Table 59.
CN10 (Left) MB1242 pin-out
Pin number
Description
Pin number
Description
1,4,8,9
NC
7
CANH
2
CANL
3,5,6
GND
8.8
Motor control
8.8.1
Description
Motor-control functions can be accessed:
•
Either through the 17x2 legacy connector CN1,
•
or through the 10x2 DFSDM connector CN4.
8.8.2
Operating voltage
The STM32H7B3LIH6QU motor-control interfaces (Such as GPIO, PWM, and ADC) can only be at 3.3 V on this
board.
8.8.3
Limitations and hardware configuration
Limitations with primary functions: USB FS, Wi
‑
Fi
®
, SD card 1, camera, audio I2S6, SDRAM, OCSPI1
Limitations with secondary functions: audio SAI, USB HS, NOR, SRAM, TRACE, KEY WKUP, MCO1,
3V3_SW_ENABLE and 1V8_SW_ENABLE
8.8.4
Interface
Figure 34.
Motor-control legacy connector CN1
Table 60.
Motor-control legacy connector CN1 (17x2)
Pin name
Fitted
Not fitted
MCU function
Motor-control function
PF12
R72
R326
ADC1_INP6
BUS VOLTAGE
PC0
R253
R255
ADC12_INP10
PHASE A CURRENT
PC1
R210
R216
ADC12_INP11
PHASE B CURRENT
PC4
R277
R281
ADC12_INP4
PFC INDUCTOR CURRENT
PA7
R67
R322
ADC12_INP7
PHASE C CURRENT
PC5
R282
R286
ADC12_INP8
PFC VAC
PC3_C
R219
ADC2_INP1
HEATSINK TEMPERATURE
MFX_GPO6
SB33 / R130
R129
GPIO1
ICL SHUT OUT
MFX_GPO7
SB30 / R99
R100
GPIO2
DISSIPATIVE BREAK
PD4
R367
R368
INT_JOY_DOWN
JOYSTICK DOWN
PA4
-
JP7
UM2662
Motor control
UM2662
-
Rev 1
page 62/95