JUMPER DESCRIPTION:
3.3V_E
This jumper, when closed, supplies 3.3 V voltage to the
VDD1-10 pins
of the MCU.
Default state is closed.
3.3VA_E
This jumper, when closed, supplies 3.3 V voltage to the VDDA
pin of the
MCU.
Default state is closed.
VREF_E
This jumper, when closed, supplies 3.3 V reference voltage to
the VREF pin
of the MCU.
Default state is closed.
PHY_PD
This jumper controls the PHY signal of the Ethernet controller.
If the jumper
is pen the PHY is always enabled, if the pin is closed the MCU
controls the PHY.
Default state is
open
.
WP_E
This jumper, when closed, inputs the Write protect signal from
the SD/MMC
card to the MCU.
Default state is
closed
.
NF_WPE
This jumper, when closed, write-protects the flash and when
open, disables
the write protection.
Default state is
open
.
N_CE/CS1
When 1-2 is shorted, you could select the flash memory for
work through
the
Chip Select 1 signal. If 2-3 is shorted, the #CE
pin of the NAND flash
memory is connected to the N_CE pin of the
MCU.
Default position is 1-2 shorted.
ISP_E
If you put this jumper, you enable the ISP (In-System
Programming).
This is used when you want external software to program the
LCP2478.
This jumper is used in combination with the RST_E jumper.
Default state is open.
RST_E
If you put this jumper, you enable external software to control
the Reset
signal to the processor. This is used when you want external
software to program the
LCP2478.
This jumper is used in combination with the ISP_E
jumper.
Default state is open.
