Functional Description
COMX-P4080-2G-ENP2 Installation and Use (6806800P63B)
43
4.11 GPIO
COMX-P4080-2G-ENP2 consists of totally 21 GPIOs. The following table lists the GPIOs:
16
FFFF F000
0 FFFF F000
0000 1000 - 4KB
BOOT PAGE
Only upto 2GB memory is mapped in u-boot and the other memory is left unmapped and
not used if more than 2GB memory is fitted. More than 2GB can be used in Linux. Up to 4GB
has been verified.
Address #4 and #5 is used instead of address #3 if RIO is configured.
Table 4-5 Memory Map
Address#
32-bit Effective
Base Address
36-bit Physical Base Address Size
Description
Table 4-6 GPIO
GPIO Name
Function
CPU_GPIO0
GPI0 of COME connectors
CPU_GPIO1
GPI1 of COME connectors
CPU_GPIO2
GPI3 of COME connectors
CPU_GPIO3
GPI4 of COME connectors
CPU_GPIO4
GPO0 of COME connectors
CPU_GPIO5
GPO1 of COME connectors
CPU_GPIO6
GPO3 of COME connectors
CPU_GPIO7
GPO4 of COME connectors
CPU_GPIO19
Clock generators enable control
CPU_GPIO20
Carried board reset output
CPU_GPIO23
Clock generator of bank 1 frequency
selection
Summary of Contents for COMX-P4080-2G-ENP2
Page 1: ...COMX P4080 2G ENP2 Installation and Use P N 6806800P63B August 2014 ...
Page 6: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B Contents 6 Contents Contents ...
Page 8: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B 8 List of Tables ...
Page 10: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B 10 List of Figures ...
Page 18: ...COMX P4080 2G ENP2 Installation and Use 6806800P63B Safety Notes 18 ...
Page 30: ...Hardware Preparation and Installation COMX P4080 2G ENP2 Installation and Use 6806800P63B 30 ...
Page 68: ...BSP COMX P4080 2G ENP2 Installation and Use 6806800P63B 68 ...
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