Table 7: Flow Control Support On Uart3 - Mistral OMAP35 Series Hardware User's Manual

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be done using appropriate settings on jumper J8. UART 3 is available on the
connector P21.
UART 1: This interface provides serial communication through Serial Port
connector P20 on EVM Main Board. (Requires proper jumper selection on
J8 – Install a Shunt between J8-1 & J8-2).
UART 2: This interface provides serial communication through Serial Port
connector P20 on EVM Main Board (Requires proper jumper selection on J8
– Install a Shunt between J8-2 & J8-3).
UART 3: This interface is used for peripheral booting of the OMAP
processor. (Connector P21 on EVM Main Board). UART3 can also be
disabled and made available to the expansion connectors using the SW1-3
switch setting on OMAP Processor module.
SW1-3 – OFF
SW1-3 – ON
UART3 communication port is supported with flow control. However
o
by default it is not enabled. To enable the Flow controlled
communication refer the below table
T2_GPIO
_2
LOW
LOW
HIGH
UART3 on RS-232 connector (P21)
UART3 on Expansion connector
GPIO_55
(nFULL_MODEM_EN_1V8)
LOW
HIGH
X
Table 7:
Flow control Support on UART3
Hardware User Guide
UART3 Port – Flow
control
UART3 Port Supported
with flow control on P21
UART3 Port Supported
without flow control.
UART3_CTS &
UART3_RTS signals are
available on Expansion
connector
Expansion connector.
GPIO_55 is also available
on the Expansion
connector. (Default case)

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