Kontron pITX-E38 Manuale Utente Pagina 32

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
  • Pagina
    / 61
  • Indice
  • SEGNALIBRI
  • Valutato. / 5. Basato su recensioni clienti
Vedere la pagina 31
KTD-N0904-D Page 30 IO-Area Connectors
pITX-E38 Users Guide
“Always On” (Always On) 7.11
The “Always On” can be used to implement hardware controlled Always ON by jumper. When “Always On” is
selected, then the board will power up automatically when power is connected. It doesn’t matter if “Always
On” is not selected in BIOS.
The board can still be shut down by PWRBTN_IN# (power button in) activation (via Front Panel connector).
SPI Connector (SPI) 7.12
The SPI (Serial Peripheral Interface) Bus connector provides synchronous full duplex in a 9 pin header.
Always On
Description
pin1-2
pin2-3
X
-
Always On selection
-
X
Default position
-
-
No function. Note: may load default BIOS settings after several minutes
Header
Pin
Signal
Description
Type
1
GND
Ground
PWR
2
SPI_MISO
SPI master input, Slave Output
IO-3.3
3
SPI_MOSI
SPI master output, Slave Input
IO-3.3
4
SPI_CS#
SPI slave select, active low
O-3.3
5
SPI_CLK
SPI clock
O-3.3
6
NC
Not connected
NC
7
3.3V
3.3V Power
PWR
8
ADDIN
Disable onboard SPI flash
I-3.3
9
ISOLATE#
Disable the SPI interface
I-3.3
Signal Description
SPI_CLK
Serial Clock
3.3V
3.3V Standby Voltage power line. Normally output power, but when Motherboard is
turned off then the on-board SPI Flash can be 3.3V power sourced via this pin.
SPI_CS# CS# Chip Select, active low.
ADDIN ADDIN input signal must be NC.
SPI_MOSI Master Output, Slave Input.
ISOLATE#
The ISOLATE# input, active low, is normally NC, but must be connected to GND when
programming the
SPI flash. Power Supply to the Motherboard must be turned off when
loading SPI flash. The pull up resistor is connected via diode to 5VSB.
SPI_MISO Master Input, Slave Output
SPI_IO2_#WP
SPI Data I/O: A bidirectional signal used to support Dual IO Fast Read, Quad IO Fast Read
and Quad Output Fast Read modes. The signal is not used in Dual Output Fast Read mode.
SPI_IO3_#HOLD
SPI Data I/O: A bidirectional signal used to support Dual IO Fast Read, Quad IO Fast Read
and Quad Output Fast Read modes. The signal is not used in Dual Output Fast Read mode.
Vedere la pagina 31
1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 60 61

Commenti su questo manuale

Nessun commento