UEVM4460G-02-01-00 PandaBoard, UEVM4460G-02-01-00 Datasheet - Page 28

• Manufacturer Part Number: UEVM4460G-02-01-00
• Description: Development Boards & Kits - ARM PANDABOARD ES
• Manufacturer: PandaBoard

Specifications of UEVM4460G-02-01-00

• Rohs: yes
• Product: Reference Designs
• Tool Is For Evaluation Of: OMAP4460
• Core: ARM Cortex A9
• Interface Type: Ethernet, RS-232, UART, USB
• Operating Supply Voltage: 5 V
• Data Bus Width: 32 bit
• Dimensions: 114.3 mm x 101.6 mm
• Processor Series: OMAP 4
• For Use With: OMAP4460

A single RS-232 port is provided on the Pandaboard ES via 9-pin D-sub female connector at location P4.
It provides access to the UART3 interface of the OMAP4460. See Figure 5 for the implementation of the
RS232 port.
The TXS0104EZXUR device at U20 is a voltage translator that translates between the 1.8V logic levels
required by the OMAP4460 processor to the 3.3V logic levels required by the SN75C3232EDR. The
SN75C3232EDR @ U23 is an RS-232 transceiver that converts the 3.3V logic signals to/from the voltage
translator to the RS-232 signal levels required (-5V to +5V).
The UART port at P4 can be accessed by using Teraterm or other terminal emulation program. To use
this UART interface, the serial port settings should be applied as follows:
This port requires the use of a 9-pin D-sub Male to Female cable.
The OMAP4460 Pandaboard ES supports removable memory storage via onboard SD/MMC card cage.
It is an eight-bit card cage that supports 1.8V or 3.0V cards. Card detect functionality is supported via the
TWL6030 power companion IC. See Figure 6 for a block diagram of the interface signaling to the card
cage. The resistors shown in Figure 6 below are 33 ohm series termination resistors.
2.10
2.11
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Debug UART Interface
BAUD RATE: 115200
DATA: 8 bit
PARITY: none
STOP: 1bit
FLOW CONTROL: none
SD/MMC Connector
Figure 5 – Panda UART3/RS-232 Block Diagram
OMAP4460 Pandaboard ES
System Reference Manual
Page 28 of 82
September 29, 2011
Revision 0.1
DOC-21054