1-OSC_OUT
PB0
19
KBD_ROW1
PB1
KBD_COL0
10
20
KBD_ROW2
PA0-WKUP
PB2/BOOT1
KBD_COL1
11
39
KBD_ROW3
PA1
PB3
KBD_COL2
12
40
KBD_ROW4
PA2
PB4
KBD_COL3
13
41
KBD_ROW5
PA3
PB5
KBD_COL4
14
42
KBD_ROW6
PA4
PB6
KBD_COL5
15
43
KBD_ROW7
PA5
PB7
KBD_COL6
16
PA6
KBD_COL7
17
45
KBD_ROW8
PA7
PB8
STM32F100C4T6
46
KBD_ROW9
PB9
KBD_COL8
29
21
KBD_ROW10
PA8
PB10
FROM_KEYBED
30
22
KBD_ROW11
PA9
PB11
TO_KEYBED
31
25
KBD_ROW12
PA10
PB12
KBD_COL9
32
26
KBD_ROW13
PA11
PB13
KBD_COL10
33
27
KBD_ROW14
PA12
PB14
KEYBED_SWDIO
34
28
KBD_ROW15
PA13
PB15
KEYBED_SWCLK
37
PA14
KBD_COL11
38
2
PA15
PC13-TAMPER-RTC
3
PC14-OSC32_IN
KEYBED_RESET
7
4
NRST
PC15-OSC32_OUT
KEYBED_BOOT0
44
BOOT0
VSS
VSS
R48
C36
R1
470K ohm
10K
0.1uF
GND
GND
+3V3
+3V3
J501
1
R7A
2.7K(DNS)
KBD_ROW0
1
2
2
N/C
3
R7B
2.7K(DNS)
KBD_ROW1
3
4
4
5
R7C
2.7K(DNS)
KBD_ROW2
N/C
5
6
6
KEYBED_SWDIO
7
R7D
2.7K(DNS)
KBD_ROW3
7
8
8
KEYBED_SWCLK
9
R23A
2.7K(DNS)
KBD_ROW4
9
10
10
DEV 10k
R505
11
R23B
2.7K(DNS)
KBD_ROW5
11
12
12
13
R23C
2.7K(DNS)
KBD_ROW6
N/C
13
14
14
KEYBED_RESET
15
R23D
2.7K(DNS)
KBD_ROW7
15
16
16
DEV 10k
R506
17
17
18
18
DEV 10k
R507
19
19
20
20
DIP10*2P2.54
GND
R24A
2.7K(DNS)
KBD_ROW8
GND
R24B
2.7K(DNS)
KBD_ROW9
FOR DEVELOPMENT ONLY
R24C
2.7K(DNS)
KBD_ROW10
R24D
2.7K(DNS)
KBD_ROW11
R25A
2.7K(DNS)
KBD_ROW12
R25B
2.7K(DNS)
KBD_ROW13
R25C
2.7K(DNS)
KBD_ROW14
R25D
2.7K(DNS)
KBD_ROW15
POWER MANAGEMENT
U9D
A
13
Y
BACKLIGHT_EN
B
74HC02
Copyright
COMPANY:
AKAI
B
1
U9A
Y
LED_EN
A
TITLE:
74HC02
TITLE_MAIN
MICRO & FPGA
PART NUMBER:
PART_NUMBER
ASSY NUMBER:
ASSEMBLY_NUMBER
DATED:
Last Saved Date
FILENAME:
File Name
DATED:
SCALE:
5
6
1
REVISION RECORD
APPROVED:
DATE:
A
D
KEYBED_BOOT1
KBD_ROW[0..15]
STUFFING OPTION FOR
PRODUCT IDENTIFICATION
R1004
DNS 0 ohm
R1005
DNS 0 ohm
R1006
DNS 0 ohm
DO NOT STUFF
GND
B
KEYBED
C
KBD_COL[0..11]
J10
KBD_COL0
1
1
KBD_ROW0
2
2
KBD_COL1
3
3
KBD_ROW1
4
4
KBD_COL2
5
5
KBD_ROW2
6
6
KBD_COL3
7
7
KBD_ROW3
8
8
KBD_COL4
9
9
KBD_ROW4
10
10
KBD_COL5
11
11
KBD_ROW5
12
12
KBD_COL6
13
13
KBD_ROW6
14
14
KBD_COL7
15
15
KBD_ROW7
16
16
KBD_COL8
17
17
18
NC
18
KBD_COL9
19
19
20
NC
20
J11
KBD_COL0
1
1
KBD_ROW8
2
2
KBD_COL1
3
3
KBD_ROW9
4
4
KBD_COL2
5
5
KBD_ROW10
6
6
KBD_COL3
7
B
7
KBD_ROW11
8
8
KBD_COL4
9
9
KBD_ROW12
10
C
10
KBD_COL5
11
11
KBD_ROW13
12
12
KBD_COL6
13
13
KBD_ROW14
14
14
KBD_COL7
15
15
KBD_ROW15
16
16
KBD_COL8
17
17
KBD_COL11
18
18
KBD_COL9
19
19
KBD_COL10
20
20
A
D
REV:
REV
SIZE:
C
SHEET:
Sheet Number
OF
Number of Sheets
6
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