Advantech SOM-A2552 Vbkena, USBN1, USBP1, UART5RXD, UART4RXD, UART5RTS, UART4TXD, UART5TXD, Crtr

Page 23

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User’s Manual for Advantech SOM-A2552 series module V1.00

 

 

 

control STN LCD VEE power MOS

 

 

 

 

switch to achieve power-saving.

 

 

140

N.C.

-

N.C. just float this pin.

 

 

-

141

VBK_ENA

O

LCD back light inverter power

 

No pulling

 

 

 

control signal. User can use this

 

 

 

 

 

pin to control the LCD backlight

 

 

 

 

 

inverter to achieve power-saving.

 

 

142

USB_N1

IO

USB host port1 D- data line.

 

No pulling

143

N.C.

-

N.C. just float this pin.

 

 

-

144

USB_P1

IO

USB host port1 D+ data line.

 

No pulling

145

N.C.

-

N.C. just float this pin.

 

 

-

146

N.C.

-

N.C. just float this pin.

 

 

-

147

N.C.

-

N.C. just float this pin.

 

 

-

148

UART5_RXD

I

UART5 Receive signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

149

UART4_RXD

I

UART5 Receive signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

150

UART5_RTS

O

UART5

Data-Terminal-Ready

Pull high with

 

 

 

signal pin.

 

 

 

 

100Kohm

151

UART4_TXD

O

UART4 Transmit signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

152

UART5_TXD

O

UART5 Transmit signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

153

N.C.

-

N.C. just float this pin.

 

 

-

154

N.C.

-

N.C. just float this pin.

 

 

-

155

N.C.

-

N.C. just float this pin.

 

 

-

156

N.C.

-

N.C. just float this pin.

 

 

-

157

nVBRIR_INC

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

nVBRIR_INC is used to increase

 

 

 

 

or

decrease

Wiper

Control.

 

 

 

 

Advantech suggests to connect the

 

 

 

 

pin to DS1804 1st pin.

 

 

 

158

CRT_R

AO

The red CRT output.

 

 

 

No pulling

159

nVBRIR_UnD

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

nVBRIR_UnD is used be Up/Down

 

 

 

 

Control.

Advantech

suggests

to

 

 

 

 

connect the pin to DS1804 2nd pin.

 

160

CRT_G

AO

The Green CRT output.

 

 

No pulling

161

VBRIR_CS

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

VBRIR_CS is used be chip select

 

 

 

 

pin.

Advantech

suggests

to

 

 

 

 

connect the pin to DS1804 7th pin.

 

162

CRT_B

AO

The blue CRT output.

 

 

No pulling

163

nVCONR_INC

O

One of STN LCD contrast control

No pulling

 

 

 

signals. nVCONR_INC is used be

 

 

 

 

increase/decrease Wiper

Control

 

23

Image 23
Contents Advantech Risc SOM-A2552 Series Module User’s ManualAcknowledgements CopyrightRevision History Version Date Reason SOM-A2552 series Design highlight SOM-A2552 series Architecture 1.1 IntroductionSOM-A200 architecture SOM-A2552 benefit Software Development Tools Testing SetSOM-A2552 series design-in package SOM-A255x series support CD includesLCD-A104-TTS1-0 Optional item Risc CE-BuilderLCD-A057-STQ1-0 Optional item LCD-A064-TTV1-0 Optional itemSOM-A2552 Block diagram System Memory SoC Intel XScale PXA255 introductionEnhance Graphic Chip SMI SM501 introduction Cpld System SpecificationsAudio Codec Mechanical Specification Input DC Operating Conditions Power System RequirementPower Consumption Symbol Description Min Typ MaxAssignments and Descriptions Connector LocationsX1 AMI bus CSB Mating Connector table VendorX2 SODIMM-200 connector X3 Feature Extension connectorPin type Pin DefinitionSODIMM-200 Pin Out Table JP1 PXA255 Jtag pin headerSASKTA4 SASKTA9SASKTA6 SASKTA7SASKT1RDY AC97LINEINMicin SASKT1VCCBatvcc SASKT0VCCPwren Smbusdat NDCINSysvcc SYSVCC3P3UART2RTS UsbcpBuzzerout USBLINK5VUART3CTS UART2CTSUART3TXD UART2DTRUART5RXD VbkenaUSBN1 USBP1Flmvsync VconrcsCrtvsync CrtsdaLphsync ADDR12 ADDR15ADDR14 ADDR13Bufsdclk BUFDQM0BUFDQM2 BUFDQM3DATA0 ADDR19ADDR21 ADDR23LAN1IRQ KeypadirqPXAGP7 EvairqPXAGP84 PXAGP81PXAGP82 PXAGP83DMAACK1 DMAREQ1Mbreq A50 3M6864 Model Default stateB50 MbgntA20 A18ZV8 MMDAT3MMDAT0 ZV9ZV3 ZV6ZV5 ZV4Vpclk System Bus2 COM A507 SD/MMC USB 1.1 HostUSB 1.1 client 5 T/SCRT-out Buzzer Control Interface System Reset InterfaceZoom Video ZV port PCI I/F Thru Power-inputBack-up power input System Management Bus SM Bus interface