Infineon Technologies XMC1300 User manual

Customer Documentation 1 V1.0, 2015-10
Scope and purpose
This document describes the features and hardware details of XMC1300 Digital Power Control Card,
designed to provide an evaluation platform for digital control applications with XMC ARM®Cortex™M0 based
microcontroller. This board is part of Infineon’s Digital Power Control Application Kit.
Applicable Products
XMC1300 Microcontroller
XMC Digital Power Explorer Kit
DAVE™
References (optional, may be shifted to Appendix)
Infineon: DAVE™, http://www.infineon.com/DAVE
Infineon: XMC Family, http://www.infineon.com/XMC
XMC Digital Power Explorer, http://www.infineon.com/xmc_dp_exp
Example codes for this board, www.infineon.com/DAVE
XMC1000
32-bit Microcontroller Series for Industrial Applications
XMC1300 Digital Power Control Card User
Manual
UG_201511_PL30_002
Board User Manual

XMC1300 Digital Power Control Card User Manual
UG_201511_PL30_002
Table of Contents
Board User Manual 2 V1.0, 2015-10
Customer Documentation
Table of Contents
1Overview....................................................................................................................3
1.1 Key Features........................................................................................................................................3
1.2 Block Diagram .....................................................................................................................................3
2Hardware Description..................................................................................................5
2.1 Power Supply ......................................................................................................................................5
2.2 Debug Interface...................................................................................................................................6
2.2.1 Debug Connector Options ............................................................................................................7
2.2.2 Removing the On-Board Debugger ..............................................................................................8
2.3 User LEDs and testpoints....................................................................................................................8
2.4 Power Board Connector......................................................................................................................9
2.5 Comparator reference generation....................................................................................................11
2.6 Analog Comparator input filter option.............................................................................................13
2.7 Analog to Digital Converter (ADC) input filter ..................................................................................14
2.8 Communication channel options.....................................................................................................14
3Prodcution Data........................................................................................................16
3.1 Schematics ........................................................................................................................................16
3.2 Component Placement.....................................................................................................................20
3.3 Bill Material (BOM).............................................................................................................................20
4Revision History........................................................................................................23

XMC1300 Digital Power Control Card User Manual
UG_201511_PL30_002
Overview
Board User Manual 3 V1.0, 2015-10
Customer Documentation
1Overview
The XMC1300 Digital Power Control Card is an evaluation board with the goal to help engineers in the
learning and testing of digital power control applications. The board features a XMC1300 microcontroller
base on ARM®Cortex™M0 core.
The tiny dimensions of the board allow using this evaluation card into designs with high requirements on
power density. In particular the dimensions of XMC1300 Digital Power Control Card permit its usage in 1U
rack power supply designs. The control card integrates an isolated on board debugger for ease of usage that
can be removed once the code is finalized.
This board has been developed with the collaboration of Würth Elektronik whose passive components and
mechanical components are used.
1.1 Key Features
The XMC1300 Digital Power Control Card is equipped with the following features
Infineon XMC1300 (ARM®Cortex™-M0-based) Microcontroller, up to 200 kByte on-chip Flash, TSSOP38
Connection to power board like Digital Power Explorer, via the power board connector
USIC interface connector for connection of UART or PMBus™(I2C)
4 LEDs
−1 Power indicating LED- “Power OK” from power board side
−1 User LEDs (P1.4)
−2 Debugger controller LEDs (DEBUG, COM)
Isolated Debug options
−On-Board Debugger (SEGGER J-Link LITE) via USB connector
−ARM®Cortex™9 pin connector (1.27 mm pitch - double row) on non-isolated section. Isolation needs to
be built between this connector and the computer side to avoid overvoltage in computer.
Isolated Connectivity
−UART channel of On-Board Debugger (SEGGER J-Link LITE) via USB connector
Power supply of MCU domain
−Via power board connector (12V). Converted to 3.3V with Infineon supply parts
Power supply of isolated debug domain
−Via Debug USB connector
1.2 Block Diagram
Figure 1 shows the functional block diagram of the XMC1300 Digital Power Control Card. For more
information about the power supply domains please refer to chapter 2.1.
The control card is comprised of the following building blocks:
1 Power Board Connector
1 User LED connected to GPIOs (P1.4)
1 user test points (P1.4)
USIC0 CH0 interface to power board (P1.0, P1.1)
Isolated On-board Debugger via Debug USB connector (Micro-USB) with UART channel (USIC0, channel
0)
Optional ARM®Cortex™-Debug interface connector

XMC1300 Digital Power Control Card User Manual
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Overview
Board User Manual 4 V1.0, 2015-10
Customer Documentation
BlockDiagram_XMC1300.emf
ADC
Power Board Connector
Debug
USB
On-board
Debugger
XMC4200
Debug
SWD/SPD
USIC
U0C1
8x PWM
3xCOMP
isolation
GPIO 4x GPIO
XMC1300 Digital Power Control Card V1
KIT_XMC13_DPCC_V1
GPIO
CCU80
8X channels
USIC
U0C0
User LED Test point
12V
2x channels
COMP
XMC1302
TSSOP38
CCU
(PWM DAC) RC Filters
+
-
Figure 1 Block Diagram of XMC1300 Digital Power Control Card

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Hardware Description
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2Hardware Description
The following sections give a detailed description of the hardware and how it can be used.
Board_Interfaces_XMC13.emf
XMC1300
Microcontroller
Power indicating
LED
Power Board
Connector
Debug
Connector
options
Power GND
Domain
Isolated
domain
Test points
Test LEDs
ADC
inputs test
points
ARM Cortex 9
pin debugger
connector option
USB connector
to PC
Debugger
controller –
XMC4200
Galvanic
isolation IC
Power supply
circuit
Split debugger
line
Figure 2 XMC1300 Digital Power Control Card hardware description
2.1 Power Supply
The XMC1300 Digital Power Control Cardboard is designed with two galvanically isolated supply domains.
On the left side, there is the debug domain or isolated domain, which contains a XMC1300 MCU as on-board
debug controller (OBD). The isolated domain is powered via the USB plug (5V)
The rest of the control card is called power GND supply domain. This part is supplied from the power board
connector and the control card will step down the input voltage to the 3.3V that XMC1300 requires. This
supply domain is usually powered from the power board connector. The typical current drawn by the drive
card at the power GND domain is about 18 mA at 12 V input voltage.
To indicate the power status of the power GND domain, one indicating LED is provided on board (see Figure
2). The LED will be “ON” when the corresponding power rail is powered.
LED Reference
Power Rail
Voltage
LED102
VDD3.3
3.3 V

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Figure 3 shows details of the power supply concept of the control card. More detailed circuitry can be found
in section 3.1.
Figure 3 Installation of J-Link Serial Port Driver
2.2 Debug Interface
The XMC1300 Digital Power Control Card supports 2 different debug interfaces:
Isolated On-Board Debugger (OBD). This is the default connection.
Connect to computer with an USB cable. The control card includes a debugger controller and isolation
up to 1kV to protect the computer. This is the easiest way and is supported by DAVETM and other
debuggers
The On-Board Debugger [1] supports
Serial Wire Debug (SWD)
UART communication via a Virtual COM port
oPC_RXD_DEV P1.2 USIC0CH0.DOUT0
oPC_TXD_DEV P1.3 USIC0CH0.DX0A
[1] Attention: The firmware of the on-board debugger requires the latest J-Link driver (V5.00 or higher)
and a Serial Port Driver (CDC driver) installed on your computer. Please check “Install J-Link Serial
Port Driver” when installing the latest J-Link driver (see Figure 4)
XMC1300 Digital Power Control Card
KIT_XMC1300_DPCC_V1
Power Board Connector
Debug
USB
IC101
XMC1300
TSSOP38
Power_Block_XMC1300.emf
XMC4200
OBD
IFX54441
IC302
isolation
UART
SWD
Power ok
LED
IC301
VDD5ISO
VDD3.3ISO VDDIFX54441
IC303
VDD3.3

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Figure 4 Installation of J-Link Serial Port Driver
The On-Board Debugger can be accessed through the USB connector.
The Debug LED (LED301), named as DBG in the board, shows the status during debugging. The LED named
COM (LED302) signalizes the Virtual COM port communication with the computer.
9 pin ARM®Cortex™connector and an external galvanically isolated debugger hardware or “box”. This
option allows the user to utilize any ARM®Cortex™debugger in the market. The user must make sure that
the debugger box used provides galvanic isolation (typically 1kV) to avoid damage due to high voltages
in the computer.
2.2.1 Debug Connector Options
XMC1300 Digital Power Control Card includes 3 connector options for debugging. The default configuration
of the control card is prepared for OBD debug and therefore, none for the 3 connector options are
assembled. If required, user has to mount the corresponding pin headers. The 3 connector options are:
Two 8 pins connector: OBD Debug Connector (X301) and Debug Connector (X102)–2.54 mm header pitch
9pin ARM®Cortex™(X101)–1.27mm header pitch
Connectors are described in Figure 5
Figure 5 Pin assignment of Debug Connector (8-pin)
Debug_8pin_XMC1300.emf
OBD Debug
Connector (8-pin)
SWCLK
GND
SWIO
+3.3V
GND
PC_RXD_DEV
PC_TXD_DEV
+3.3V
ARM Cortex 9 pin
connector
SWCLK
1 2
3 4
5 6
7 8
SWIO
GND
GND
910
GND
+3.3V
1 2
3 4
5 6
7 8
Debug
Connector (8-pin)
P0.15
GND
1 2
3 4
5 6
7 8
P0.14
GND
P1.2
P1.3
+3.3V
+3.3V

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2.2.2 Removing the On-Board Debugger
XMC1300 Digital Power Control Card can be broken off into 2 parts by breaking the PCB as shown in Error!
Reference source not found.. This will reduce the size of the main controller part so that it can fit into 1U
standard sized rack systems once programmed. The control card can still be debugged in 2 different ways if
debugger part is removed (see Figure 6):
1. connecting a ribbon cable to both 8 pin connectors (main controller part and debugger part) or,
2. using the 9 pin connector option with an external debugger box. If the board is not broken, this
connection cannot work.
Attention: when using external debuggers, make sure that the debugger box includes a galvanic
isolation to the computer. If the control card is exposed to high voltages, this could produce
damage to the computer
Figure 6 Debug options when removing debugger part of control card
2.3 User LEDs and test points
The XMC1300 Digital Power Control Card provides a two user LEDs (P1.4). Next to the LED there is a test
point (P1.4) available in order to easily connect an oscilloscope’s probe for controlled trigger signals. Both
the LED and the test point are together due to the limited number of pins available.
Table 1 User LEDs
User LEDs
Connected to Port Pin
LED101
P1.4
Attention: The test point is referenced to power GND supply domain. Hence they may carry hazardous
voltages.
COM and DBG LEDs
8 pin debug
connector options
USB connector
to PC
Debugger
controller –
XMC4200
ARM Cortex 9 pin debugger
connector option
Remove_debugger_XMC13.e
mf
1
1
2

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2.4 Power Board Connector
The XMC1300 Digital Power Control Card provides a power board connector with a set of signals that can be
extensively used in power supply applications, from server power supplies to UPS or lighting power
supplies. In summary, the signals available in the connector are:
8 PWM signals
8 ADC analog inputs
3 comparator inputs
2 serial channels
4 general purpose pins
Figure 7 Control card power board connector schematic
Attention: The power board connector is also providing the power supply for the power GND supply
domain. Hence it may carry hazardous voltages.
As it can be seen in Figure 7, each signal entering XMC1300 Digital Power Control Card from the power board
connector is additionally protected by an ESD protection from Infineon.
XMC1300 has internal ESD protection in each pin, however, given the general purpose characteristic of this
control card, additional ESD protection is required to protect from very noisy power board environment that
could eventually damage the control card or the microcontroller in it.
The pin out of the connector is detailed in Table 2.
Table 2 Power board connector pin out
Pin
number
Signal Name
Port in
XMC1300
Peripheral function
Note
1
GND
Digital GND
2
VDD
12V input from power board to control
card
3
USIC2/GP5
P1.0
U0C0.DOUT0 or
U0C0.DX0C
Can be used as serial port or user port
pin
4
USIC0
Not
connected
(P1.3)
U0C1.SCLKOUT or
U0C1.DX1A
The power board connector is per
default disconnected to permit
communication with Virtual COM port to
computer (R113)
5
USIC3/GP4
P1.1
U1C1.DX0D
Can be used as serial port or user port
Sch_Power_Board_Connector.emf

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Pin
number
Signal Name
Port in
XMC1300
Peripheral function
Note
pin
6
USIC1
Not
connected
(P1.2)
U0C1.DOU0 or
U0C1.DX0B
The power board connector is per
default disconnected to permit
communication with Virtual COM port to
computer (R112)
7
VDD3.3
3.3 V output to power board
8
GP0
P0.8
User port pin
9
CMP1OUT
P2.7
ACMP1.INP or/and
VADC.G1CH1
CMP1_INP - Through 0R resistor
10
GND
Digital GND
11
GND
Digital GND
12
CMP0OUT
P2.9
ACMP1.INP or/and
VADC.G0CH2
CMP0_INP - Through 0R resistor
13
CMP2OUT
P2.1
ACMP2.INP or/and
VADC.G0CH6
CMP2_INP - Through 0R resistor
14
GND
Digital GND
15
GND
Digital GND
16
GP1
P0.11
User port pin
17
PWM4
P0.1
CCU80.OUT01
18
PWM0
P0.3
CCU80.OUT03
19
PWM5
P0.4
CCU80.OUT13
20
PWM1
P0.5
CCU80.OUT12
21
PWM6
P0.6
CCU80.OUT11
22
PWM2
P0.7
CCU80.OUT10
23
PWM7
P0.0
CCU80.OUT00
24
PWM3
P0.2
CCU80.OUT02
25
GND
Analog GND (ADC)
26
GP2
P0.12
User port pin
27
ADC4OUT
P2.0
VADC.G0CH5
ADC4 –Trough RC filter
28
GND
Analog GND (ADC)
29
GND
Analog GND (ADC)
30
ADC0OUT
P2.3
VADC.G1CH5
ADC4 –Trough RC filter
31
ADC5OUT
P2.11
VADC.G0CH4 or
ACMP.REF
ADC4 –Trough RC filter
32
GND
Analog GND (ADC)
33
GND
Analog GND (ADC)
34
ADC1OUT
P2.10
VADC.G0CH3 or
VADC.G1CH2
ADC4 –Trough RC filter
35
ADC6OUT
P2.5
VADC.G1CH7
ADC4 –Trough RC filter
36
GND
Analog GND (ADC)
37
ADC7OUT
Not
connected
(P2.6)
VADC.G0CH0
CMP1_INN –Through 0R resistor. This
pin is default connected to CMP1_INN
38
ADC2OUT
P2.4
VADC.G1CH6
ADC4 –Trough RC filter
39
GP3
User port pin
40
ADC3OUT
Not
connected
(P2.2)
VADC.G0CH7
CMP2_INN –Through 0R resistor. This
pin is default connected to CMP2_INN

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Given the flexible pin out in XMC1300, the functions above can be modified with SW configurations. InFigure
8, the PWM options are depicted. The pin out is done to fully cover High Resolution PWM (HRPWM) outputs.
However, combinations of CCU8 and HRPWM are possible.
Several topologies in power supplies can be controlled with that pin out including LLC with synchronous
rectification, multi-phase buck/boost converters, PFC stages and much more.
Figure 8 PWM output options with CCU8 and CCU4
2.5 Comparator reference generation
XMC1300 includes 3 analog comparators that can be used for protections such as overcurrent or
overvoltage, but as well for valley detection or peak current control in sophisticated power conversion
systems.
Those comparators need a reference generation that is created from a PWM signal together with an on
board RC filter. The configuration for all 3 comparators and their reference generation is depicted into
Figure 9.
The RC filter used is a second order that provides better dynamic response and fewer ripple. The filter can be
configured by the user by exchanging the components of it to fit the specific requirements of the
application, for example, for a reference that needs to vary quickly, a smaller capacitor network is
necessary, however increasing output voltage ripple.
CCU80
Slice 0
CCU80
Slice 1
CCU80.00 –PWM7 - P0.0
CCU80.10 –PWM5 - P0.7
CCU80
Slice 0
CCU80
Slice 1
CCU40
Slice 0 CCU40.00 –PWM6 - P0.5
CCU40
Slice 1
CCU40
Slice 2
CCU40
Slice 3
CCU80.01 –PWM4 - P0.1
CCU80.02 –PWM3 - P0.2
CCU80.03 –PWM0 - P0.3
CCU80.11 –PWM1 - P0.6
CCU80.12 –PWM6 - P0.5
CCU80.13 –PWM2 - P0.4
CCU80
Slice 0
CCU80
Slice 1
CCU80.00 –PWM7 - P0.0
CCU80.10 –PWM3 - P0.2
CCU80.01 –PWM1 - P0.6
CCU80.11 –PWM0 - P0.3
CCU80.12 –PWM6 - P0.5
CCU80.13 –PWM2 - P0.4
CCU80.00 –PWM7 - P0.0
CCU80.01 –PWM4 - P0.1
CCU80.10 –PWM5 - P0.7
CCU80.11 –PWM1 - P0.6
CCU40.01 –PWM2 - P0.4
CCU40.02 –PWM3 - P0.2
CCU40.03 –PWM0 - P0.3
Timer options XMC1300.emf

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Figure 9 Comparator reference generation
XMC1300 Digital Power Control Card provides flexibility to implement different use cases. In Figure 10, two
important use cases are demonstrated.
Use case 1: more than 6 ADC channels are needed. In XMC1300, comparator inputs and ADC inputs can
be shared if required. In such case, the comparator reference and the comparator input signal can be
measured simultaneously with the ADC with up to 12 bits resolution.
Use case 2: the accuracy of a RC filter generated reference is limited even when using second order filter.
In some cases, a very accurate reference for the comparator might be critical for the system. In such
case, a reference signal can be connected from the power board side by assembling the corresponding
0R resistor and removing the RC filter connection to INN.
The signal in CMP2 will be compared to a high accuracy reference
RC_Filter_XMC1300.emf
XMC1300 Digital Power Control Card V1
XMC1302
TSSOP38
CMP0
CMP1
INP(P2.9)
INN(P2.8)
CCU40/3
ADC3
CMP2
ADC7
INP(P2.7)
INN(P2.6)
INP(P2.1)
INN(P2.2)
PWM_RC1 (P1.5)
PWM_RC2 (P0.13)
PWM_RC0 (P0.9)
0R
CCU80/2
CCU80/3
0R
Power
Board
Connector
+
-
0R
+
-
PWM
RC filter
ACMP0
ACMP1
0R
+
-
PWM
RC filter
0R
ACMP2
PWM
RC filter
PWM_RCx INN
0R Option not assembled
Signal not used

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Figure 10 Possible comparator use cases
2.6 Analog Comparator input filter option
Comparator input signals entering the control card from the power board connector, can be additionally
filtered with an RC filter option. As can be seen in Figure 11, there is a not assembled 0402 option
component. This is typically a capacitor. That filter can be used to reject high frequency noise in the
comparator input signal.
Figure 11 Comparator input filter option- default not assembled
RC_filter_XMC1300_use_cases.emf
XMC1300 Digital Power Control Card V1
XMC1302
TSSOP38
INP(P2.7)
INN(P2.6)
INP(P2.1)
INN(P2.2)
PWM_RC1 (P1.5)
PWM_RC2 (P0.13)
CCU80/2
CCU80/3
0R
Power
Board
Connector
0R
+
-
PWM
RC filter
ACMP1
+
-
PWM
RC filter
0R
ACMP2
ADC7
CMP1
ADC
Analog
signals
0R ADC7 Fixed high accuracy
analog reference from
power board side
CMP2 Analog signal
Alternative usage 1:
More ADC channels
needed
Alternative usage 2:
High accuracy reference
for comparator needed
0R Option not assembled
Signal not used
ADC
Comparator
filter option
Comp_input_filter_option.emf

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2.7 Analog to Digital Converter (ADC) input filter
All ADC inputs in the control card are filtered with a high frequency cross-over frequency RC filter, as shown
in Figure 12. This will help to remove undesired high frequency noise from the input signals, and therefore,
will improve the measurement performance of the microcontroller
Figure 12 ADC input RC filter schematic
2.8 Communication channel options
XMC1300 Digital Power Control Card provides different communication paths to the power board side or to
the computer side through the OBD explained in section.
XMC1300 includes 2 independent serial channels that can be configured to work with different protocols
like I2C, UART or SPI. In order to support 2 channels into the power board with in many cases is necessary,
and at the same time to allow communication with the computer, XMC1300 Digital Power Control Card has
been prepared with or resistors to easily switch channels.
In Figure 13 the set up in XMC1300 Digital Power Control Card can be seen in detailed. The default
configuration is:
USIC0C0: UART through the OBD to the computer
oP1.3 PC_TXD_DEV
oP1.2PC_RXD_DEV
USIC0C1: general purpose serial channel to power board. For example for PMBusTM (pull ups must be
provided in the power board side)
oP1.0USIC2
oP1.1USIC3
Optionally, by removing assembled resistors R114 and R115 (labeled as PC in Figure 13 and in silkscreen of
the board), and mounting R112 and R113 (labeled as PM), 2 general purpose channels are routed to the
power board, providing following configuration:
USIC0C0: general purpose serial channel to power board. For example for PMBusTM (pull ups must be
provided in the power board side)
oP1.3 USIC0
oP1.2USIC1
ADC_input RC filter.emf

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USIC0C1: general purpose serial channel to power board. For example for PMBusTM (pull ups must be
provided in the power board side)
oP1.0USIC2
oP1.1USIC3
Figure 13 Serial communication interfaces possible inXMC1300 Digital Power Control Card
0R Option not assembled
Signal not used
USIC
U0C0
Debug
USB
On-board
Debugger
XMC4200
isolation
USIC
U0C1
0R
0R USIC1
USIC0
USIC3
USIC2
XMC1300 Digital Power Control Card V1
XMC1302
TSSOP38
P1.0
P1.1
P1.2P1.3
0R
0R
PC_RXD_DEV
PC_TXD_DEV
USIC circuit XMC1300.emf
PMPC

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3Production Data
3.1 Schematics
This chapter contains the schematics for XMC1300 Digital Power Control Card
The board has been designed with Eagle. The full PCB design data of this board can also be downloaded
from www.infineon.com/xmc-dev.
Figure 14 Schematic page 0: cover
Sch_XMC13_0.emf

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Figure 15 Schematic page1: MCU
Sch_XMC13_1.emf

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Figure 16 Schematic page 2: connector
Sch_XMC13_2.emf

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Figure 17 Schematic page 3: JLink &UART
Sch_XMC13_3.emf

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Customer Documentation
3.2 Component Placement
In Figure 18 the placement of some components is shown in a layout snapshot of the top layer of XMC1300
Digital Power Control Card
Figure 18 Layout and component placement top view of XMC1300 Digital Power Control Card
3.3 Bill Material (BOM)
This board has been done in collaboration with Würth Elektronik. In Figure 19, the different components in
the board are shown. In table 4 a complete bill of material is given.
Lay_component_XMC13.emf