Spi Connector (Spi) (J40) - Kontron KTQ67/Flex User Manual

KTD-N0829-D
6.14

SPI Connector (SPI) (J40)

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
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Signal Description
CLK Serial Clock
3.3V Standby Voltage power line. Normally output power, but when Motherboard is
SB3V3
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
The ISOLATE# input, active low, is normally NC, but must be connected to GND when
ISOLATE# 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
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PIN Signal
CLK 1 2 SB3V3
I CS0# 3 4 ADDIN
- NC 5 6
IO MOSI 7 8 ISOLATE#
IO MISO 9 10 GND
Internal Connectors
Type Ioh/Iol Pull U/D Note
PWR -
IO
NC - -
IO
PWR -
KTQ67 Users Guide
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