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ConnectCore XP 270 GPIOs
GPIOs. The direction of the pin is controlled by the peripheral directly overriding the
GPIO direction settings for these pins (GPDR).
Note that the alternate function for input and output variants of these functions is
the same. For example, configuring GPIO[112] with the alternate function 01 selects
MMCMD in both input and output mode.
ConnectCore XP 270 GPIO use
This table shows GPIO use in both the XScale PXA270 and ConnectCore XP 270
modules. The shaded entries have explanatory comments following the table.
XScale PXA270
ConnectCore XP 270
PBGA
ball#
U20
U21
V21
V22
T19
Y19
AA21
Y18
W17
T22
GPIO
#
0
1
/
3
4
5
/
/
/
9
Prim Func
GPIO0
GPIO1
SYS_EN
PWR_SCL
PWR_SDA
PWR_CAP0
PWR_CAP1
PWR_CAP2
PWR_CAP3
/
Sec Func
/
/
/
/
/
/
/
/
/
/
Third Func
/
/
/
/
/
/
/
/
/
FFCTS
Reset
GPIO/
PD
GPIO/
PU
SYS_
EN
GPIO/
PU
GPIO/
PU
/
/
/
/
GPIO/
PD
Name Selec
GPIO0
GPIO1
SYS_EN
PWR_SCL
PWR_SDA
PWR_CAP0
PWR_CAP1
PWR_CAP2
PWR_CAP3
NC
Type
INP
INP
Undef
INP
INP
Undef
Undef
Undef
Undef
OUT
Alt
Func
AF0
AF0
Undef
AF1
AF1
Undef
Undef
Undef
Undef
AF0
Level
HIGH
HIGH
Undef
HIGH
HIGH
Undef
Undef
Undef
Undef
HIGH
Interr
R_EDGE
R_EDGE
Undef
NO_EDGE
NO_EDGE
UndEf
Undef
Undef
Undef
NO_EDGE
HZ_CLK
/
CHOUT0
U22
10
FFDVD
/
USB_P3_5
GPIO/
PD
GPIO10
INP
AF0
HIGH
NO_EDGE
HZ_CLK
/
CHOUT1
A8
11
EXT_SYNC0
SSPRXD2
USB_P3_1
GPIO/
PD
NC
OUT
AF0
HIGH
NO_EDGE
CHOUT0
PWM_OUT2
48_MHz
38
ConnectCore XP 270 Hardware Reference, Rev. B
01/2006
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