Renesas Synergy Target Board S3A6 User Manual
Rev.1.00 Aug 2017
User s Manual
www.renesas.com
All information conta ined in these materi als, includin g products and pr oduct specificat ions, represent s
Corp. without notice. Please review the latest information published by Renesas Electronics Corp.
Target Board S3A6 (TB-S3A6)
s Manual
User’s Manual
User’
Renesas Synergy™ Platform
Synergy Tools & Kits
Kits: TB-S3A6 v1.0
information on the product at the time of publicat ion and is subject t o change by Renesas El ectronics
through various means, in cluding the Renesas Electronics Corp. website ( ht t p://www.renesas.com).
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(Rev.3.0-1 November 2016)
Renesas Synergy™ Target Board Kit TB-S3A6 Disclaimer
By using this TB-S3A6, the user accepts the following terms, which are in addition to, and control in the event of disagreement, with
Renesas’ General Terms and Conditions availabl e at https://www.renesas.com/en-us/legal/disclaimer.html.
The TB-S3A6 is not guaranteed to be error free, and t he entire risk as to the results and performance of the TB-S3A6 is assumed by the
User. The TB-S3A6 is provided by Renesas on an “as is” basis without warranty of any kind whether express or implied, including but
not limited to the implied warranties of satisfactory quality, fitness for a particular purpose, title, and non-infringement of intellectual
property rights with regard to the TB-S3A6. Renesas expressly disclaims al l such warranties.
Renesas does not consider the TB-S3A6 a finished product and therefore the TB-S3A6 may not yet comply with some requirements
applicable to finished products, including, but not limited to recycling (WEEE), CE, UL, restricted substances (ROHS), FCC, FEE,
and electromagnetic compatibility regulations. Renesas or its affiliates shall in no event be liable for any loss of profit, loss of data,
loss of contract, loss of business, damage to reputation or goodwill, any economic loss, any reprogramming or recall costs (whether the
foregoing losses are dir ect or indirect) nor shall Renesas or its affiliates be liable for any other direct or indirect special, incid ent al or
consequential damages arising out of or in relation to the use of this TB-S3A6, even if Renesas or its affiliates have been advised of the
possibility of such damages.
Renesas has used reasonable care in preparing the information included in this document, but Renesas does not warrant that such
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Precautions
This Renesas Synergy™ Target Board is only intended for use in a laboratory environment under ambient temperature and humidity
conditions. A safe separation distance should be used between this and any sensitive equipment. Its use outside the laboratory,
classroom, study area, or similar such area invalidates conformity with the protection requirements of the Electromagnetic
Compatibility Directive and could lead to prosecution.
The product generates, uses, and can radiate radio frequency energy and may caus e harmful interference to radio communications. There is no guarantee that interference will not occur in a particular installation. If this equipment causes harmful interference to rad io
or television reception, which can be determined by turning the equipment off or on, you are encouraged to try to correct the
interference by one or more of the following measures:
• Ensure attached cables do not lie across the equipment .
• Reorient the receiving antenna.
• Increase the distance between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit d ifferent from that which the receiv er is connected.
• Power down the equipment when not in use.
• Consult the dealer or an experienced radio/TV technician for help.
Note: It is recommended that wherever possible sh ielded interface cables are used .
The product is potentially susceptible to certain EMC phenomena. To mitigate against them it is recommended that the following
measures be undertaken:
• The user is advised that mobile phones should not be used within 10 m of the product when in use.
• The user is advised to take ESD precautions when handling the equipment.
™
The Renesas Synergy
standards for an end product.
Target Board does not represent an ideal reference design for an end product and does not fulfill the regulatory
Target Board S3A6 (TB-S3A6) User's Manual
1. Overview
The Target Board S3A6 (TB-S3A6) is a development kit for the R enesas Synergy™ S3A6 Microcontroller in an
LQFP100 package. TB-S3A6 is designed to help developers get started with initial firmware development and evaluation
of the S3A6 MCU Group.
Renesas Synergy
• R7FS3A6783A01CFP
• 100-pin Quad Flat Pack package
• 48 MHz ARM
• 32 KB on chip SRAM
• 256 KB on chip code flash memory
• 8 KB on chip data flash memory
™
S3A6 Microcontroller
®
Cortex® M4 core with FPU
Connectivity
• A Device USB connector for the Main MCU
• Segger J-Link
®
On-Board interface for debugging and programming of the S3A6 MCU. A 10-pin JT AG/SWD
interface is also provided for connecting optional external debuggers and programmers.
• Two PMOD connectors, allowing use of appropriate PMOD compliant peripheral plug-in mod ule s fo r ra pid
prototyping
• Pin headers for access to p ower and signals for the Main MCU
Multiple clock sources
• Main MCU oscillator crystals, providing precision 12.000 MHz and 32,768 Hz reference clocks
• Additional low-precision clocks are available internal to the Main MCU
MCU reset push button switch
MCU boot configur at ion jumper
General purpose I/O ports
• One jumper to allow measuring Main MCU current
• Copper jumpers on PCB bottom side for configuration and access to a selected MCU signals
Operating voltage
• External 5V input through the Debug USB connector supplies the o n-board power regulator to power the Target
Board logic and interfaces. Alternatively, 5V or 3.3V may be supplied through alternate locations on the Target
Board.
Other features
• A two-color board status LED indicating availability of regulated power and connection status of the J-Link interface
• A red User LED, controlled by the Main MCU firmware
• A User Push-Button switch, User Capacitive Touch sensor (button), and an optional User Potentiometer, all of which
are controlled by the Main MCU firmware
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Target Board S3A6 (TB-S3A6) User's Manual
Figure 1 TB-S3A6 bottom side
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Target Board S3A6 (TB-S3A6) User's Manual
2. What’s in the box
The following components are included in the kit:
• TB-S3A6 board
• One US B Type-A to Micro-B cable
3. Getting Started
Before you start working with your kit, you need to obtain the la test version of the Synergy™ Software Package (SSP)
and the Rene s as Synergy
If you are new to the Renesas Synergy
™
Tools & Kits for the development of your TB-S3A6 board.
™
Platform development, we encourage you at this point to visit our Getting
Started Guide on our website. This guide will provide de taile d instructions on how t o register an account on the Renesas
Synergy
™
Gallery to obtain a developer’s license, and how to download and install all the software and tools that are
required. Once you have completed these steps, please return to this section for more in-depth information on how to
work with your board.
How to register for an account on the Synergy Gallery
How to download & install the necessary development tools
3.1 Jumpers and DIP Switch settings
3.1.1 Copper Jumpers
There are two types of Copper Jumpers, designated trace-cut and solder-bridge.
A trace-cut jumper is provided with a narrow copper trace connecting its pads. The silk screen overlay printing around a
trace-cut jumper is a solid box. To isolate the pads, cut the trace between pads adjacent to each pad then remove the
connecting copper foil either mechanically or with the assistance of heat. Once the etched copper trace is removed, the
trace-cut jumper is turned into a solder -bridge jumper for any later changes.
A solder-bridge jumper is provided with two isolated pads that may be joined together by one of three methods:
• Solder may be applied to both pads to develop a bulge on each and the bulges joined by touching a soldering iron
across the two pads.
• A small wire may be placed across the two pads and soldered in place.
• A SMT resistor, size 0805, 0603, or 0402, may be placed across the two pads and soldered in place. A zero-Ohm
esistor shorts the pads together.
r
The silk screen overlay printing ar ound a solder-bridge jumper is a box with a gap in the lines adjacent to the isolation
region between the pads.
For any copper jumper, the connection is co nsidered closed if there is an electrical connection between the pads (default
for trace-cut jumpers.) The connection is considered open if there is no electrical connection between the pads (default
for the solder-bridge jumpers.)
Figure 2 Copper Jumpers
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Target Board S3A6 (TB-S3A6) User's Manual
Location
Circuit Group
Default
Function
E18
Open
Connects signal P213 to MCU
E23
Closed
Connects 12.000 MHz Crystal to MCU
E1
3.3V Linear
Closed
Alternate 3.3V source (+3V3JLOB)
E25
Closed
Connects 32.768 kHz Crystal to MCU
E27
Open
Connects signal P214 to MCU
E11
AVSS0->GND
Closed
Connects AVSS0 to Ground
E5
Open
Connects signal P115J to Capacitive Touch Button
E29
Closed
Connects MCU pin 15 (VCL) to capacitor
E33
Closed
Connects the S124 MCU to the J-Link signal RESET#
E37
Closed
Connects the S124 MCU to the J-Link signal
3.1.2 Default Board Configuration
The following table describes the default settings for each jumper on the TB-S3A6 Target Board. This includes
traditional pin jumpers (Jx designation) and copper jumpers (Ex designation.)
The Circuit Group for each jumper is the designation found in the board schematic. (See Section 5: Electrical
Schematics.) Functional details for many of the listed jumpers may be fou nd in Section 4.4: Connectivity and Settings
and Section 4.6: Additional Features.
Table 1 Default Jumper Settings
Open/Closed
J8 MCU Mode Config Shunt on pins 1-2 Sets the MCU Mode to boot from Internal Flash
E19 Open Connects signal P212 to MCU
E24 Closed Connects 12.000 MHz Crystal to MCU
E22
E26 Closed Connects 32.768 kHz Crystal to MCU
E10 AVCC0->
E2
E28
12M Crystal
Regulator
Open Connects signal P215 to MCU
32K Crystal
Closed Connects +3V3MCU to AVCC0
+3V3MCU
Closed Enable/Disable Capacitive Touch Button
Capacitive Touch
Button
Open Connects VCL to MCU
EXT VCL and VCL
CAP
E32
E34 Closed Connects the S124 MCU to the J-Link signal
E38 Closed Connects the S124 MCU to the J-Link signal
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J-Link
Closed Connects the S124 MCU to the J-Link signal JLED
TDO(/SWO) P109
P108/SWDIO
P300/SWCLK
Target Board S3A6 (TB-S3A6) User's Manual
Location
Circuit Group
Default
Function
E31
JTAG Connector
Open
JTAG Ground Detect. Connects the JTAG connector
E14
Open
Connects VCC_USB_LDO to MCU pin 40
E8
Closed
Connects +3V3MCU to MCU pin 40
E15
Closed
Connects MCU pin 43 to capacitor
E16
Closed
Connects MCU pin 38 to signal USB_N
E20
Open
Connects MCU pin 39 to signal USBPH_P
E3
User LED
Closed
Enable/Disable User LED
E4
User Push-Button
Closed
Enable/Disable User Push-Button switch
Open/Closed
E35 J-Link OB USB Closed Connects the J-Link OB USB 5V input to the primary 5V-
>3.3V voltage regulator
pin 9 to Ground.
E13
LDO and VCC
USB
E7 Closed Connects +3V3MCU to MCU pin 41
E12
E30 USB Device
E17 Closed Connects MCU pin 39 to signal USB_P
E21 Open Connects MCU pin 38 to signal USBPH_N
E36 User
P205 or TSCAP-A
Interface
USB FS
Potentiometer
Open Connects VCC_USB_LDO to MCU pin 41
Open Connects MCU pin 43 to signal P205
Closed Connects the Device USB 5V input to the MCU
Open Enable/Disable User Potentiometer
E6 VBAT +3V3_MCU Closed Dual Jumper. Pins 1-3 connect +3V3 to +3V3MCU.
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Aug 23, 2017
Pins 2-4 connect +3V3 to VBAT.
Target Board S3A6 (TB-S3A6) User's Manual
4. Hardware Layout
4.1 System block diagram
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Target Board S3A6 (TB-S3A6) User's Manual
4.2 Power Requirements
TB-S3A6 is designed for 3.3 Volt operation. Note that this also means that 5V PMOD devices cannot be used together
with the TB-S3A6 unless they are powered separately.
The total current available from the LDO regulator for all connected circuits is 0.600A or less, depending the 5V power
source used.
4.2.1 Power supply options
TB-S3A6 can be powered via several different methods:
Option 1: Debug USB (Default)
The default power source is 5V supplied from an external USB host to the USB Debug connector labelled DEBUG USB
on the top surface of the board. A low drop-out regulator (LDO) is used to convert the 5V signal to 3.3V, which then is
used to power the MCU and any connected devices.
The Copper Jumper E35 selects the source for the primary power input to the LDO regulator. By
default, this jumper is configured to provide power through the Debug USB connector. The
Copper Jumper E35 is closed for this configuration.
Option 2: Test Points TP3 and TP4
The TB-S3A6 can also be powered by installing a 5V power source a cross TP3 (positive input) and TP4 (negative input).
The Copper Jumper E35 must be opened to enable powering the board using these test points.
The on-board Low Dropout Regulator (see Section 4.3: Major Components) has an input voltage
range of +3.3V to +5.5V, and a built-in current limit of 600 mA. Make sure any external power source
connected to TP3 and TP4 meets these requirements.
Figure 3 USB Debug Connector (J11), TP3, and TP4 on the Target Board
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Target Board S3A6 (TB-S3A6) User's Manual
Option 3: Test Points TP1 and TP2
The TB-S3A6 can also be powered by installing a 3.3V source across TP1 (positive input) and TP2 (negative input).
Copper jumper E35 must be open to enable powering the board using these test points.
Figure 4 TP1, TP2 and LED1 on Target Board
These test points supply voltage directly to the S3A6 MCU, the S124 J-Link MCU, and other
on-board circuitry. Use caution to ensure that any voltage connected in this manner meets the
power requirements for the active features. Power sources that are outside of the published
operating range for the active devices may cause degraded performance or damage the board.
Option 4: Pin Headers
The TB-S3A6 can also be powered through the following pin-headers on the board.
• J1 (pin J1-15 for +3.3V, pin J1-17 for Return)
• J2 (pin J2-10 for +3.3V, pin J2-12 for Return)
• J4 (pin J4-37 for +3.3V, pin J4-36 for Return)
Note: Copper jumper E35 must be open for any of these configurations.
The pin headers supply voltage directly to the S3A6 MCU, the S124 J-Link MCU, and other
on-board circuitry. Use caution to ensure that any voltage connected in this manner meets the
power requirements for the active features. Power sources that are outside of the published
operating range for the active devices may cause degraded performance or damage the board.
See Section 4.5 for more information on the Pin Headers.
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Target Board S3A6 (TB-S3A6) User's Manual
Figure 5 5V Power Input Circuit
Figure 6 3.3V Power Regulator Circuit
4.2.2 Power-up behavior
When powered, the green LED to the right of the DEVICE USB connector (LED2) lights up. The red LED in the same
LED package functions as a status indicator for the J-Link On-Board debug interface on the board. If both LEDs in the
LED2 package are lit, LED2 appears orange.
Figure 7 LED2 on Target Board (top)
4.2.3 Battery supply configuration
An external battery may be connected according to the methods outlined in Section 4.2.1: Power supply options,
providing it meets the minimum voltage and current requiremen ts.
Additionally, an external battery source may be connected to VBAT at Pin Header location J2-29 (J2-12 ground return)
to maintain the MCU Real Time Cloc k (RTC) when other main power sources are disconnected from the TB-S3A6.
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Target Board S3A6 (TB-S3A6) User's Manual
4.2.4 Measuring Current Consumption
Pad 1 and 3 of the Copper jumper E6, which is a dual trace-cut jumper, allow measurement of +3V3 MCU sup ply
current. Pad 2 and 4 of E6 allow measurement of VBAT supply current. Both traces are connected by default. These
traces should be cut to enable power measurement. Care must be taken when cutting the trace to not cause damage to
PCB layers below the trace.
Note that the actual current consumed by the S3A6 MCU is dependent on many factors, including ambient temperature,
internal clock speed, input voltage level, and device activity. The actual current consumed by the MCU can vary from
less than 1 mA to nearly 40 mA. Please refer to the S3A6 User’s Manual for more information on the electrical
characteristics of the MCU.
Figure 8 MCU Current Measurement Circuit
Figure 9 E6 on Target Board (Top side)
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