WaveShare Core746I board

STM32F746IGT6


Board

NameWaveShare Core746I board
PartCore7XXI
BrandWaveShare
OriginChina

Microcontroller

PartSTM32F746IGT6
ManufacturerST-Microelectronics
CoreArm Cortex-M7
Max. Clock Speed216MHz
PackageLQFP 176 pins

Internal memories

FLASH1024KiB
SRAM320KiB
Backup SRAM4KiB
ITCM RAM16KiB

Oscillators

HSI16MHz
LSI32kHz
HSE8MHz
LSE32.768kHz

Power

Sources
Any +3.3V pin (+3.3V)
5Vin pin (+5V)
USB connector (+5V)
VDDA pinNo
VSSA pinNo
VREF- pinNo
VREF+ pinYes
Backup batteryPin

Regulator

ManufacturerAdvanced Monolithic Systems Inc.
PartAMS1117 (AMS1117)
PackageSOT223 3 pins
Input+4.6V to +15V
Output+3.3V @ 1A
DatasheetAMS1117.pdf

PCB

ColorBlue
Size (w x l)57.5mm x 83mm
MountingNone

Remarks

  • Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.

Pictures

WaveShare Core746I board: Perspective view
WaveShare Core746I board: Perspective view
WaveShare Core746I board: Top view
WaveShare Core746I board: Top view
WaveShare Core746I board: Bottom view
WaveShare Core746I board: Bottom view

Inputs & outputs


Reset button

Name RESET
Reference -
Type button
Connected to NRST
Mode active low

BOOT0 switch

Name BOOT CONFIG
Reference -
Type switch
Connected to BOOT0
Mode N.A.

+5V source selection switch

Name -
Reference -
Type switch
Connected to +5V rail
Mode N.A.
  • Info: Selects the +5V power source. Can be set to USB, 5Vin pin, or none.

Vref+ jumper

Name POWER JMP
Reference -
Type jumper
Connected to VREF+
Mode Connects to +3.3V rail

Vbat jumper

Name POWER JMP
Reference -
Type jumper
Connected to VBAT
Mode Connects to +3.3V rail

USB OTG FLG jumper

Name OTG JMP
Reference -
Type 1-way jumper
Connected to PE3
Mode N.A.

USB OTG PWR OUT jumper

Name OTG JMP
Reference -
Type 1-way jumper
Connected to PE2
Mode N.A.

USB OTG VBUS jumper

Name OTG JMP
Reference -
Type 1-way jumper
Connected to PA9
Mode N.A.

Power LED

Name PWR LED
Reference -
Type LED
Connected to +3.3V rail
Mode N.A.

Name VBUS LED
Reference -
Type LED
Connected to
Mode N.A.

Connectors & headers


Header 1 properties

Name Unknown
Reference None
Type Pin header (2mm, 40x2, male)

Header 1 pins

# Name Function Connected to
1 GND - Ground plane
2 5Vin - +5V source selection switch
3 PE2 - PE2
4 PE3 - PE3
5 PE5 - PE5
6 PE4 - PE4
7 PE6 - PE6
8 VBAT - VBAT
9 PI8 - PI8
10 PC13 - PC13
11 PC14 - PC14
12 PC15 - PC15
13 PI9 - PI9
14 PI10 - PI10
15 PI11 - PI11
16 PF0 - PF0
17 PF1 - PF1
18 PF2 - PF2
19 PF3 - PF3
20 PF4 - PF4
21 PF5 - PF5
22 PF6 - PF6
23 PF7 - PF7
24 PF8 - PF8
25 PF9 - PF9
26 PF10 - PF10
27 PH0 - PH0
28 PH1 - PH1
29 RST - RST
30 PC0 - PC0
31 PC1 - PC1
32 PC2 - PC2
33 PC3 - PC3
34 VREF+ - VREF+
35 PA1 - PA1
36 PA0 - PA0
37 PH2 - PH2
38 PA2 - PA2
39 3.3V - +3.3V rail
40 PH3 - PH3
41 3.3V - +3.3V rail
42 GND - Ground plane
43 PH4 - PH4
44 GND - Ground plane
45 PA3 - PA3
46 PH5 - PH5
47 PA5 - PA5
48 PA4 - PA4
49 PA7 - PA7
50 PA6 - PA6
51 PC5 - PC5
52 PC4 - PC4
53 PB1 - PB1
54 PB0 - PB0
55 PF11 - PF11
56 PB2 - PB2
57 PF13 - PF13
58 PF12 - PF12
59 PF15 - PF15
60 PF14 - PF14
61 PG1 - PG1
62 PG0 - PG0
63 PE8 - PE8
64 PE7 - PE7
65 PE10 - PE10
66 PE9 - PE9
67 PE12 - PE12
68 PE11 - PE11
69 PE14 - PE14
70 PE13 - PE13
71 PB10 - PB10
72 PE15 - PE15
73 PH6 - PH6
74 PB11 - PB11
75 PH8 - PH8
76 PH7 - PH7
77 PH10 - PH10
78 PH9 - PH9
79 3.3V - +3.3V rail
80 PH11 - PH11S

Header 2 properties

Name Unknown
Reference None
Type Pin header (2mm, 40x2, male)

Header 2 pins

# Name Function Connected to
1 3.3V - +3.3V rail
2 GND - Ground plane
3 PH12 - PH12
4 PB12 - PB12
5 PB13 - PB13
6 PB14 - PB14
7 PB15 - PB15
8 PD8 - PD8
9 PD9 - PD9
10 PD10 - PD10
11 PD11 - PD11
12 PD12 - PD12
13 PD13 - PD13
14 PD14 - PD14
15 PD15 - PD15
16 PG2 - PG2
17 PG3 - PG3
18 PG4 - PG4
19 PG5 - PG5
20 PG6 - PG6
21 PG7 - PG7
22 PG8 - PG8
23 PC6 - PC6
24 PC7 - PC7
25 PC8 - PC8
26 PC9 - PC9
27 PA8 - PA8
28 PA9 - PA9
29 PA10 - PA10
30 PA11 - PA11
31 PA12 - PA12
32 PA13 - PA13
33 PA14 - PA14
34 PH13 - PH13
35 PI0 - PI0
36 PH15 - PH15
37 3.3V - +3.3V rail
38 PI1 - PI1
39 3.3V - +3.3V rail
40 GND - Ground plane
41 PI2 - PI2
42 GND - Ground plane
43 PI3 - PI3
44 PA14 - PA14
45 PA15 - PA15
46 PC10 - PC10
47 PC11 - PC11
48 PC12 - PC12
49 PD0 - PD0
50 PD1 - PD1
51 PD2 - PD2
52 PD3 - PD3
53 PD4 - PD4
54 PD5 - PD5
55 PD6 - PD6
56 PD7 - PD7
57 PG9 - PG9
58 PG10 - PG10
59 PG11 - PG11
60 PG12 - PG12
61 PG13 - PG13
62 PG14 - PG14
63 PG15 - PG15
64 PB3 - PB3
65 PB4 - PB4
66 PB5 - PB5
67 PB6 - PB6
68 PB7 - PB7
69 BOOT0 - BOOT0
70 PB8 - PB8
71 PB9 - PB9
72 PE0 - PE0
73 PE1 - PE1
74 PDR - PDR
75 PI4 - PI4
76 PI5 - PI5
77 PI6 - PI6
78 PI7 - PI7
79 GND - Ground plane
80 5VOUT - +5V rail

USB connector properties

Name Unknown
Reference None
Type USB Micro

USB connector pins

# Name Function Connected to
1 - VCC +5V source selection switch
2 - D- PA11 via 22Ω resistor
3 - D+ PA12 via 22Ω resistor
4 - ID PA10 via 330Ω resistor
5 - GND Ground plane

JTAG header properties

Name Unknown
Reference None
Type IDC (2.54mm, 10x2, male)

JTAG header pins

# Name Function Connected to
1 - VCC +3.3V rail
2 - VCC +3.3V rail
3 - TRST PB4
4 - GND Ground plane
5 - TDI PA15
6 - GND Ground plane
7 - TMS / SWDIO PA13
8 - GND Ground plane
9 - TCLK / SWCLK PA14
10 - GND Ground plane
11 - RTCK N.C.
12 - GND Ground plane
13 - TDO / SWO PB3
14 - GND Ground plane
15 - RESET NRST
16 - GND Ground plane
17 - N.C. N.C.
18 - GND Ground plane
19 - N.C. N.C.
20 - GND Ground plane

Devices


MIC2075 properties

Name Unknown
Reference Unknown
Manufacturer Microchip Technology Inc.
Part MIC2075
Marking 2075-28M
Datasheet MIC2075.pdf
Package SOIC 8 pins
Description USB High-Side 500mA Current Limiting Power Switch

MIC2075 pins

# Name Function Connected to
1 - EN PWR OUT jumper, pulled up by 10kΩ resistor
2 - FLG FLG jumper, pulled up by 10kΩ resistor
3 - GND Ground plane
4 - NC N.C.
5 - NC N.C.
6 - OUT USB 5V pin
7 - IN +5V rail
8 - OUT USB 5V pin

IS42S16400J properties

Name Unknown
Reference Unknown
Manufacturer Integrated Silicon Solution, Inc.
Part IS42S16400J
Marking IS42S16400J-71L
Datasheet IS42S16400J.pdf
Package TSOP - II 54 pins
Description 8MiB SDRAM

IS42S16400J pins

# Name Function Connected to
1 - VDD +3.3V rail
2 - DQ0 PD14
3 - VDDQ +3.3V rail
4 - DQ1 PD15
5 - DQ2 PD0
6 - GNDQ Ground plane
7 - DQ3 PD1
8 - DQ4 PE7
9 - VDDQ +3.3V rail
10 - DQ5 PE8
11 - DQ6 PE9
12 - GNDQ Ground plane
13 - DQ7 PE10
14 - VDD +3.3V rail
15 - LDQM PE0
16 - WE PH5
17 - CAS PG15
18 - RAS PF11
19 - CS PH6
20 - BA0 PG4
21 - BA1 PG5
22 - A10 PG0
23 - A0 PF0
24 - A1 PF1
25 - A2 PF2
26 - A3 PF3
27 - VDD +3.3V rail
28 - GND Ground plane
29 - A4 PF4
30 - A5 PF5
31 - A6 PF12
32 - A7 PF13
33 - A8 PF14
34 - A9 PF15
35 - A11 PG1
36 - NC N.C.
37 - CKE PH7
38 - CLK PG8
39 - UDQM PE1
40 - NC N.C.
41 - GND Ground plane
42 - DQ8 PE11
43 - VDDQ +3.3V rail
44 - DQ9 PE12
45 - DQ10 PE13
46 - GNDQ Ground plane
47 - DQ11 PE14
48 - DQ12 PE15
49 - VDDQ +3.3V rail
50 - DQ13 PD8
51 - DQ14 PD9
52 - GNDQ Ground plane
53 - DQ15 PD10
54 - GND Ground plane