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Eurotech Appliances ZEUS PXA270 User Manual

Page 24

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ZEUS Technical Manual

Detailed hardware description

© 2007 Eurotech Ltd Issue D

24

GPIO

No AF Signal name Dir

Active Function

Wake-up
source


See section…

32 2

MMCLK

Output

NA

SDIO

Clock

SDIO

, page

39

33 2

SRAM_CS5#

Output Low Chip Select 5 - SRAM

Static RAM

, page

34

34

1 GSM_FFRXD Input

NA Modem Receive Data

Wireless modem and
GPS receiver

, page

35

35 0

CF_CD#

Input

Compact Flash Card Detect
IRQ

3

CompactFlash

, page

40

36 1

GSM_FFDCD#

Input

NA Modem Data Carrier Detect

37 1

GSM_FFDSR#

Input

NA Modem Data Sender Ready

38

1 GSM_FFRI# Input

NA Modem Ring Indicator

39 2

GSM_FFTXD

Output

NA

Modem

Transmit

Data

40 2

GSM_FFDTR#

Output

NA

Modem Data Terminal
Ready

41 2

GSM_FFRTS#

Output

NA Modem Request To Send

Wireless modem and
GPS receiver

, page

35

42

1 ZB_BTRXD

Input

NA ZigBee Receive Data

43 2

ZB_BTTXD Output

NA

ZigBee

Transmit

Data

44

1 ZB_BTCTS# Input

NA ZigBee Clear To Send

45

2 ZB_BTRTS# Output

NA ZigBee Request To Send

IEEE802.15.4 / ZigBee
module

, page

37

46 2

GPS_STDRXD

Input

NA GPS

Receive

Data

47 1

GPS_STDTXD

Output

NA GPS

Transmit

Data

Wireless modem and
GPS receiver

, page

35

48

2 CB_POE#

Output Low Card Bus Output Enable

49

2 CB_PWE#

Output Low Card Bus Write Enable

50

2 CB_PIOR#

Output Low Card Bus I/O Read

51

2 CB_PIOW#

Output Low Card Bus I/O Write

Expansion interfaces

,

page

38

continued…