Advantech SOM-A2552 manual A18, A20

Page 33

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

A15

N.C.

-

N.C. just float this pin.

-

B16

N.C.

-

N.C. just float this pin.

-

A16

N.C.

-

N.C. just float this pin.

-

B17

N.C.

-

N.C. just float this pin.

-

A17

N.C.

-

N.C. just float this pin.

-

B18

GND

P

Ground

-

A18

N.C.

-

N.C. just float this pin.

-

B19

N.C.

-

N.C. just float this pin.

-

A19

GND

P

Ground

-

B20

N.C.

-

N.C. just float this pin.

-

A20

N.C.

-

N.C. just float this pin.

-

B21

N.C.

-

N.C. just float this pin.

-

A21

N.C.

-

N.C. just float this pin.

-

B22

N.C.

-

N.C. just float this pin.

-

A22

N.C.

-

N.C. just float this pin.

-

B23

N.C.

-

N.C. just float this pin.

-

A23

N.C.

-

N.C. just float this pin.

-

B24

N.C.

-

N.C. just float this pin.

-

A24

N.C.

-

N.C. just float this pin.

-

B25

N.C.

-

N.C. just float this pin.

-

A25

N.C.

-

N.C. just float this pin.

-

B26

N.C.

-

N.C. just float this pin.

-

A26

N.C.

-

N.C. just float this pin.

-

B27

N.C.

-

N.C. just float this pin.

-

A27

N.C.

-

N.C. just float this pin.

-

B28

N.C.

-

N.C. just float this pin.

-

A28

N.C.

-

N.C. just float this pin.

-

B29

N.C.

-

N.C. just float this pin.

-

A29

N.C.

-

N.C. just float this pin.

-

B30

N.C.

-

N.C. just float this pin.

-

A30

N.C.

-

N.C. just float this pin.

-

B31

N.C.

-

N.C. just float this pin.

-

A31

N.C.

-

N.C. just float this pin.

-

B32

N.C.

-

N.C. just float this pin.

-

A32

N.C.

-

N.C. just float this pin.

-

B33

N.C.

-

N.C. just float this pin.

-

A33

N.C.

-

N.C. just float this pin.

-

B34

N.C.

-

N.C. float this pin.

-

A34

N.C.

-

N.C. float this pin.

-

B35

 

 

SD/MMC interface card detect pin.

Pull high with

 

 

 

If user doesn’t need MMC/SD

100Kohm

 

nMMCD

I

function, user could use this pin as

 

 

 

 

GPIO. The pin connects to SoC

 

 

 

 

PXA255 GPIO12.

 

A35

 

 

MMC clock. Clock signal for the

No pulling

 

 

 

MMC Controller. If user doesn’t

 

 

MMCLK

O

need MMC/SD function, user could

 

 

 

 

use this pin as GPIO. The pin

 

 

 

 

connects to SoC PXA255 GPIO6.

 

33

Image 33
Contents Advantech Risc SOM-A2552 Series Module User’s ManualAcknowledgements CopyrightRevision History Version Date Reason SOM-A2552 series Architecture 1.1 Introduction SOM-A200 architectureSOM-A2552 series Design highlight SOM-A2552 benefit SOM-A2552 series design-in package Testing SetSOM-A255x series support CD includes Software Development ToolsLCD-A057-STQ1-0 Optional item Risc CE-BuilderLCD-A064-TTV1-0 Optional item LCD-A104-TTS1-0 Optional itemSOM-A2552 Block diagram SoC Intel XScale PXA255 introduction Enhance Graphic Chip SMI SM501 introductionSystem Memory Cpld System SpecificationsAudio Codec Mechanical Specification Power Consumption Power System RequirementSymbol Description Min Typ Max Input DC Operating ConditionsAssignments and Descriptions Connector LocationsX2 SODIMM-200 connector CSB Mating Connector table VendorX3 Feature Extension connector X1 AMI busSODIMM-200 Pin Out Table Pin DefinitionJP1 PXA255 Jtag pin header Pin typeSASKTA6 SASKTA9SASKTA7 SASKTA4Micin AC97LINEINSASKT1VCC SASKT1RDYSASKT0VCC PwrenBatvcc Sysvcc NDCINSYSVCC3P3 SmbusdatBuzzerout UsbcpUSBLINK5V UART2RTSUART3TXD UART2CTSUART2DTR UART3CTSUSBN1 VbkenaUSBP1 UART5RXDCrtvsync VconrcsCrtsda FlmvsyncLphsync ADDR14 ADDR15ADDR13 ADDR12BUFDQM2 BUFDQM0BUFDQM3 BufsdclkADDR21 ADDR19ADDR23 DATA0PXAGP7 KeypadirqEvairq LAN1IRQPXAGP82 PXAGP81PXAGP83 PXAGP84DMAREQ1 MbreqDMAACK1 B50 Model Default stateMbgnt A50 3M6864A20 A18MMDAT0 MMDAT3ZV9 ZV8ZV5 ZV6ZV4 ZV32 COM System BusA50 VpclkUSB 1.1 client USB 1.1 Host5 T/S 7 SD/MMCCRT-out System Reset Interface Zoom Video ZV portBuzzer Control Interface Back-up power input Power-inputSystem Management Bus SM Bus interface PCI I/F Thru