KTD-N0886-E
Page 43
Internal Connectors
KTQM87/mITX Users Guide
!
Warning
: Caution must be exercised to avoid inserting a CcTalk header into a FAN connector
as this might result in damage to the CcTalk device, motherboard or both!
ccTalk Connector (J25)
7.15
The ccTalk interface uses a 4-pin connector identical to the Fan connectors.
Serial protocol used in money transaction industry. Peripherals such as coin acceptors, bill validators,
automatic payment equipment such as transportation, ticketing, payphones, amusement machines and
retail cash management use ccTalk to talk to the host controller.
ccTalk transfer asynchronously at 4800 -9600 baud, character frames via single wire bidirectional
communication at TTL level. It has ‘multi-drop’ support for devices all having unique addresses. It can
easily expandable command interface and has some DES encryption. No licensing.
Header
Pin
Signal
Description
Type
1
VCC5
Power +5V
PWR
2
N.C.
Not connected
NC
3
GND
Ground
PWR
4
DATA
Serial data line (RXD/TXD)
IO
LPC Connector (J30)
7.16
The LPC connector is in general unsupported. Only under special circumstances may the LPC interface be of
interest.
Note
Pull
U/D Ioh/Iol Type
Signal
PIN
Signal
Type Ioh/Iol
Pull
U/D Note
-
-
PWR
LPC CLK
1 2
GND
-
-
PWR LPC FRAME#
3
KEY
LPC RST#
5 6
+5V
LPC AD3
7 8
LPC AD2
+3V3
9 10
LPC AD1
LPC AD0
11 12
GND
SMB_CLK
13 14
SMB_DATA
SB3V3
15 16
LPC SERIRQ
GND
17 18
CLKRUN#
SUS_STAT#
19 20
TPM_DRQ#0
