14 lpc bus, 1 connector – Kontron KTLX800-pITX User Manual
Page 34

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.