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14 lpc bus, 1 connector – Kontron KTLX800-pITX User Manual

Page 34

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KTD-S0022-C

Page 29

LPC Bus

KTLX800/pITX User's Guide

The LPC bus (L

14 LPC Bus

ow Pin Co

sed to

ect

h devices to the compagnion chip. This bus is

replacing the 16 bit-wide, 8 3 MHz ISA b with a

ide bus op

times the clock speed (33

MHz PCI bus clock freq

y). The implementation

ed on I

ace specification V1.0,

external bus
You can use the LPC bu

d the board functio

(e.g. Lat

roller (LPC peripheral),

ROM emulator, TPM (T

unt) is u

conn

low bandwit

.3

us

4 bit-w

erating at 4

®

uenc

master are not supported.

s to expan

is bas

ntel's LPC interf

nality

tice LPC bus cont

rusted Platform Mod

or LPC

bridge).

ule)

to SPI

CA

!

UTION

Do not use signal voltages abov

LPC bu

e 3.3V.

s signals are

unprotect

gains

vervolta

ed a

t o

ge.

1

T

4.1 Connector

he LPC bus interface is available through the connector J1505 (10 pins).

Header

Pin

Signal Name

Function

VCC

1)

1

Power +3.3V

2

/RESET

Reset

3

LCLK

Clock

4

/LFRAME

Start or stop transfer

5

LAD0

Address or data 0

6

LAD1

Address or data 1

7

LAD2

Address or data 2

8

LAD3

Address or data 3

9

SERIRQ

Serial interrupt

1

GND

10

Ground

Note:

1)

To protect the external power lines of peripheral devices make sure that

- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.


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