TMS570LS31 HDK User Guide
14
Texas Instruments Proprietary Information – Internal Data
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P1
PC Board
GND
+12V
2.2.7
SCI
Interface
The internal SCI on the TMS570LS31 device is routed to the 2
nd
port of FTDI
chip. The FTDI USB driver makes the FT2232H 2
nd
channel appear as a virtual
COM port (VCP). This allows the user to also have standard PC serial
communications with the HDK using the same USB interface as the on-board
emulator
2.2.8
Daughter
Card
Interface
The HDK provides expansion connectors that can be used to accept plug-in
daughter cards. The daughter card allows users to build on their EVM platform to
extend its capabilities and provide customer and application specific I/O. The
expansion connectors are for all major interfaces including asynchronous
memory, peripherals, Flexray, and A/D expansion.
The pin outs for this interface are documented in Chapter 3. There are three
daughter card interfaces, J9, J10, J11. These connectors are described in the
table below.
Table 8, Expansion Connector P2 (J10, Right, TopView)
Signal Name
Pin#
No.
Pin#
Signal Name
EXP_12V
1
2
GND
EXP_12V
3
4
GND
MibSPI1ENA
G19
5
6
F18 MibSPI1CLK
MibSPI1CS[1]
F3
7
8
R2 MibSPI1CS[0]
MibSPI1CS[3]
J3
9
10
G3 MibSPI1CS[2]
MibSPI1SIMO
F19
11
12
G18 MibSPI1SOMI
GND
13
14
GND
Summary of Contents for Hercules TMS570LS31
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