hilscher 7763.200, Manual

Page: 12 / 72

Descriptions and drawings 12/72
No. in
figure Name Description For details see section
(20) X2 Mini­B USB connector Mini­B USB connector (X2) [ } page 27]
(21) X3 Host interface Host interface (X3) [ } page 19]
(22) S2 Host interface mode Configuration Host Mode ­ Switch (S2) [ } page 15]
(23) X10 Host interface configuration jumper Host Interface Configuration Jumper (X10) [ } page 16
]
Table 4: List of positions on printed circuit board
2.3 Operating elements
2.3.1 Push buttons
2.3.1.1 Reset (T1)
T1 Function
When button is pushed, system initiates power­on reset.
Table 5: Push button T1
Position (19) in section Printed circuit board [
}
page 11].
2.3.2 Switches
2.3.2.1 Configuration boot strap options ­ switch (S1)
Boot strap options.
S1 SW Signal Connect to Functions
1 RDY# with 390 Ω to GND Boot mode
2 RUN# with 390 Ω to GND
3 SPI_MOSI with 1.5 kΩ to +3.3 V Host interface mode
4 SPI_CLK with 1.5 kΩ to +3.3 V
5 SPI_MISO with 1.5 kΩ to +3.3 V
6 RUN# SDA of Security
Memory Access to Security Memory
ON = Enable
OFF = Disable
Note that the Security
Memory will only be
accessed if SW 1 and SW 2
(RDY# and RUN#) are set
to OFF !
Table 6: Boot strap options configuration switch S1
Position (5) in section Printed circuit board [
}
page 11].
The boot mode and the host interface mode are evaluated by the ROM
loader during boot.
NXHX 51­ETM | Development Board
DOC120606HW06EN | Revision 6 | English | 2015­01 | Released | Public © Hilscher 2012 – 2015