STM32G0-SO8-DISCO
MB1454

Table of contents
Sheet 1: Project overview (this page)

LegendGeneral comment such as function title, configuration, ...

Sheet 2: Top

Text to be added to silkscreen.

Sheet 3: STM32G0 SO8 microcontroller

Warning text.

Sheet 4: ST-LINK/V2-1
Sheet 5: MechanicalNotes to generate theboard layout.

OPEN PLATFORM LICENSE AGREEMENTThe Open Platform License Agreement (“Agreement”) is a binding legal contract between you ("You")and STMicroelectronics International N.V. (“ST”), a company incorporated under the laws of the
U_MB1454_Top
MB1454_Top.SchDocNetherlands acting for the purpose of this Agreement through its Swiss branch 39, Chemin duChamp des Filles, 1228 Plan-les-Ouates, Geneva, Switzerland.
By using the enclosed reference designs, schematics, PC board layouts, and documentation, in hardcopy
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Title: Project overview
Project: STM32G0-SO8-DISCO
Variant: G031J6
Revision: B -02
Size: A4
Date: 1903/2019

Reference: MB1454
Sheet: 1 of 5

U_STM32G0_SO8_microcontroller
STM32G0_SO8_microcontroller.SchDoc

U_ST_LINK_V2_1
ST_LINK_V2_1.SCHDOC

T_JTCK
T_JTMS

T_JTCK
T_JTMS

T_NRST

T_NRST

Mechanical
Mechanical.SchDoc

Title: Top hierarchical view
Project: STM32G0-SO8-DISCO
Variant: G031J6
Revision: B -02Size: A4
Date: 1903/2019

Reference: MB1454
Sheet: 2 of 5STM32G031Jx BREAKABLE MODULE

VDD

NLPC14PC142PIU502

NLT0NRSTT_NRST

VDD

COU5U51PIU501
PB7/PB8/PB9/PC14

PA14/PB5/PB6

NLT0JTCK8
T_JTCK
PIU508

7PA13 PIU507

VDD

3PIU503

VSS

4PIU504

PA0/PA1/PA2/PF2PA12PC14NLT0JTMS
T_JTMS

COCN4CN41
PICN401
18
T_JTCK
8 PICN408

227
T_JTMS
7 PICN407

36PA126 PICN406

4PICN404
45PA85 PICN405

PICN402

NLPA126PA12PIU506

3PICN403

NLPA85PA8PA8/PA11/PB1 PIU505

T_NRSTSTM32G031J6M6

DIL8-LYCONN--7.40X1.83
VDD

PIC1502
PIC1402
COC15COC14C15C14PIC1501 4.7uF PIC1401 100nF

Decoupling capacitors have to be as
close as possible from the pins.

Ceramic capacitor (Low ESR, ESR<1ohm)

DIL8 SOCKET
VDD

COCN3CN31PICN301

2PICN302
3PICN303

T_NRST

POT0NRSTT_NRST

4PICN304

18
T_JTCK
8 PICN308

POT0JTCK
T_JTCK277T_JTMS
PICN307

POT0JTMS
T_JTMS

36PA126 PICN30645COR15R15PIR1501

PIR1502510R

5PICN305

COLD2LD2PILD201

PILD202

GREEN

STM8-MODULE-DIL8-SOCKETPIB10 PIB102
COB1B1SW_BLUE

BLUE HATUSER

PIC1302
COC13C13PIC1301 100nF

34PIB103 PIB104

112COHW12HW12PIU401
COU4U4ESDALC6V1-1U22PIU402

GROUND TESTPOINT
COCN6CN6
PICN601PICN602

COCN8CN8PICN801PICN802

COHW7HW7HW8
COHW8COCN5CN5PICN501PICN502

COCN7CN7PICN701PICN702

COHW9HW9HW10COHW10Title: STM32G0 SO8 microcontroller
Project: STM32G0-SO8-DISCO
Variant: G031J6
Revision: B -02
Reference: MB1454
Size: A4
Date: 1903/2019
Sheet: 3 of 5ST-LINK MCU

3V3_STLKPIC802

COC10C10PIR902

COC8C8COR9R9COR10R10PIR1001

PIR1002

PIR901
PWR_EXT100K
3V3_STLK
Board Ident: PC13=0
COR11
R11 PIR1102
10K
PIR1101

484746454443424140393837

PIC1101 PIC1102

1PIX10COX1PIX102
2X1NX3225GD-8.00M

COC12C12
PIC1201 PIC120210pF

PISB102

PIC902
3V3_STLKCOC9COSB1C9SB1PISB101
PIC901 100nFCOR13R13PIR1301

COR14R14PIR1401

1PIU301
VBAT2PIU302
PC133PIU303
PC144PIU304 PC15NLOSC0IN
5OSC_IN PIU305
OSCIN
NLOSC0OUT
6OSC_OUTPIU306
OSCOUTNLSTLK0RST7STLK_RSTPIU307
NRST8PIU308
VSSA
9PIU309 VDDANLAIN01
4K710AIN_1 PIU3010
PIR1302
PA011PIU3011
PA14K712PIR1402
PIU3012 PA22 PICN202
4 PICN204

135COU3U3STM32F103CBT6ST-LINK LED
3V3_STLKCOLD1LD1COR3R3PIR301

34PIR302
PILD103PILD104330R

COR4R4PIR401

2PIR402PILD1021PILD101330R

POT0JTMS
T_JTMSCOM LEDCOM

POT0JTCK
T_JTCK

PIR602

COR6R6100R

NLT0SWDIO0IN
T_SWDIO_IN

TARGET POWER

PIR601

COHW11HW11131415161718192021222324
T_JTCK
T_JTDO
T_JTDI
T_NRST

PICN203

Header STLINK36
VDD_2 PIU3036
3V3_STLK35
VSS_2 PIU3035NLSTLK0SWDIO
34 STLK_SWDIOPIU3034
JTMS/SWDIO
33 STLK_USB_D_P
PA12 PIU3033
32 STLK_USB_D_N
PA11 PIU3032
31
PA10 PIU3031NLSTLK0LED
30 STLK_LED
PA9 PIU3030
29PA8 PIU3029
28PB15 PIU3028NLT0JTMS
27 T_JTMS
PB14 PIU3027
26 T_JTCKPB13 PIU302625PB12 PIU3025

PIU301 PIU3014 PIU3015 PIU3016 PIU3017 PIU3018 PIU3019 PIU302 PIU3021 PIU302 PIU302 PIU3024
NLT0JTCK NLT0JTDONLT0JTDI NLT0NRSTPICN201

PICN205

VDD_3
VSS_3
PB9PB8BOOT0
PB7PB6PB5PB4/JNTRSTPB3/JTDO
PA15/JTDI
JTCK/SWCLK

COC11C1110pF

NLUSB0RENMn LSTK0WCL

PIU3048 PIU3047 PIU3046 PIU3045 PIU304 PIU304 PIU3042 PIU3041 PIU304 PIU309 PIU308 PIU30710K

PIR1202

STLK_SWDIOSTLK_SWCLKPA3PA4PA5PA6PA7PB0PB1PB2/BOOT1PB10PB11VSS_1
VDD_1

COR12R12PIR1201

3V3_STLKCOCN2CN24K7USB_RENUMn
STLK_SWCLKPIC10 2COC4C4Red

PIC402COC3C3PIC301 100nF PIC401 100nF PIC10 1 100nF PIC801 100nF

Green

PIC302

ST-LINK SWD INTERFACE

3V3_STLK

VDD

COJP1JP13V3_STLKPIJP101PIJP102

Shunt Fitted
IDD

POT0NRSTT_NRST

ST-LINK USB CONNECTOR

IDD Measurement

3.3 VOLTS POWER SUPPLY FOR ST-LINK AND TARGET

5V_USB_CHGR

COU2U2LDK120M33R

5V_USB_CHGR1VBUS PICN1012DM PICN1023DP PICN1034ID PICN1045GND PICN1056Shield PICN1067Shield PICN1078Shield PICN1089Shield PICN10910EXP PICN1010
11EXP PICN1011

USB_uB_105017-0001
STLKDiff pair 90 Ohmii
Diff pair 90 Ohm

PIR102COR1R1100K

PIR101COU1U11IO12PIU102 GND
3PIU103 IO2PIU101

6IO_1 PIU106
5VBUS PIU105
4IO_2 PIU104

1PIU201 Vin
3
PIU203 EN

NLSTLK0USB0D0N
STLK_USB_D_N
NLSTLK0USB0D0P
STLK_USB_D_P
COR2R2PIR201

1K5 23PIR202
PIQ102

3V3_STLKPIQ103

PIQ101USB_Micro-B receptacle

COCN1CN1PIC102
PIC202COC1COC2C1C2PIC101 100nF PIC201 1uF

2PIU202

GNDVout

3V3_STLK
5PIU205

4BYPASS PIU204

PIC502
PIC602
PIC702COC5COC6COC7C5C6C7PIC501 10nF PIC601 1uF PIC701 100nF

COQ1
Q19013-SOT23

5V_USB_CHGR

3.3VDC / 0.2A max

COR5R5PIR501

USBLC6-2P6R7COR7
PIR70136K

10K

PIR502

R8COR8PIR702

PIR801

PIR802

100R

5V_USB_CHGR
USB_RENUMn

Title: ST-LINK/V2 SWD mode
Project: STM32G0-SO8-DISCO
Variant: G031J6
Revision: B -02
Size: A4
Date: 1903/2019

Reference: MB1454
Sheet: 4 of 5

COHW4
HW4

COHW3
HW3
BOARD REF

BOARD CPN

MB1454B-02 syywwxxxxx

STM32G0-SO8-DISCO

COHW100
HW100
PCB
MB1454B

COHW1
HW1

COHW5
HW5

COHW2
HW2

COHW6
HW6

LOGO ST

LOGO CE

LOGO ESD LOGO ROHS

Title: Mechanical
Project: STM32G0-SO8-DISCO
Variant: G031J6
Revision: B -02
Size: A4
Date: 1903/2019

Reference: MB1454
Sheet: 5 of 5

PACN602 PACN601 PACN108 PACN1011 PACN1010 PACN109 PACN501 PACN502
COCN1 PACN107COHW3
PACN105 PACN104 PACN103 PACN102 PACN10 PACN106
COM1COCN5COCN6COLD1PALD104 PALD101

PAQ102

PAQ103PAR302
PAR301COU1

PAQ101 COQ1

PAR402
PAR401

PAR502 PAR501

COR3 COR4
COR7

COCN2

PAU103 PAU102 PAU101
PAU104 PAU105 PAU106

COR2 PAR202 PAR201

PALD103 PALD102

PAM101 PACN205
PACN204 PACN203
PACN202 PACN201

COHW2

PAR101 PAR102

COR1

COC3PAC302 PAC301

PAR702 PAR701

COHW4COR6COR5COC1COU2COR9 PAU3037

PAU3024

PAU3038
PAU3039
PAU3040

PAU3023
PAU3022
PAU3021

PAU3041

PAU3020

COR10PAR1001 PAR1002
PAC801
PAC802

PAU203 PAU202 PAU201

PAR601COU3PAU30 6 PAU30 5 PAU30 4 PAU30 3 PAU30 2 PAU30 1 PAU30 PAU3029 PAU3028PAU3027 PAU3026 PAU3025

COR8PAR801 PAR802
PAR902 PAR901

COC2PAC102 PAC101 PAC201 PAC202

PAR602

PAU3042
PAU3043

PAU3019
PAU3018

PAU3044

PAU3017

PAU3045
PAU3046
PAU3047
PAU3048

PAU3016
PAU3015
PAU3014
PAU3013

COC8PAU204 PAU205

PAC402 PAC502 PAC602 PAC702
PAC401 PAC501 PAC601 PAC701

COC4 COC5 COC6 COC7COC9PAC902 PAC901

PAU301 PAU302 PAU303 PAU304 PAU305 PAU306 PAU307 PAU308 PAU309PAU301 PAU301 PAU3012
PASB102

COR1

COX1COR12
PAR1102 PAR1202
PAR1101 PAR1201

PAC1102

COC11 PAC1101

COC10 PAC1001 PAC1002

COC12PAR1302 PAR1402
PAR1301 PAR1401

PAX101 PAX102 COR13 COR14
PAC1202

PAC1201

PACN301
PACN302
PACN303
PACN304

PAJP102
PAJP101

PACN308
PACN307
PACN306
PACN305

COHW1

COHW5

COJP1PASB101

COSB1

COCN3

COU4 COC13
PAU401
PAU402

PAC1302COHW6

PAB102 COR15

PAB101

PAR1501
PAR1502

PALD201

PAC1301

PALD202

PAM201 PAB103

PAB104 COLD2COCN8COM2COCN7COB1

PACN802 PACN801 COA1

PACN701 PACN702
PAA105 PAA104 PAA103 PAA102 PAA101

PAA106

PAA107COCN4

PACN408
PACN401
PAU508 PAU507 PAU506 PAU505
PACN402
PACN407
PACN403 PAU501 PAU502 PAU503 PAU504 PACN406
PACN404
COC14 PACN405
COU5

PAC1402 PAC1401

COC15 PAC1502 PAC1501

205NCAP 105NCAP 901NCAP 0101NCAP 1101NCAP 801NCAP 106NCAP 206NCAP
3WHOC
601NCAP 101NCAP 201NCAP 301NCAP 401NCAP 501NCAP 701NCAP 1NCOC
5NCOC1MOC

6N1CDOLCOC

502NCAP 101MAP 2WHOC
101DLAP 401DLAP201RAP 101RAP
101UAP 201UAP 301UAP 102RAP 202RAP
302NCAP 402NCAP
201DLAP 301DLAP
601UAP 501UAP 401UAP 201QAP
102NCAP 202NCAP301QAP
2NCOC

1ROC

2ROC

1UOC

2COC
1COC
202CAP 102CAP 101CAP 201CAP
206RAP

102UAP 202UAP 302UAP
502UAP 402UAP

1QOC

106RAP

101QAP

4WHOC 105RAP 205RAP

6ROC

4ROC 3ROC

5ROC

3COC

5203UAP 6203UAP 7203UAP 8203UAP 9203UAP 03 UAP 130 UAP 230 UAP 3 03UAP 430 UAP530 UAP 630 UAP

8ROC

208RAP 108RAP
7303UAP

9ROC

3203UAP
2203UAP
1203UAP

8303UAP
9303UAP
0403UAP

109RAP 209RAP

0203UAP109CAP 209CAP

107RAP 207RAP

4203UAP

7COC 6COC 5COC 4COC 9103UAP
9COC

7ROC

103CAP 203CAP

3UOC

2UOC

207CAP 206CAP 205CAP 204CAP
107CAP 106CAP 105CAP 104CAP

203RAP
103RAP

204RAP
104RAP

01ROC

1403UAP

8103UAP

2403UAP
3403UAP

7103UAP

4403UAP

6103UAP
5103UAP
4103UAP
3103UAP

5403UAP
6403UAP
7403UAP
8403UAP

2001RAP 1001RAP
108CAP
208CAP

8COC

2103UAP 1 03UAP 01 3UAP 903UAP 803UAP 703UAP 603UAP 503UAP 403UAP 303UAP203UAP 103UAP
101BSAP

201BSAP

1BSOC

41ROC

2041RAP 2031RAP
1041RAP 1031RAP

21COC

2001CAP 1001CAP 01COC

1XOC

21ROC
2021RAP 2011RAP
1021RAP 1011RAP

1 ROC

31ROC 201XAP 101XAP 11COC
2021CAP

2011CAP

1021CAP

1011CAP

803NCAP
703NCAP
603NCAP
503NCAP

103NCAP
203NCAP303NCAP
403NCAP

1WHOC

5WHOC

201PJAP
101PJAP
1PJOC

3NCOC
1051RAP
2051RAP

6WHOC

51ROC 201BAP

101BAP 31COC 4UOC

102DLAP

2031CAP

1031CAP

202DLAP

104UAP
204UAP

301BAP 102MAP

2DL7OCNCOC401BAP

8NC2OMCOC

1BOC

207NCAP 107NCAP

1AOC
101AAP 201AAP 301AAP

701AAP

108NCAP 208NCAP

401AAP 501AAP

601AAP
4NCOC

804NCAP
104NCAP
505UAP 605UAP 705UAP 805UAP
704NCAP
204NCAP
604NCAP 405UAP 305UAP 205UAP 105UAP 304NCAP
504NCAP 41COC
404NCAP
5UOC

1041CAP 2041CAP

1051CAP 2051CAP 51COC