GPIO Expansion
PHYTEC Meßtechnik GmbH 2004 L-657e_0
77
Pin Number
Signal
I/O
Comments
Pin row X17D
55D,
56D,
57D,
58D,
60D,
61D,
62D,
63D,
65D,
66D,
67D,
68D,
70D
EGPIO2,
EGPIO4,
EGPIO5,
EGPIO7
EGPIO10,
EGPIO12,
EGPIO13,
EGPIO15,
EGPIO19,
EGPIO20,
EGPIO21,
EGPIO23,
EGPIO26
I/O
Additional GPIOs generated by the
MAX7301 IC with 7 interrupt-capable
inputs for connection to a matrix keyboard
71D
SSP_EXTCLK
I
SSP external clock
alternative: GPIO 27
72D
SSP_CLK
O
SSP clock signal
alternative: GPIO 23
73D
SSP_SFRM
I/O
SSP frame signal
alternative: GPIO 24
75D
FL_DIS
I
Signal to disable internal Flash
76D
H_SUSWKUP
I/O
USB controller /H_SUSWKUP
77D
D_SUSWKUP
I/O
USB controller /D_SUSWKUP
78D
OTG_LED
I/O
USB controller LED signal
80D
/INT_RTC
O
Interrupt output RTC
Table 46:
GPIO Expansion Bus X17 Pin Assignment
Summary of Contents for phyCORE-PXA255
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