StarCB-STM32H757-STD Datasheet and Pinout: Difference between revisions

Latest revision as of 16:13, 7 April 2026

StarCB-STM32H757-STD Datasheet and Pinout

General description

StarCB-STM32H757-STD is a carrier board for the StarSOM-STM32H757 family of computer-on-modules, which are powered by one of the fastest MCU based on Cortex-M cores - STM32H757. A carrier board, together with a System on Module (SoM), makes a complete development platform similar to SBC. The carrier board houses the most common interfaces such as audio codec, USB, Ethernet, UART, RS485, CAN, ST-Link debugger, etc. A large variety of interfaces allows to use it as both a complete development platform or as a stand-alone end-product.
The carrier board connects with the SoM via a board-to-board, low profile connectors.

Applications

IoT Sensor Hubs
Home Appliances
IoT gateways
Protocol converters
Home Automation – Smart Home
Point-of-sales (POS) terminals
Cash Register
2D barcode scanners and printers
Smart grid infrastructure
Residential gateways
Outdoor equipment

Features

Carrier Board (Base Board) compatible with the StarSOM-STM32H757 family of modules based on STM32H757XI MCU
SoM Interface: 2x100 board-to-board connectors
Debug Interface: ST-Link (vCOM/USB)
Expansion Connectors:
- QSPI connector 2x10 Pin Header (Male)
- GPIO connector 2x20 Pin Header (Male)
Communication Connectors:
- 1x Ethernet 10/100 Mbit/s, RJ45
- 1x USB Host Type A connectors
- 1x USB OTG Micro AB connector
- 1x Console MicroUSB B connector
- 1x half-duplex RS485
- 1x CAN-FD
Display and Multimedia Interface:
- 50-pin FFC/FPC parallel RGB (up to 24 bits)
- 30-pin FFC/FPC MIPI-DSI
- codec audio
- parallel 8-bit CCD camera
User Interface:
- 4+1 Pushbuttons
- 4+1 LEDs
Expansion Connectors:
- GPIO 2x40
External Power Supply 9-12V DC
Temperature Range: 0 to +70°C
Board Size: 160mm x 100 mm x 22mm

Pictures of StarCB-STM32H757-STD board

Version	Photo
StarCB-STM32H757-STD board only
StarCB-STM32H757-STD board with StarSOM-STM32H757 installed

Ordering info

StarCB-STM32H757-STD

Block Diagram

Electrical parameters

Parameter	Value			Units	Comment
Parameter	Min.	Typ.	Max.	Units	Comment
Power Supply	9.0	12.0	15.0	V	Positive pole on central connector of J200
Supply current	-	-	0.11	A	Excluding SOM, LCD, USB and antoher external loads
GPIO voltage		3.3		V

StarSOM-STM32H757 connectors (J100, J101)

On-board ST-Link debugger (J900)

Optional JTAG connector (J903)

Notes:
1. JTAG connector pinout is compatible with Standard Cortex Debug Connector
2. The recommended 10-pin connector is a Samtec 10-pin FTSH-105-01-L-DV-007-K
3. JTAG connector pins are permanently connected to MCU JTAG lines

On-board ST-Link debugger connector matrix (J901)

SIDE	JTAG.TDI	JTAG.TDO	JTAG.TCK	JTAG.TMS	JTAG.TRST	RESET	USART1.RXD	USART1.TXD
Top	ST-LINK	ST-LINK	ST-LINK	ST-LINK	ST-LINK	ST-LINK	ST-LINK	ST-LINK
Bottom	MCU	MCU	MCU	MCU	MCU	MCU	MCU	MCU

Notes:
1. USART1 - vCOM interface implemented in ST-Link
2. JTAG signals from the MCU side are connected to optional JTAG J903 connector
3. JTAG signals from the MCU side are connected to J101 SoM connector

Recovery jumper (J803, 2.54mm)

Pin	Signal	Description
1	Recovery	SOM recovery input
2	GND

Note:
1. To start recovery procedure connect pins 1 and 2 of J803 and press RESET (red) button.

Host USB interface (J301)

Notes:
1. Connector J301 (4-pin USB-A) is connected to USB2 MCU transceiver.
2. Power Enable input of USB power switch is connected to PORTB.1.
3. Overload of power switch is indicated by the LED (D300, USB-OC) lighting.

USB-OTG interface (J300)

Notes:
1. Connector J300 (5-pin MicroUSB) is connected to USB1 MCU transceiver.
2. Power Enable input of USB power switch is connected to PORTB.2.
3. Overload of power switch is indicated by the LED (D300, USB-OC) lighting.
4. Port direction is controlled by USB1.ID line.

Battery socket (J102, CR1220)

GPIO #1 connector (J503, 2x20 gold-pin, 2.54mm)

Pin	Signal	Description
1	VDD-3V3	Power supply for external loads (up to 200 mA¹)
2	GND	-
3	LCD.B0	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
4	LCD.B1	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
5	LCD.B2	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
6	LCD.B3	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
7	LCD.B4	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
8	LCD.B5	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
9	LCD.B6	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
10	LCD.B7	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
11	LCD.G0	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
12	LCD.G1	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
13	LCD.G2	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
14	LCD.G3	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
15	LCD.G4	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
16	LCD.G5	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
17	LCD.G6	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
18	LCD.G7	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
19	LCD.R0	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
20	LCD.R1	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
21	LCD.R2	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
22	LCD.R3	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
23	LCD.R4	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
24	LCD.R5	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
25	LCD.R6	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
26	LCD.R7	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
27	LCD.DE	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
28	LCD.HSYNC	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
29	LCD.VSYNC	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
30	LCD.CLK	LCD controller line, also available on connector J500 (14b RGB LCD Connector)
31	-	-
32	-	-
33	PORTB.10	Touch-panel interrupt line, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI)
34	PORTH.11	LCD backlight PWM controller line, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI)
35	PORTB.11	LCD backlight on/off controller line, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI)
36	PORTH.6	Touch-panel reset line, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI)
37	-	-
38	PORTB.0	LCD reset line, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI)
39	I2C3.SCL	Touch-panel I2C interface, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI) With 2.2kOhm pull-up
40	I2C3.SDA	Touch-panel I2C interface, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI) With 2.2kOhm pull-up

Note:
1. 200 mA is the total load value for 3.3V line

GPIO #2 connector (J801, 2x20 gold-pin, 2.54mm)

Pin	Signal	Description
1	VDD-3V3	Power supply for external loads (up to 200 mA¹)
2	GND	-
3	UART2X.TXD	-
4	UART2X.RXD	-
5	UART2X.RTS	-
6	UART2X.RTS	-
7	PORTC.7	-
8	PORTI.14	Line connected to user Card Detect signal of J800
9	PORTI.8	-
10	PORTI.9	-
11	PORTI.10	-
12	-	-
13	-	-
14	-	-
15	CAN1.TX	Tx line of CAN interface (MCP2542FD) Connected to CAN-FD PHY interface
16	CAN1.RX	Rx line of CAM interface ((MCP2542FD) Connected to CAN-FD PHY interface
17	PORTG.9	RxD of RS-485 interface (USART6.RX) Connected to RS-485 PHY interface
18	PORTG.14	TxD of RS-485 interface (USART6.TX) Connected to RS-485 PHY interface
19	PORTD.7	Data Enable (transmit enable) line of RS-485 interface Connected to RS-485 PHY interface
20	PORTB.5	Optional Standby signal of CAN interface (MCP2542FD) Connected to CAN-FD PHY interface
21	PORTE.3	Camera reset signal
22	PORTE.5	Line connected to user LED D804
23	I2C1.SDA	Audio codec control interface Pulled-upwith 2.2kOhm
24	I2C1.SCL	Audio codec control interface Pulled-upwith 2.2kOhm
25	PORTE.6	Line connected to user LED D803
26	PORTI.11	Line connected to user LED D802
27	PORTH.2	Line connected to switch S803
28	PORTH.3	Line connected to switch S802
29	PORTH.4	Line connected to switch S801
30	PORTH.5	Line connected to switch S800
31	PORTA.5	Line connected to user LED D801
32	PORTA.0	Line connected to user LED D800
33	PC2_C	-
34	PC3_C	-
35	PA0_C	-
36	PA1_C	-
37	UART7.CTS	-
38	UART7.RTS	-
39	UART7.RXD	-
40	UART7.TXD	-

Note:
1. 200 mA is the total load value for 3.3V line

RGB display interface (J500, FPC/FFC 0.5mm)

Pin	Signal	Description
1	LCD.B0	-
2	LCD.B1	-
3	LCD.B2	-
4	LCD.B3	-
5	LCD.B4	-
6	LCD.B5	-
7	LCD.B6	-
8	LCD.B7	-
9	GND	-
10	LCD.G0	-
11	LCD.G1	-
12	LCD.G2	-
13	LCD.G3	-
14	LCD.G4	-
15	LCD.G5	-
16	LCD.G6	-
17	LCD.G7	-
18	GND	-
19	LCD.R0	-
20	LCD.R1	-
21	LCD.R2	-
22	LCD.R3	-
23	LCD.R4	-
24	LCD.R5	-
25	LCD.R6	-
26	LCD.R7	-
27	GND	-
28	LCD.DE	-
29	LCD.HSYNC	-
30	LCD.VSYNC	-
31	GND	-
32	LCD.CLK	-
33	GND	-
34	-	-
35	-	-
36	PORTB.10	Touch-panel interrupt line, also available on connector J501 (MIPI-DSI)
37	PORTH.11	LCD backlight PWM controller line, also available on connector J501 (MIPI-DSI)
38	-	-
39	-	-
40	-	-
41	-	-
42	I2C3.SCL	Touch-panel I2C interface, also available on connector J501 (MIPI-DSI) and J502 (Camera) and J503 (GPIO #1) With 2.2kOhm pull-up
43	I2C3.SDA	Touch-panel I2C interface, also available on connector J501 (MIPI-DSI) and J502 (Camera) and J503 (GPIO #1) With 2.2kOhm pull-up
44	GND	-
45	VDD-5V0	+5.0V power source for LCD module
46	VDD-5V0	+5.0V power source for LCD module
47	VDD-5V0	+5.0V power source for LCD module
48	VDD-5V0	+5.0V power source for LCD module
49	PORTH.6	Touch-panel reset line, also available on connector J501 (MIPI-DSI)
50	PORTB.11	LCD backlight on/off controller line, also available on connector J501 (MIPI-DSI)

MIPI-DSI display interface (J501, FPC/FFC 0.5mm)

Pin	Signal	Description
1	GND	-
2	DSI.CK_P	-
3	DSI.CK_N	-
4	GND	-
5	DSI.D0_P	-
6	DSI.D0_N	-
7	GND	-
8	DSI.D1_P	-
9	DSI.D1_N	-
10	GND	-
11	-	-
12	-	-
13	GND	-
14	-	-
15	-	-
16	GND	-
17	I2C3.SCL	Touch-panel I2C interface, also available on connector J500 (14b RGB LCD Connector) and J502 (Camera) and J503 (GPIO #1) With 2.2kOhm pull-up
18	I2C3.SDA	Touch-panel I2C interface, also available on connector J500 (14b RGB LCD Connector) and J502 (Camera) and J503 (GPIO #1) With 2.2kOhm pull-up
19	GND	-
20	PORTB.0	LCD reset line, also available on connector J500 (14b RGB LCD Connector)
21	PORTB.10	Touch-panel interrupt line, also available on connectors J500 (14b RGB LCD Connector)
22	PORTH.6	Touch-panel reset line, also available on connector connector J500 (14b RGB LCD Connector)
23	GND	-
24	VDD-5V0	+5.0V power source for LCD module
25	VDD-5V0	+5.0V power source for LCD module
26	VDD-5V0	+5.0V power source for LCD module
27	VDD-5V0	+5.0V power source for LCD module
28	PORTH.11	LCD backlight PWM controller line, also available on connector J500 (14b RGB LCD Connector)
29	PORTB.11	LCD backlight on/off controller line, also available on connector connector J500 (14b RGB LCD Connector)
30	GND	-

Parallel camera interface (J502, 2x9 gold-pin, 2.54mm)

Pin	Signal	Description
1	VDD-3V3	Power supply for external loads (up to 200 mA¹)
2	GND	-
3	I2C3.SCL	Touch-panel I2C interface, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI) and J503 (GPIO #1) With 2.2kOhm pull-up
4	I2C3.SDA	Touch-panel I2C interface, also available on connectors J500 (14b RGB LCD Connector) and J501 (MIPI-DSI) and J503 With 2.2kOhm pull-up
5	DCAM.VSYNC	-
6	DCAM.HSYNC	-
7	DCAM.PCLK	-
8	CAM-XCLK	On-board 24 MHz clock generator
9	DCAM.D7	-
10	DCAM.D6	-
11	DCAM.D5	-
12	DCAM.D4	-
13	DCAM.D3	-
14	DCAM.D2	-
15	DCAM.D1	-
16	DCAM.D0	-
17	CAM-RST	PORTE.3 - camera reset line
18	CAM-PWD	3.3V power supply for camera module

Note:
1. 200 mA is the total load value for 3.3V line
2. Example recommended camera module is OV5640 Camera Breakout

CAN-FD interface (J700, 1x3 gold-pin, 2.54mm)

J700 connector pinout

Pin	Signal	Description
1	GND	-
2	L	CAN L signal Line
3	H	CAN H signal Line

CAN-FD interface connections to MCU

Pin	Signal	Description	Note
63 (J101)	CAN1.TX	CAN-FD Transmit Data	Connected to GPIO #2 connector
61 (J101)	CAN1.TX	CAN-FD Receive Data	Connected to GPIO #2 connector
53 (J101)	PORTB.5	CAN-FD PHY layer STB signal	Connected to GPIO #2 connector

RS-485 interface (J701, 1x3 gold-pin, 2.54mm)

J700 connector pinout

Pin	Signal	Description
1	GND	-
2	L	CAN L signal Line
3	H	CAN H signal Line

CAN-FD interface connections to MCU

Pin	Signal	Description	Note
63 (J101)	CAN1.TX	CAN-FD Transmit Data	Connected to GPIO #2 connector
61 (J101)	CAN1.TX	CAN-FD Receive Data	Connected to GPIO #2 connector
53 (J101)	PORTB.5	CAN-FD PHY layer STB signal	Connected to GPIO #2 connector

Audio codec (J600, MiniJack)

Pin	Signal	Description	Note
98 (J101)	I2S2.MCK	NAU88C22YG codec signal	-
90 (J101)	I2S2.CK	NAU88C22YG codec signal	-
88 (J101)	I2S2.WS	NAU88C22YG codec signal	-
94 (J101)	I2S2.SDO	NAU88C22YG codec signal	-
92 (J101)	I2S2.SDI	NAU88C22YG codec signal	-
35 (J101)	I2C1.SCL	NAU88C22YG control interface	Connected to GPIO #2 connector
37 (J101)	I2C1.SDA	NAU88C22YG control interface	Connected to GPIO #2 connector

Ethernet interface (J302, RJ-45)

Pin	Signal	Description	Note
65 (J100)	ETH.TX_p	J302 TD+ pin 1	10/100 Mb Ethernet connector
67 (J100)	ETH.TX_n	J302 TD- pin 2	10/100 Mb Ethernet connector
71 (J100)	ETH.RX_p	J302 RD+ pin 3	10/100 Mb Ethernet connector
73 (J100)	ETH.RX_n	J302 RD- pin 6	10/100 Mb Ethernet connector
59 (J100)	ETH.LED0	Green LED	-
61 (J100)	ETH.LED1	Yellow LED	-

SD card interface (J800)

Pin	Signal	Description	Note
89 (J101)	SDMMC.D0	-	-
87 (J101)	SDMMC.D1	-	-
97 (J101)	SDMMC.D2	-	-
95 (J101)	SDMMC.D3	-	-
91 (J101)	SDMMC.CK	-	-
93 (J101)	SDMMC.CMD	-	-
93 (J101)	SDMMC.CD	Card detect signal	Connected to PORTI.14 GPIO line Available on GPIO #2 connector

User switches

Pin	Signal	Description	Note
17 (J101)	H.5	Connected to PORTH.5	User switch
19 (J101)	H.4	Connected to PORTH.4	User switch
21 (J101)	H.3	Connected to PORTH.3	User switch
23 (J101)	H.2	Connected to PORTH.2	User switch
8 (J101)	RESET	Manual reset switch	Connected to JTAG connector and ST-Link debugger MCU reset line

User LEDs

Pin	Signal	Description	Note
17 (J101)	A.0	Connected to PORTA.0	User LED, actve "0"
19 (J101)	A.5	Connected to PORTA.5	User LED, actve "0"
21 (J101)	I.11	Connected to PORTI.11	User LED, actve "0"
23 (J101)	E.6	Connected to PORTE.6	User LED, actve "0"
39 (J101)	E.5	Connected to PORTE.5	User LED, actve "0"
-	PWR	3.3V power signalling	Permanantly connected to 3.3V

Power supply connector (J200, 9-12 VDC)

Note:
1. External power connector type DC-140-B05-00-PN (5.5/2.5 mm)

@@ Line 744: / Line 744: @@
 ! style="text-align: center; font-weight: bold;" | Note
 |-
-| 89 (J101) || SDMMC.D0 || J302 TD+ pin 1 || 10/100 Mb Ethernet connector
+| 89 (J101) || SDMMC.D0 || - || -
 |-
-| 87 (J101) || SDMMC.D1 || J302 TD- pin 2 || 10/100 Mb Ethernet connector
+| 87 (J101) || SDMMC.D1 || - || -
 |-
-| 97 (J101) || SDMMC.D2 || J302 RD+ pin 3 || 10/100 Mb Ethernet connector
+| 97 (J101) || SDMMC.D2 || - || -
 |-
-| 95 (J101) || SDMMC.D3 || J302 RD- pin 6 || 10/100 Mb Ethernet connector
+| 95 (J101) || SDMMC.D3 || - || -
 |-
-| 91 (J101) || SDMMC.CK || Green LED || -
+| 91 (J101) || SDMMC.CK || - || -
 |-
-| 93 (J101) || SDMMC.CMD || Yellow LED || -
+| 93 (J101) || SDMMC.CMD || - || -
+|-
+| 93 (J101) || SDMMC.CD || Card detect signal || Connected to PORTI.14 GPIO line<br>Available on GPIO #2 connector
+|-
+|}
+</center>
+== User switches ==
+[[File:StarCB-STM32H757-switches.jpg|center|700px]]
+<center>
+{| class="wikitable"
+! style="text-align: center; font-weight: bold;" | Pin
+! style="text-align: center; font-weight: bold;" | Signal
+! style="text-align: center; font-weight: bold;" | Description
+! style="text-align: center; font-weight: bold;" | Note
+|-
+| 17 (J101) || H.5 || Connected to PORTH.5 || User switch
+|-
+| 19 (J101) || H.4 || Connected to PORTH.4 || User switch
+|-
+| 21 (J101) || H.3 || Connected to PORTH.3 || User switch
+|-
+| 23 (J101) || H.2 || Connected to PORTH.2 || User switch
+|-
+| 8 (J101) || RESET || Manual reset switch || Connected to JTAG connector and ST-Link debugger MCU reset line
+|-
+|}
+</center>
+== User LEDs ==
+[[File:StarCB-STM32H757-led.jpg|center|700px]]
+<center>
+{| class="wikitable"
+! style="text-align: center; font-weight: bold;" | Pin
+! style="text-align: center; font-weight: bold;" | Signal
+! style="text-align: center; font-weight: bold;" | Description
+! style="text-align: center; font-weight: bold;" | Note
+|-
+| 17 (J101) || A.0 || Connected to PORTA.0 || User LED, actve "0"
+|-
+| 19 (J101) || A.5 || Connected to PORTA.5 || User LED, actve "0"
+|-
+| 21 (J101) || I.11 || Connected to PORTI.11 || User LED, actve "0"
+|-
+| 23 (J101) || E.6 || Connected to PORTE.6 || User LED, actve "0"
+|-
+| 39 (J101) || E.5 || Connected to PORTE.5 || User LED, actve "0"
+|-
+| - || PWR || 3.3V power signalling || Permanantly connected to 3.3V
 |-
 |}

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