TI TMS570LS31

TMS570LS31 Hercules™ ARM®
Safety MCU Development Kit (HDK)
USER GUIDE
TMS570LS31 HDK User Guide
Table of Contents
1.
Introduction .................................................................................................... 5
1.1 Scope of Document ................................................................................. 5
1.2 TMS570LS31 HERCULES Development Kit (HDK) Features ................. 5
1.3 HDK Board Block Diagram ...................................................................... 6
1.4 TMS570LS31 HDK Contents ................................................................... 6
1.5 HDK Specifications .................................................................................. 7
1.6 Basic Operation ....................................................................................... 7
1.7 Memory Map ............................................................................................ 7
1.8 Power Supply........................................................................................... 8
2. Physical Description ...................................................................................... 9
2.1 Board Layout ........................................................................................... 9
2.2 Connectors .............................................................................................. 9
2.2.1 20Pin ARM JTAG Header ............................................................... 10
2.2.2 Ethernet Interface ............................................................................ 10
2.2.3 CAN Interface .................................................................................. 11
2.2.4 J19, MIPI ETM Connector ............................................................... 11
2.2.5 J7, XDS100V2 USB JTAG Interface ............................................... 13
2.2.6 P1, +12V Input ................................................................................ 13
2.2.7 SCI Interface ................................................................................... 14
2.2.8 Daughter Card Interface .................................................................. 14
2.3 LEDs ...................................................................................................... 18
2.4 S2 DIP Switch ........................................................................................ 20
2.5 Jumpers ................................................................................................. 20
2.6 S4, Power On Reset Switch................................................................... 20
2.7 S3, System Reset Switch....................................................................... 21
Appendix A ......................................................................................................... 22
Schematics ......................................................................................................... 22
This appendix contains the schematics for the TMS570LS31 HDK board. ......... 22
Appendix B ......................................................................................................... 36
Operation Notices ............................................................................................... 36
1 Support Resources ...................................................................................... 36
Figure 1, TMS570LS31 HDK Board Block Diagram............ Error! Bookmark not
defined.
Figure 2, TMS570LS31 HDK Board, Interfaces Top Side ..................................... 9
Figure 3, J2, J3 Screw Terminal Block................................................................ 11
Figure 4, J19, 60pin MIPI ETM Header............................................................... 12
Figure 5, +12 Volt Input Jack .............................................................................. 13
Figure 6, DIP Switch Settings ............................................................................. 20
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TMS570LS31 HDK User Guide
Table 1, TMS570LS31 Memory Map .................................................................... 7
Table 2, Power Test Points ................................................................................... 8
Table 3, Connectors on HDK Board...................................................................... 9
Table 4, 20pin ARM JTAG Header ..................................................................... 10
Table 5; J1, Ethernet Interface ............................................................................ 11
Table 6, J19, MIPI Connector Signal Mapping .................................................... 12
Table 7, J7, XDS100V2 USB JTAG Interface ..................................................... 13
Table 8, J14, USB Host Connector ....................... Error! Bookmark not defined.
Table 9, J16, USB Device Connector ................... Error! Bookmark not defined.
Table 10, Expansion Connector P2 (J10, Right, TopView) ................................. 14
Table 11, Expansion Connector P1 (J9, Left, TopView) ..................................... 15
Table 12, Expansion Connector P3 (J11, Bottom One, TopView) ...................... 17
Table 13, Demo LEDs......................................................................................... 18
Table 14, Other LEDs as Indicator ...................................................................... 19
Table 15, S2 DIP Switch Functions..................................................................... 20
Table 16, Jumpers .............................................................................................. 20
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TMS570LS31 HDK User Guide
About This Manual
This document describes the board level operations of the TMS570LS31
Hercules Development Kit (HDK). The HDK is based on the Texas Instruments
TMS570LS3137 337 BGA Microcontroller. The TMS570LS31 HDK is a table top
card that allows engineers and software developers to evaluate certain
characteristics of the TMS570LS31 microcontroller to determine if the
microcontroller meets the designer’s application requirements as well as begin
early application development. Evaluators can create software to execute on
board or expand the system in a variety of ways.
Notational Conventions
This document uses the following conventions:
The TMS570LS31 HDK will sometimes be referred to as the TMS570 HDK or
HDK.
Program listings, program examples, and interactive displays are shown in a
special italic typeface. Here is a sample program listing.
equations
!rd = !strobe&rw;
Information About Cautions
This book may contain cautions.
This is an example of a caution statement.
A caution statement describes a situation that could potentially damage your
software, or hardware, or other equipment. The information in a caution is
provided for your protection. Please read each caution carefully.
Related Documents, Application Notes and User Guides
Information regarding this device can be found at the following Texas
Instruments website:
http://www.ti.com/hercules
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TMS570LS31 HDK User Guide
1. Introduction
This development kit provides a product-ready hardware and software platform
for evaluating the functionality of the Texas Instruments TMS570LS31x and
TMS570LS21x microcontroller family. Schematics, list of materials, and PCB
layout are available to ease hardware development and reduce time to market.
1.1 Scope of Document
This user guide will list the contents of the development kit, point out the features
of the major components, and provide the instructions necessary to verify your
development kit is in working order. Any additional usage instructions or details
fall outside the scope of this document. Additional resources will be listed at the
end of this user guide.
1.2 TMS570LS31 HERCULES Development Kit (HDK) Features
The HDK comes with a full complement of on board devices that suit a wide
variety of application environments. Key features include:
• A Texas Instruments TMS570LS3137 337-ball BGA microcontroller
• On board USB XDS100v2 JTAG emulator
• ARM 20-pin JTAG debug header for external JTAG emulator
• External emulator detection circuit
• 10/100 Mbps Ethernet interface
• Two DCAN Transceivers and screw terminal blocks
• One ambient light sensor
• One ambient temperature sensor
• SCI accessible through a USB Virtual Port (VCP)
• One 8MB SDRAM
• Eight user programmable LEDs (2 tri-color LEDs, and 6 white LEDs)
• One user programmable pushbutton
• Three expansion connectors for hardware prototyping and daughter card
use
• Reset pushbuttons (nPOR and nRST)
• One SD card slot (SPI mode)
• Embedded trace macrocell (ETM) debug interface via MIPI connector
• Configurable pin mux options
• 5V and 3.3V ADC option jumper (configured 5V by default)
• Current measurement capability for 3.3V IO, 1.2V Core, 1.2V PLL, 3.3V or
5V ADC, and 3.3V VCCP.
• Power supply supporting 5V to 12V DC input
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TMS570LS31 HDK User Guide
1.3 HDK Board Block Diagram
Figure 1, TMS570LS31 HDK Board Block Diagram
1.4 TMS570LS31 HDK Contents
The kit contains everything needed to develop and run applications for
TMS570LS31 microcontrollers including:
Board
ƒ TMS570LS31 Card
Cables and Accessories
ƒ 12 volt power supply with power adapters for US, or Europe
ƒ Type A to mini B USB cable for using on board XDS100V2 JTAG
emulator
ƒ Category-5 Ethernet cable
ƒ Flashlight for light sensor demo
DVD Containing
ƒ Texas Instruments’ Code Composer Studio™ IDE (CCS)
ƒ nowFlash™ Flash Programming Tools
ƒ nowECC™ ECC Tool
ƒ HALCoGen GUI-based device configuration and driver examples
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TMS570LS31 HDK User Guide
ƒ
ƒ
ƒ
HET Co-Processor Assembler and Debug Environment (HET IDE)
Quickstart application source code (blinky example CCS4.x project)
Complete documentation
1.5 HDK Specifications
ƒ
ƒ
ƒ
ƒ
ƒ
Board supply voltage: 5V–12V Vdc
Board supply current: 130mA typ (fully active, CPU at 180 MHz)
Dimensions: 4.90” x 4.30” x 0.85” (LxWxH)
RoHS status: Compliant
CE and FCC status: Compliant
1.6 Basic Operation
The HDK is designed to work with TI’s Code Composer Studio and other ARM
IDE development tools. The IDE communicates with the board through the
embedded emulator or an external JTAG emulator. To start, follow the
instructions in the Quick Start Guide to install Code Composer. This process will
install all of the necessary development tools, documentation and drivers.
1.7 Memory Map
The TMS570LS31 family of MCUs have a large byte addressable address space.
The memory map table shows the address space of a TMS570LS31
microcontroller on the left with specific details of how each region is used by the
HDK on the right. By default, the internal memory sits at the beginning of the
address space.
The SDRAM is mapped into CS0 space on the EMIF. CS2/3/4 are used for
synchronous memory for example SRAM, NOR flash, NAND flash etc.
Table 1, TMS570LS31 Memory Map
Start
End Address
Address
0x0000 0000
0x002F FFFF
0x0800 0000
0x0803 FFFF
0x0840 0000
0x0843 FFFF
0x6000 0000
0x63FF FFFF
0x6400 0000
0x67FF FFFF
0x6800 0000
0x7BFF FFFF
0x8000 0000
0x87FF FFFF
7
HDK
Flash
RAM
RAM-ECC
CS2 Async RAM
CS3 Async RAM
CS4 Async RAM
CS0 Sync SDRAM
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TMS570LS31 HDK User Guide
1.8 Power Supply
The HDK board operates from a single +12V external power supply connected to
the main power input (P1), a 2.5 mm, barrel-type plug. Internally, the +12V input
is converted into +1.2V, +3.3V and +5.0V using Texas Instruments swift voltage
regulators and PTH power module. The +1.2V supply is used for the MCU core
while the +3.3V supply is used for the MCU's I/O buffers and other module on the
board. The +5.0 volt supply is used for ADC power (2nd option).
There are multiple power test points on the HDK board. The three main test point
pairs provide a convenient mechanism to check the HDK’s current for each
supply. The table below shows the voltages for each test point and what the
supply is used for.
Table 2, Power Test Points
Test Point Pair
Voltage
TP14 and TP15
1.2V
TP16 and TP17
3.3V
TP18 and TP19
1.2V
TP20 and TP21
3.3V
TP22 and TP23
3.3V or 5.0V (J8 to
enable 5V)
8
Voltage Use
MCU core
MCU IO and logic
MCU PLL
MCU Flash pump
MCU MibADC, and
ADREFHI
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TMS570LS31 HDK User Guide
2. Physical Description
This chapter describes the physical layout of the TMS570LS31 HDK board and
its interfaces.
2.1 Board Layout
The TMS570LS31 HDK board is a 4.9 x 4.3 inch (125 x 109 mm.) eight (8) layer
printed circuit board which is powered by an external +12 volt only power supply.
Figure 2 shows the layout of the TMS570LS31 HDK board.
Figure 2, TMS570LS31 HDK Board, Interfaces Top Side
2.2 Connectors
The HDK board has twenty nine (29) interfaces to various peripherals. These
interfaces are described in the following sections.
Table 3, Connectors on HDK Board
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TMS570LS31 HDK User Guide
Connector
J1
J2
J3
J4
J6
J7
J9
J10
J11
Size
RJ45
3 terminal, 2.54mm
3 terminal, 2.54mm
10x2, 2.54mm
19x2, mictor
4pin, Mini-B USB
33x2, 2mm
33x2, 2mm
40x2, 2mm
J12
J15
J19
P1
19x2, mictor
30x2, MIPI
2.5mm
Function
Ethernet
DCAN1
DCAN2
ARM 20pin JTAG header
RTP
XDS100V2 USB
Exp P1, SPI1, SPI5, ADC
EXP P2, SPI2, EMIF, ECLK
EXP P3, SPI3, GIO, NHET, DCAN,
Flexray, LIN
DMM
SD card
ETM MIPI Header
+12V In
2.2.1 20Pin ARM JTAG Header In addition to on board XDS100V2 JTAG. One 20pin ARM JTAG header is added
for using external emulator. This is the standard interface used by JTAG
emulators to interface to ARM microcontrollers. The pinout for the connector is
shown in the figure.
Table 4, 20pin ARM JTAG Header
Signal Name
Pin#
Vref
1
nTRST
3
TDI
5
TMS
7
TCK
9
RTCK
11
TDO
13
nRST
15
NC
17
NC
19
Pin#
2
4
6
8
10
12
14
16
18
20
Signal Name
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
2.2.2 Ethernet Interface The several configurations of the TMS570LS31 series integrate an Ethernet MAC
on chip. Please consult the family datasheets for availability. This interface is
routed to the on board PHY via CBT switches. The board uses a DP83640 PHY.
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The interface is isolated and brought out to an RJ-45 connector with integrated
magnetics, J1. The pinmux control DIP S2 is used to control the CBT FET switch
for Ethernet or other functions.
The J1 connector is used to provide a 10/100 Mbps Ethernet interface. This is a
standard RJ-45 connector. The cable end pinout for the J1 connector is shown in
the table below.
Table 5; J1, Ethernet Interface
Pin #
Signal
1
D0+
3
D15
D27
D3+
Pin #
2
4
6
8
Signal
D0D2+
D1D3-
Two LEDs are embedded into the connector to report link status (green LED) and
transmit/receive status of the PHY (yellow LED).
2.2.3 CAN Interface The TMS570LS31 has three DCAN interfaces which provide a high speed serial
interface. Two 3 pin screw terminal blocks, J2, J3, are used to interface to the
DCAN bus. The pinouts for this connector are shown in the figure below. H
means CAN High (CAN H), and L means CAN Low (CAN L).
Figure 3, J2, J3 Screw Terminal Block
H GND L
2.2.4 J19, MIPI ETM Connector The following figure and table show the 60 pin MIPI header.
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TMS570LS31 HDK User Guide
Figure 4, J19, 60pin MIPI ETM Header
Table 6, J19, MIPI Connector Signal Mapping
MCU Signals
Pin#
Pin#
MCU Signals
3.3V
1 2
TMS
TCK
3 4
TDO
TDI
5 6
System reset
RTCK
7 8
nTRST
NC
9 10
NC
NC
11 12
3.3V
ETMTACECLKOUT
13 14
NC
To GND thru 0 W
15 16
GND
EMTTRACECTL
17 18
ETMDATA[19]
ETMDATA[0]
19 20
ETMDATA[20]
ETMDATA[1]
21 22
ETMDATA[21]
ETMDATA[2]
23 24
ETMDATA[22]
ETMDATA[3]
25 26
ETMDATA[23]
ETMDATA[4]
27 28
ETMDATA[24]
ETMDATA[5]
29 30
ETMDATA[25]
ETMDATA[6]
31 32
ETMDATA[26]
ETMDATA[7]
33 34
ETMDATA[27]
ETMDATA[8]
35 36
ETMDATA[28]
ETMDATA[9]
37 38
ETMDATA[29]
ETMDATA[10]
39 40
ETMDATA[30]
ETMDATA[11]
41 42
ETMDATA[31]
ETMDATA[12]
43 44
NC
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TMS570LS31 HDK User Guide
ETMDATA[13]
45 46
NC
ETMDATA[14]
47 48
NC
ETMDATA[15]
49 50
NC
ETMDATA[16]
51 52
NC
ETMDATA[17]
53 54
NC
ETMDATA[18]
55 56
NC
GND
57 58
GND
NC
59 60
NC
2.2.5 J7, XDS100V2 USB JTAG Interface The USB connector J7 is used to connect to the host development system which
is running the software development IDE (CCS). The signals on this connector
are shown in the table below.
Table 7, J7, XDS100V2 USB JTAG Interface
Pin #
1
2
3
4
5
Signal Name
USBVDD
DD+
NC
USBVSS
Before the board is shipped, the FTDI port1 is configured as JTAG, and port2 is
configured as SCI. The CPLD is also programmed to route FTDI JTAG to MCU
JTAG.
The HDK features circuitry to detect the external JTAG emulator. If a device is
plugged onto the header J4 and J19, the DS1 LED will be turned on, and
XDS100V2 JTAG is disabled.
2.2.6 P1, +12V Input Connector P1 is the input power connector. This connector brings in +12 volts to
the HDK Board. This is a 2.5 mm. jack. The figure below shows this connector as
viewed from the card edge.
Figure 5, +12 Volt Input Jack
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TMS570LS31 HDK User Guide
+12V
GND
P1
text
text
PC Board
2.2.7 SCI Interface The internal SCI on the TMS570LS31 device is routed to the 2nd port of FTDI
chip. The FTDI USB driver makes the FT2232H 2nd 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
13
14
GND
14
GND
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TMS570LS31 HDK User Guide
Signal Name
Pin#
Pin#
Signal Name
MibSPI5ENA
H18
15
16
H19
MibSPI5CLK
MibSPI5CS[1]
B6
17
18
E19
MibSPI5CS[0]
MibSPI5CS[3]
T12
19
20
W6
MibSPI5CS[2]
MibSPI5SIMO[0]
J19
21
22
MibSPI5SIMO[1]
E16
23
24
E17
MibSPI5SOMI[1]
MibSPI5SIMO[2]
H17
25
26
H16
MibSPI5SOMI[2]
MibSPI5SIMO[3]
G17
27
28
G16
MibSPI5SOMI[3]
29
30
GND
No.
MibSPI5SOMI[0]
GND
AD1IN[1]
V17
31
32
W14
AD1IN[0]
AD1IN[3]
T17
33
34
V18
AD1IN[2]
AD1IN[5]
R17
35
36
U18
AD1IN[4]
AD1IN[7]
V14
37
38
T19
AD1IN[6]
39
40
GND
GND
AD2IN[1]
U13
41
42
V13
AD2IN[0]
AD2IN[3]
U16
43
44
U14
AD2IN[2]
AD2IN[5]
T15
45
46
U15
AD2IN[4]
AD2IN[7]
R16
47
48
R19
AD2IN[6]
49
50
AGND
GND
AD1IN[9]
W17
51
52
P18
AD1IN[8]
AD1IN[11]
U19
53
54
U17
AD1IN[10]
AD1IN[13]
T18
55
56
T16
AD1IN[12]
AD1IN[15]
P19
57
58
R18
AD1IN[14]
59
60
GND
POR_RSTn
ADREFHI
V15
61
62
V16
ADREFLO
AD1EVT
N19
63
64
V10
AD2EVT
65
66
EXP_12V
GND
Table 9, Expansion Connector P1 (J9, Left, TopView)
Signal Name
EXP_12V
15
Pin#
No.
1
Pin#
2
Signal Name
GND
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TMS570LS31 HDK User Guide
Signal Name
Pin#
ECLK
A12
RST
No.
Pin#
Signal Name
3
4
B14
ERRORn
5
6
M17
EMIF_CS[4]
EMIF_ADDR[21]
C17
7
8
C16
EMIF_ADDR[20]
EMIF_ADDR[19]
C15
9
10
D15
EMIF_ADDR[18]
EMIF_ADDR[17]
C14
11
12
D14
EMIF_ADDR[16]
EMIF_ADDR[15]
C13
13
14
C12
EMIF_ADDR[14]
EMIF_ADDR[13]
C11
15
16
C10
EMIF_ADDR[12]
EMIF_ADDR[11]
C9
17
18
C8
EMIF_ADDR[10]
EMIF_ADDR[9]
C7
19
20
C6
EMIF_ADDR[8]
EMIF_ADDR[7]
C5
21
22
C4
EMIF_ADDR[6]
EMIF_ADDR[5]
D9
23
24
D8
EMIF_ADDR[4]
EMIF_ADDR[3]
D7
25
26
D6
EMIF_ADDR[2]
EMIF_ADDR[1]
D5
27
28
D4
EMIF_ADDR[0]
29
30
GND
GND
EMIF_Wen
D17
31
32
K17
EMIF_CS[3]
EMIF_Oen
D12
33
34
L17
EMIF_CS[2]
EMIF_BA[1]
D16
35
36
D11
EMIF_DQMn[1]
EMIF_BA[0]
D13
37
38
D10
EMIF_DQMn[0]
39
40
GND
GND
EMIFDATA[1]
L16
41
42
K16
EMIFDATA[0]
EMIFDATA[3]
N16
43
44
M16
EMIFDATA[2]
EMIFDATA[5]
F4
45
46
E4
EMIFDATA[4]
EMIFDATA[7]
K4
47
48
G4
EMIFDATA[6]
EMIFDATA[9]
M4
49
50
L4
EMIFDATA[8]
EMIFDATA[11]
P4
51
52
N4
EMIFDATA[10]
EMIFDATA[13]
T6
53
54
T5
EMIFDATA[12]
EMIFDATA[15]
T8
55
56
T7
EMIFDATA[14]
57
58
GND
GND
SPI2_SOMI
D2
59
60
P3
EMIF_nWAIT
SPI2_SIMO
D1
61
62
D3
SPI2_CS1
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Signal Name
Pin#
SPI2_CS0
N3
EXP_12V
No.
63
64
65
66
Pin#
Signal Name
E2
SPI2_CLK
GND
Table 10, Expansion Connector P3 (J11, Bottom One, TopView)
Signal Name
Pin#
No. No.
Pin#
Signal Name
EXP_12V
1
2
GND
EXP_12V
3
4
GND
LINRX
A7
5
6
B7
LINTX
CAN1RX
B10
7
8
A10
CAN1TX
CAN2RX
H1
9
10
H2
CAN2TX
CAN3RX
M19
11
12
M18
CAN3TX
FRAYRX1
A15
13
14
A8
FRAYRX2
FRAYTX1
B15
15
16
B8
FRAYTX2
FRAYTXEN1
B16
17
18
B9
FRAYTXEN2
GIOA[1]
C2
19
20
A5
GIOA[0]
GIOA[3]
E1
21
22
C1
GIOA[2]
GIOA[5]
B5
23
24
A6
GIOA[4]
GIOA[7]
M1
25
26
H3
GIOA[6]
GIOB[1]
K2
27
28
M2
GIOB[0]
GIOB[3]
W10
29
30
F2
GIOB[2]
GIOB[5]
G2
31
32
G1
GIOB[4]
GIOB[7]
F1
33
34
J2
GIOB[6]
35
36
GND
GND
NHET1[1]
V2
37
38
K18
NHET1[0]
NHET1[3]
U1
39
40
W5
NHET1[2]
NHET1[5]
V6
41
42
B12
NHET1[4]
NHET1[7]
T1
43
44
W3
NHET1[6]
NHET1[9]
V7
45
46
E18
NHET1[8]
NHET1[11]
E3
47
48
D19
NHET1[10]
NHET1[13]
N2
49
50
B4
NHET1[12]
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TMS570LS31 HDK User Guide
Signal Name
Pin#
No. No.
Pin#
Signal Name
NHET1[15]
N1
51
52
A11
NHET1[14]
NHET1[17]
A13
53
54
A4
NHET1[16]
NHET1[19]
B13
55
56
J1
NHET1[18]
NHET1[21]
H4
57
58
P2
NHET1[20]
NHET1[23]
J4
59
60
B3
NHET1[22]
NHET1[25]
M3
61
62
P1
NHET1[24]
NHET1[27]
A9
63
64
A14
NHET1[26]
NHET1[29]
A3
65
66
K19
NHET1[28]
NHET1[31]
J17
67
68
B11
NHET1[30]
69
70
GND
GND
MibSPI3CS[3]
C3
71
72
B2
MibSPI3CS[2]
MibSPI3SIMO
W8
73
74
V8
MibSPI3SOMI
MibSPI3CS[1]
V5
75
76
V10
MibSPI3CS[0]
MibSPI3ENA
W9
77
78
V9
MibSPI3CLK
79
80
EXP_12V
GND
2.3 LEDs
The TMS570LS31 HDK board has nineteen (19) LEDs. Eight of these LEDs
(Table 13 are under user control: seventeen are white LEDs and two are tri-color
LEDs. Those LEDs are controlled and programmed by NHET signals.
LEDs DS2, DS3, DS4, and DS5 indicate the presence of the power (+1.2V, +5V,
3.3V, and 12V) s on the board. The LED functions are summarized in the table
below.
Table 11, Demo LEDs
LED#
Location
Signals
Color
D3
Left Top
NHET1[17]
White
D4
Top
NHET1[31]
White
D5
Right Top
NHET1[0]
White
D6
Right Bottom
NHET1[25]
White
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D7
Bottom
NHET1[18]
White
D8
Left bottom
NHET1[29]
White
LED1 (Tri-color)
Left
NHET1[16]
Red
NHET1[27]
Blue
NHET1[04]
Green
NHET1[20]
Red
NHET1[05]
Blue
NHET1[02]
Green
LED2 (Tri-color)
Right
Table 12, Other LEDs as Indicator
Num
LED
Color
D1
nERROR
RED
D10
XDS100V2 SCI RX
Blue
D11
XDS100V2 SCI TX
Blue
D12
XDS100V2 PWRENn
Blue
D2
JTAG TDI
Blue
D9
Ethernet Speed
Blue
DS1
ARM JTAG Plugin
Blue
DS2
VCC_1V2
Blue
DS3
VCC_5V
Blue
DS4
VCC_3V3
Blue
DS5
VCC_12V
Blue
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2.4 S2 DIP Switch
There is one 4-position DIP switches located on the left-bottom corner at
reference designator S2. By default, all of the switches are set to the “OFF”
position and should remain in that position when completing the steps in this user
guide.
Figure 6, DIP Switch Settings
1 2
1
2
3
4
3
4
The S2 DIP switch is reserved for user applications. Table 15 describes the
function of each channel on S2.
Table 13, S2 DIP Switch Functions
Switch
OFF Position
ON Position
Reserved
Reserved
S2:1*
Reserved
Reserved
S2:2
Reserved
Reserved
S2:3
Ethernet Disabled
Ethernet Enabled
S2:4
*Note: S2:1 indicates slide 1 on the S2 DIP switch, S2:2 indicates slide 2 on the
S2 DIP switch, and so on.
2.5 Jumpers
HDK board has two (2) jumpers which are used to enable/disable the on-board
SDRAM and select 5V or 3.3V ADC as such:
Table 14, Jumpers
Jumper #
Off
5V ADC
J8
SDRAM on
J13
On
3.3V ADC
SDRAM Off
2.6 S4, Power On Reset Switch
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Switch S4 is a momentary switch that asserts power on reset to the
TMS570LS31 device. The POR condition is intended to reset all logic on the
device including the test/emulation circuitry.
TMS570 MCU has two resets: Warm Reset (nRST) and Power On Reset
(nPORRST. The POR can be invoked by pushing POR_RESET button, or by
RESET signals from XDS100 CPLD, ARM JTAG SREST, or MIPI connector.
2.7 S3, System Reset Switch
Switch S3 to assert a warm reset the TMS570LS31 device. However, a warm
reset does not reset any on-chip test or emulation logic. The reset signal from the
windowed watchdog will also assert a warm reset to MCU.
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Appendix A
Schematics
This appendix contains the schematics for the TMS570LS31 HDK board.
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Appendix B
Operation Notices
The user assumes all responsibility and liability for proper and safe handling of the
boards. It is the user's responsibility to take any and all appropriate precautions with
regard to electrostatic discharge.
1 Support Resources
1. If you have problems or need additional information regarding the embedded
emulation please refer to the XDS100 USB wiki on the TI web site. The URL for this
site is:
http://tiexpressdsp.com/index.php?title=XDS100
2. Code Composer Studio support is available via a forum at:
http://community.ti.com/forums/138.aspx
3. Hercules Processor and Kit Support is available at:
http://www.ti.com/hercules-support
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