About the development board Switches and push-buttons
ConnectCore for i.MX51 Hardware Reference Manual
70
SwitchPin Function Comments
S8.2 On =
Reserved
Off = Boot
from
microSD™
Applies only if switch S9 is configured in internal
boot mode and S8.1 is configured to boot from
expansion device
S8.3 / S8.4 On / On =
UART1 (MEI)
If S9 is configured in serial boot loader
S8.3 / S8.4 On / Off =
UART2
(Console)
If S9 is configured in serial boot loader
S8.3 / S8.4 Off / On =
UART3 (TTL)
If S9 is configured in serial boot loader
S8.3 / S8.4 Off / Off =
Reserved
If S9 is configured in serial boot loader
Use S9 to configure the module boot mode:
Switch Pin Function Comments
S9.1 / S9.2 Off / Off Internal Boot configured by switch S8
S9.1 / S9.2 Off / On Reserved
S9.1 / S9.2 On / Off Internal Boot configured by fuse block
S9.1 / S9.2 On / On Serial downloader
For a detailed description of the ConnectCore for i.MX51 boot mode functionality, refer to the
Freescale i.MX51 Processor Hardware Reference Manual.
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