Kontron KTQM67-mITX User Manual download pdf (Page 63)

KTQM67 Users Guide

KTD-N0819-K Page 63

6.15 SPI Connector (SPI) (J5)

The SPI Connector is normally not used. If however a SPI BIOS is connected via the SPI Connector

then the board will try to boot on it.

Note

Pull U/D

Ioh/Iol

Type

Signal

Type

Ioh/Iol

Pull U/D

Note

CLK

SB3V3

PWR

CS0#

ADDIN

/10K

10K/

MOSI

ISOLATE#

100K

MISO

GND

PWR

Signal Description

CLK

Serial Clock

SB3V3

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.

CS0# CS0# Chip Select 0, active low.

ADDIN ADDIN input signal must be NC.

MOSI Master Output, Slave Input

ISOLATE#

The ISOLATE# input, active low, is normally NC, but must be connected to GND when

loading 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.

MISO Master Input, Slave Output

Internal Connectors

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Kontron KTQM67-mITX User Manual Page 63