CFA633-RDI-KS datasheet(29/88 Pages) CRYSTAIFONTZ

29 / 88 page

Crystalfontz America, Inc.

Data Sheet Release Date 2012/02/21

www.crystalfontz.com

CFA633-RDI-KS LCD Module (Hardware v2.0 / Firmware s2v1)

February 2012

Page 29



System hard power off. If POWER-ON SENSE is high (+5v) pressing the red X key for 4 seconds will turn the

system off by driving the POWER CONTROL line. The line will be driven for a minimum of the pulse width set by

command 28 (0x1C): Set ATX Power Switch Functionality (Pg. 54) (1.0 seconds default). If the user continues to

press the key, the CFA633-RDI-KS will continue to drive the line for up to an additional 5 seconds.



System hard reset. If POWER-ON SENSE is high (+5v) pressing the green check key for 4 seconds will reset

the system off by driving the RESET line for 1 second. The CFA633-RDI-KS will reboot itself immediately after

resetting the host.

Since the computer and LCD module must look off if the computer's power is off, the CFA633-RDI-KS can be configured

to monitor the POWER-ON SENSE line and blank its display any time the POWER-ON SENSE line is low. If +12v

remains active (which would not be expected, since the host is "off"), the fans will remain on at their previous settings.

Here is an illustration of how the optional Crystalfontz WR-PWR-Y14 cable connects to the CFA633 connector J8 and

your ATX power supply:

Figure 11. ATX Power Supply and Control Using Crystalfontz WR-PWR-Y14 Cable

22-27-2071

(Molex)

Housing: A26962-ND

Crimp Terminal: A3004-ND

(Typical)

Housing: 22-01-3077

Crimp Terminal: 08-50-00114

(Molex)

Housing: 51065-0300

Terminal: 50212-8100

(Molex)

Connect to your system's

motherboard.

WR-PWR-Y14

CABLE

China

+5V

GND

I/O

c 2010

America, Inc.

Crystalfontz

GND

QF2

J_DOW

J_USB

R23

R20

R19

R21

R22

R18

R25

R24

R26

R27

R29

R28

R30

R31

R33

R32

QF1

QF3

QF4

R14

QBL

C17

C23

C19

C20

C22

C24

C16

C14

RPK1

RPK2

RSK

RPL1

RPL2

RSL

PWR

D-

D+

GND

JP1

JP13

JP2

JP3

JP4

JP5

JP6

JP10

JP11

JP12

JP8

JPUSBPWR

JP7

JPGPIO1

TACH

GND

J_PROG

FAN 4

FAN 3

J_PWR

FAN 2

FAN 1

J_DOW

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