Using the STK525
STK525 Hardware User Guide
2-25
7608A–AVR–04/06
2.12
Solder Pads
Solder pads are used to
disconnect/connect on-board peripherals or elements, their default
configuration is: disconnect.
2.12.1
Solder Pads Listing
Table 2-6 . Solder Pads
Solder.
Pads
Reference
Related
Signals
Function
SP1
AVCC/VCC
This solder pad can be used to bypass L1.
SP2
NRST/RESET
This solder pad can be used to bypass D1.
SP3
3.3V
This solder pad is reserved to connect 3.3V power supply to
the N.C pin of Expand0/1
SP4
PD1/CTS
This solder pad allows to enable the logical CTS signal for
hardware control flow on RS232 interface.
SP5
PD0/RTS
This solder pad allows to enable the logical RTS signal for
hardware control flow on RS232 interface.
SP6
VBUS
This solder pad allows to bypass U5 VBUS current limiter.
SP7
RS-CTS
This solder pad allows to enable the physical CTS signal for
hardware control flow on RS232 interface.
SP8
RS-RTS
This solder pad allows to enable the physical RTS signal for
hardware control flow on RS232 interface.
