Target Board Kit S3A1 (TB-S3A1)
Hardware Layout
R12UM0022EU0100 Rev.1.00
Page 27 of 36
Feb 6, 2018
4.6.5.2
VCL
By default, the Main MCU pin VCL is connected to reference capacitor C17. To connect this
pin to MCU pin header J2, solder bridge E28 must be closed. To disconnect the reference
capacitor C17, copper jumper E29 must be open.
4.6.5.3
VCC_USB_LDO
By default, the Main MCU pin VCC_USB_LDO is connected to the +3V3 MCU supply voltage.
Alternatively, this pin may be connected to MCU pin header J3. To do this, copper jumper E7
must be open, and copper jumper E13 must be closed.
4.6.5.4
VCC_USB
By default, the Main MCU pin VCC_USB is connected to the +3V3 MCU supply voltage. Alternatively, this pin may
be connected to MCU pin header J1. To do this, copper jumper E8 must be open, and copper jumper E14 must be
closed.
4.6.5.5
Signal P205
By default, the Main MCU pin P205 is connected to a TSCAP-A capacitor. This pin may be
connected to MCU pin header J2. To do this, copper jumper E12 must be closed. The TSCAP-A
capacitor may be disconnected by making copper jumper E15 open.
Summary of Contents for S3A1
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