1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 12/07/2022 Sheet of
File: C:\Users\..\MCU.SchDoc Drawn By:
TEMP
1
RPOG
2
GND
3
VCC
4
CE
8
CHRG
6
STDBY
7
BAT
5
U5
TP4056
+5V
C31
10uF/25V
R35
10K
C29
10uF/25V
R36
1K
VCC
GND
B1
VBUS
B4
CC
B5
D+
B6
D-
B7
RFU1
B8
GND
A1
VBUS
A4
CC
A5
D+
A6
D-
A7
RFU1
A8
B12B9 A9A12
A1 A4 B4B1
P10
TYPE-C
D-
D+
R41
5.1K
R38
5.1K
C32
10uF/25V
+5V
R37
10K
D1
RED
US2_RXD
US2_TXD
PC14
PC15
CLK_SEL
PWDN/RESET
START
SPI1_SCLK
SPI1_MOSI
SPI1_NSS
SPI1_MISO
ADC_DRDY
1
2
3
4
5
6
SWD1
Header 6
SWDIO
SWCLK
NRST
UD+
1
UD-
2
GND
3
R T S#
4
VCC
5
TXD
6
RXD
7
V3
8
U6
CH340N
C34
100nF
D+
D-
RXD
TXD
US1_TXD
US1_RXD
+5V
SWO
DGND
DGND
DGND
DGND
DGND
DGND
1
2
3
P9
Header 3
1 3
2
K1
SW-1P2T-2.0
34
1
R
G
2
L D1
C36
1uF/50V
VCC
C37
1uF/50V
DGND
VDD
VIN
1
GND
2
EN
3
VOUT
5
NC
4
U8
LD50X
DGND
C33
10uF/25V
C30
100nF
DGND
1
2
3
4
5
6
7
8
9
10
11
12
P11
Header 12
DGND
DGND
DGND
V-
S1
S2
D
VDD
VSS
U7
DW06D
R40
1K
R39
100R
BT1
14500 3.7V Li-ion
C35
100nF/50V
GND
DGND
1
VDD
2
DGND
3
VDD
4
DGND
5
SWO
6
DGND
7
SWCLK
8
NRST
9
SWDIO
10
US2_TXD
11
US1_TXD
12
US2_RXD
13
US1_RXD
14
DGND
15
DVDD_EN
16
XTAL_EN
17
AVDD_EN
18
DOUT
19
GPIO1
20
CS
21
GPIO2
22
DIN
23
START
24
SCLK
25
PWDN/RST
26
DRDY
28
CLK_SEL
27
U9
STM32G070RBTX (X4621FVS-2x07-C43D65*2)
VDD
VDD
CLK_SEL
PWDN/RESET
START
XTAL_EN
SPI1_SCLK
SPI1_MOSI
SPI1_NSS
SPI1_MISO
ADC_DRDY
PC14
PC15
C38
10uF/25V
R42 499R
R43 499R
R44 499R
R45 499R
US1_TXD
US1_RXD
US2_RXD
US2_TXD
PC12
PC10
US2_TXD
1
US2_RXD
2
NC
3
NC
4
NC
5
NC
6
VDD
7
GND
8
U10
FIDC2706(08JQ-BT)
C39
10uF/25V
VDDDGND
DGND
DGND
D
S
G
T1
NCE3416
R60
1K
C63
10nF
C62
100nF/50V
VDD
1
2
3
4
5
6
7
8
9
10
11
12
P24
Header 12
DGND
PIBT101
PIBT102
COBT1
PIC2901
PIC2902
COC29
PIC3001
PIC3002
COC30
PIC3101
PIC3102
COC31
PIC3201
PIC3202
COC32
PIC3301
PIC3302
COC33
PIC3401
PIC3402
COC34
PIC3501
PIC3502
COC35
PIC3601
PIC3602
COC36
PIC3701
PIC3702
COC37
PIC3801
PIC3802
COC38
PIC3901
PIC3902
COC39
PIC6201
PIC6202
COC62
PIC6301
PIC6302
COC63
PID101
PID102
COD1
PIK101
PIK102
PIK103
COK1
PILD101
PILD102
PILD103
PILD104
COLD1
PIP901
PIP902
PIP903
COP9
PIP100A1
PIP100A4
PIP100A5
PIP100A6
PIP100A7
PIP100A8
PIP100B1
PIP100B4
PIP100B5
PIP100B6
PIP100B7
PIP100B8
COP10
PIP1101
PIP1102
PIP1103
PIP1104
PIP1105
PIP1106
PIP1107
PIP1108
PIP1109
PIP11010
PIP11011
PIP11012
COP11
PIP2401
PIP2402
PIP2403
PIP2404
PIP2405
PIP2406
PIP2407
PIP2408
PIP2409
PIP24010
PIP24011
PIP24012
COP24
PIR3501
PIR3502
COR35
PIR3601
PIR3602
COR36
PIR3701
PIR3702
COR37
PIR3801
PIR3802
COR38
PIR3901
PIR3902
COR39
PIR4001
PIR4002
COR40
PIR4101
PIR4102
COR41
PIR4201
PIR4202
COR42
PIR4301
PIR4302
COR43
PIR4401
PIR4402
COR44
PIR4501
PIR4502
COR45
PIR6001
PIR6002
COR60
PISWD101
PISWD102
PISWD103
PISWD104
PISWD105
PISWD106
COSWD1
PIT101
PIT102
PIT103
COT1
PIU501
PIU502
PIU503
PIU504
PIU505
PIU506
PIU507
PIU508
COU5
PIU601
PIU602
PIU603
PIU604
PIU605
PIU606
PIU607
PIU608
COU6
PIU701
PIU702
PIU703
PIU704
PIU705
PIU706
COU7
PIU801
PIU802
PIU803
PIU804
PIU805
COU8
PIU901
PIU902
PIU903
PIU904
PIU905
PIU906
PIU907
PIU908
PIU909
PIU9010
PIU9011
PIU9012
PIU9013
PIU9014
PIU9015
PIU9016
PIU9017
PIU9018
PIU9019
PIU9020
PIU9021
PIU9022
PIU9023
PIU9024
PIU9025
PIU9026
PIU9027
PIU9028
COU9
PIU1001
PIU1002
PIU1003
PIU1004
PIU1005
PIU1006
PIU1007
PIU1008
COU10
POADC0DRDY
POCLK0SEL
POD0
POPC10
POPC12
POPC14
POPC15
POPWDN0RESET
POSPI10MISO
POSPI10MOSI
POSPI10NSS
POSPI10SCLK
POSTART
POUS10RXD
POUS10TXD
POUS20RXD
POUS20TXD
POXTAL0EN
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 12/07/2022 Sheet of
File: C:\Users\..\PACE.SchDoc Drawn By:
C43
10uF/25V
GND
R51
20K
R4
1R
OP+
PACE
R53
100K
C49
100nF
OP+
GND
4
3
1
6 2
5
U11
OPA506
GND
R7
100K
R46
499R
C46
1uF/50V
R15
100K
R9
100K
GND
C44
100pF/C0G
RPACE+
RPACE-
1
AVSS
GND
C54
100pF/C0G
GND
R50
121K
C57
100pF/C0G
GND
C52
100nF
GND
OP+
GND
4
3
1
62
5
U13
OPA506
C58
1.2nF/C0G
C55
1nF/C0G
C56
1nF/C0G
C53
100nF
GND
OP+
GND
4
3
1
62
5
U14
OPA506
GND
RLDREF
RLDREF
R52
75K
R54
10K
C59
1nF/C0G
GND
R56
10K
GND
4
3
1
62
5
U12
OPA506
GND
R47
10K
C51
10nF
GND
C48
10nF
R49
10K
C45
100nF
GND
OP+
C47
100nF
GND
R21
2
3
1
V+V-
84
IC1A
TP2012
5
6
7
V+V-
84
IC1B
TP2012
C50
100nF
GND
R48
1R
R55
20K
RLDREF
C60
100pF/C0G
PACEOUT
1
PACE_FLT
OP+
RPACE+
RPACE-
GND
DGND
1
PACE_PULS
1
PACE_RST
R58
100K
DGND
R57
20K
AV DD
VREFP
RLDREF_OU T
PACE_PGA
PACE_PULS
PACE_RST
C64
100nF
DGND
R61
1R
74VCC
5
6
4
IC2B
74HC02MTCX
11
12
13
IC2D
74HC02MTCX
8
9
10
IC2C
74HC02MTCX
2
3
1
IC2A
74HC02MTCX
1
RPACE+
1
RLDREF
VDD
PIAVSS01
COAVSS
PIC4301
PIC4302
COC43
PIC4401
PIC4402
COC44
PIC4501
PIC4502
COC45
PIC4601
PIC4602
COC46
PIC4701
PIC4702
COC47
PIC4801
PIC4802
COC48
PIC4901
PIC4902
COC49
PIC5001
PIC5002
COC50
PIC5101
PIC5102
COC51
PIC5201
PIC5202
COC52
PIC5301
PIC5302
COC53
PIC5401
PIC5402
COC54
PIC5501
PIC5502
COC55
PIC5601
PIC5602
COC56
PIC5701
PIC5702
COC57
PIC5801
PIC5802
COC58
PIC5901
PIC5902
COC59
PIC6001
PIC6002
COC60
PIC6401
PIC6402
COC64
PIIC101
PIIC102
PIIC103
PIIC104
PIIC108
COIC1A
PIIC104
PIIC105
PIIC106
PIIC107
PIIC108
COIC1B
PIIC201
PIIC202
PIIC203
COIC2A
PIIC204
PIIC205
PIIC206
COIC2B
PIIC208
PIIC209
PIIC2010
COIC2C
PIIC2011
PIIC2012
PIIC2013
COIC2D
PIPACE0FLT01
COPACE0FLT
PIPACE0PULS01
COPACE0PULS
PIPACE0RST01
COPACE0RST
PIR401
PIR402
COR4
PIR701
PIR702
COR7
PIR901
PIR902
COR9
PIR1501
PIR1502
COR15
PIR2101
PIR2102
PIR2103
COR21
PIR4601
PIR4602
COR46
PIR4701
PIR4702
COR47
PIR4801
PIR4802
COR48
PIR4901
PIR4902
COR49
PIR5001
PIR5002
COR50
PIR5101
PIR5102
COR51
PIR5201
PIR5202
COR52
PIR5301
PIR5302
COR53
PIR5401
PIR5402
COR54
PIR5501
PIR5502
COR55
PIR5601
PIR5602
COR56
PIR5701
PIR5702
COR57
PIR5801
PIR5802
COR58
PIR6101
PIR6102
COR61
PIRLDREF01
CORLDREF
PIRPACE001
CORPACE0
PIU1101
PIU1102
PIU1103
PIU1104
PIU1105
PIU1106
COU11
PIU1201
PIU1202
PIU1203
PIU1204
PIU1205
PIU1206
COU12
PIU1301
PIU1302
PIU1303
PIU1304
PIU1305
PIU1306
COU13
PIU1401
PIU1402
PIU1403
PIU1404
PIU1405
PIU1406
COU14
POPACE0PGA
POPACE0PULS
POPACE0RST
PORLDREF0OUT
POVREFP