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1
A
JP100
KBD_ROW0
1
2
KBD_ROW1
3
4
KBD_ROW2
B
5
6
KBD_ROW3
7
8
KBD_ROW4
9
10
KBD_ROW5
11
12
KBD_ROW6
13
14
KBD_ROW7
15
16
HEADER 8X2
C150
C151
C152
C153
C154
C155
C156
C157
TO 24KEY
47pF
47pF
47pF
47pF
47pF
47pF
47pF
47pF
GND
JP101
KBD_ROW8
1
2
KBD_ROW9
3
4
KBD_ROW10
5
6
KBD_ROW11
7
8
KBD_ROW12
9
10
KBD_ROW13
11
12
KBD_ROW14
13
14
KBD_ROW15
15
16
HEADER 8X2
TO 25KEY
C
D
1
2
3
+3V3
RP100
RP101
RP102
RP103
10K(No stuff)
10K(No stuff)
10K(No stuff)
10K(No stuff)
C158
C159
47pF
C160
47pF
C161
47pF
C162
47pF
C163
47pF
C164
47pF
C165
47pF
C166
47pF
C167
47pF
C168
47pF
C169
47pF
C170
47pF
C171
47pF
C172
47pF
C173
47pF
GND
47pF
KBD_COL0
KBD_ROW0
KBD_COL1
KBD_ROW1
KBD_COL2
KBD_COL0
KBD_ROW2
KBD_COL1
KBD_COL3
KBD_COL2
KBD_ROW3
KBD_COL3
KBD_COL4
KBD_COL4
KBD_ROW4
KBD_COL5
KBD_COL5
KBD_COL6
KBD_ROW5
KBD_COL7
KBD_COL6
KBD_ROW6
KBD_COL7
KBD_ROW7
KBD_COL0
KBD_ROW8
KBD_COL1
KBD_ROW9
KBD_COL2
KBD_ROW10
KBD_COL3
KBD_COL0
KBD_ROW11
KBD_COL1
KBD_COL4
KBD_COL2
KBD_ROW12
KBD_COL3
KBD_COL5
KBD_COL4
KBD_ROW13
KBD_COL5
KBD_COL6
KBD_COL6
KBD_ROW14
KBD_COL7
KBD_COL7
KBD_ROW15
2
3
4
KBD_ROW[0..15]
KBD_COL[0..7]
R159
100R
KBD_COL0
R160
100R
KBD_COL1
KBD_COL2
R161
100R
R162
100R
KBD_COL3
R163
100R
KBD_COL4
R164
100R
KBD_COL5
R165
100R
KBD_COL6
KBD_COL7
R166
100R
R168
100R
FROM_KBD
FROM_KBD
R169
0R
TO_KBD
TO_KBD
R172
0R
KBD_SWDIO
R173
0R
KBD_SWCLK
KBD_ROW0
R500
100R
100R
KBD_ROW1
R501
100R
KBD_ROW2
R502
R503
100R
KBD_ROW3
100R
KBD_ROW4
R504
KBD_ROW5
R505
100R
100R
KBD_ROW6
R506
100R
KBD_ROW7
R507
R508
100R
KBD_ROW8
100R
KBD_ROW9
R509
KBD_ROW10
R510
100R
100R
KBD_ROW11
R511
100R
KBD_ROW12
R512
R513
100R
KBD_ROW13
100R
KBD_ROW14
R514
KBD_ROW15
R515
100R
R175
KBD_BOOT1
KBD_BOOT1
0R
4
5
+3V3
C116
104
C117
104
C118
104
C119
104
C141
C120
104
106
U103
PLACE 4U7 CAP ON VDD_3
10
PA0
11
PA1
12
PA2
13
PA3
14
PA4
15
PA5
16
PA6
17
PA7
29
PA8
30
44
PA9
BOOT0
31
7
PA10
NRST
32
PA11
33
2
R176
0R(No stuff)
PA12
PC13-TAMPER-RTC
34
3
R177
0R(No stuff)
PA13
PC14-OSC32_IN
37
4
R178
0R
PA14
PC15-OSC32_OUT
38
PA15
5
KBD_CLK
PD0-OSC_IN
KBD_CLK
18
6
PB0
PD1-OSC_OUT
19
PB1
20
PB2
39
PB3
40
PB4
41
PB5
42
PB6
43
PB7
45
PB8
46
PB9
21
PB10
22
PB11
25
PB12
26
PB13
27
PB14
28
PB15
STM32F100C4T6
+3V3
J105
R197
1
2
10K(No stuff)
3
4
5
6
CN101
KBD_SWDIO
7
KBD_RESET#
8
4
KBD_SWCLK
KBD_SWCLK
9
3
KBD_SWDIO
10
2
R156
11
1
12
10K
SIP4(No stuff)
13
14
SW_JATG
KBD_RESET#
15
16
R157
10K
17
18
19
20
R158
10K
Title
Size
Number
C
Date:
2019/5/22
File:
G:\
5
6
A
B
KBD_BOOT0
KBD_BOOT0
KBD_RESET#
KBD_RESET#
R182 1.1K
C121
R153
R154
104
10K
10K
C
D
Revision
Sheet of
\..\keybed_scan_mcu.sch
Drawn By:
6
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