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UM1855
Hardware layout and configuration
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Table 29. Configuration elements related with smartcard and SWP
Element
Setting
Configuration
R39
SB3
R109
CN11
R109 in
R39 in
SB3 open
CN11 I/O-bridged
Default setting.
Smartcard SWP cannot be handled:
PB12 is routed to USB OTG FS port as USBOTG_OVRCR line, on
top of being routed to SWIO port of smartcard
Configuration dedicated for USB OTG FS operation.
R109 out
R39 in
SB3 open
CN11 I/O-bridged
Smartcard SWP can be handled:
PB12 is routed to SWIO port of smartcard. It is disconnected from
any other resource that could affect the SWP operation
Configuration dedicated for smartcard SWP operation
R39 out
SB3 closed
Smartcard SWP cannot be handled:
PB12 is routed to motor control as MC_PFC_Shutdown
Configuration dedicated for motor control operation
R39 out
SB3 open
Smartcard SWP cannot be handled:
PB12 is only routed to touch-sensing button and it is disconnected
from any other resource.
Configuration dedicated for touch-sensing button operation.
R62
SB14
SB15
R62 in
SB14 open
SB15 open
CN11 I/O-bridged
Default setting.
Smartcard controller U30 is supplied with clock:
PB0 port is routed to XTAL1 of U30, as SmartCard_CLK line and it
is not routed to other resources.
Configuration dedicated for smartcard operation.
R62 out
SB14 closed
SB15 open
Smartcard controller U30 is not supplied with clock:
PB0 is routed to Quad-SPI Flash memory device as QSPI_D1 and it
is not routed to other resources.
Configuration dedicated for Quad-SPI Flash memory device
operation.
R62 out
SB14 open
SB15 closed
Smartcard controller U30 is not supplied with clock:
PB0 is routed to motor control as MC_PWM_2L line and it is not
routed to other resources.
Configuration dedicated for motor control operation.
R65
SB17
CN14
R65 in
SB17 open
CN14 I/O-bridged
Default setting.
Smartcard controller gets SmartCard_IO line:
PC4 port of MCU is routed to IOUC port of U30, as SmartCard_IO
line and it is not routed to other resources.
Configuration dedicated for smartcard operation.
R65 out
SB17 closed
Smartcard controller does not get SmartCard_IO line:
PC4 port of MCU is routed to motor control as MC0PFC0IndCur line
and it is not routed to other resources.
Configuration dedicated for motor control operation.
