Eurotech Appliances ZEUS PXA270 User Manual
Page 24
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
, page
33 2
SRAM_CS5#
Output Low Chip Select 5 - SRAM
, page
34
1 GSM_FFRXD Input
NA Modem Receive Data
Wireless modem and
GPS receiver
, page
35 0
CF_CD#
Input
Compact Flash Card Detect
IRQ
3
, page
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
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
, page
46 2
GPS_STDRXD
Input
NA GPS
Receive
Data
47 1
GPS_STDTXD
Output
NA GPS
Transmit
Data
Wireless modem and
GPS receiver
, page
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
,
continued…