ARTERY AT-START-F435, User Manual

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AT-START-F435
User Manual
2021.11.20 12
Rev
1.00
3.10
0Ω resistors
Table 2. 0Ωresistor settings
Resistors State
(1)
Description
R17
(MCU power
consumption
measurement)
ON When JP3 OFF, 3.3V is connected to the microcontroller
power to supply microcontroller.
OFF
When JP3 OFF, 3.3V can be connected to an ammeter to
measure the power consumption of the microcontroller.
(The microcontroller cannot be powered without ammeter)
R9
(V
BAT
)
ON V
BAT
is connected to VDD
OFF V
BAT
is supplied by the pin_6 (VBAT) of J2.
R1, R2, R3, R4
(HEXT)
ON, OFF, ON, OFF HEXT clock source comes from on-board crystal Y1
OFF, ON, OFF, OFF HEXT clock source: external oscillator from PH0, PH1 is
unused.
OFF, ON, OFF, ON
HEXT clock source: external oscillator from PH0, PH1 is
used as GPIO; or PH0, PH1 are used as GPIOs.
R5, R6, R7, R8
(LEXT)
ON, ON, OFF, OFF LEXT clock source comes from on-board crystal X1
OFF, OFF, ON, ON LEXT clock source: external oscillator from PC14; or PC14,
PC15 are used as GPIOs.
R19, R21
(User button B2)
ON, OFF User button B2 is connected to PA0.
OFF, ON User button B2 is connected to PC13.
R54, R55
(PA11, PA12)
OFF, OFF
As OTGFS1, PA11 and PA12 are not connected to the
pin_31 and pin_32 of J1.
ON, ON When PA11 and PA12 are not used as OTGFS1, they are
connected to the pin_31 and pin_32 of J1.
R42, R53
(PB14, PB15)
OFF, OFF As OTGFS2, PB14 and PB15 are not connected to the
pin_3 and pin_4 of J1.
ON, ON When PB14 and PB15 are not used as OTGFS2, they are
connected to the pin_3 and pin_4 of J1.
R56, R57, R58, R59
(Arduino TM A4, A5)
OFF, ON, OFF, ON Arduino
TM
A4 and A5 are connected to ADC123_IN11 and
ADC123_IN10.
ON, OFF, ON, OFF Arduino TM A4 and A5 are connected to I2C1_SDA
，
I2C1_SCL.
R60, R61
(Arduino TM D10)
OFF, ON Arduino
TM
D10 is connected to SPI1_CS.
ON, OFF Arduino
TM
D10 is connected to PVM (TMR4_CH1).
(1) Rx factory default state is shown in BOLD.