Epson S1C31D01 Mounting instructions

® Rev.3.00
CMOS 32-BIT SINGLE CHIP MICROCONTROLLER
S1C31D01
Peripheral Circuit
Sample Software Manual

Evaluation board/kit and Development tool important notice
1. This evaluation board/kit or development tool is designed for use for engineering evaluation, demonstration,
or development purposes only. Do not use it for other purposes. It is not intended to meet the requirements of
design for finished products.
2. This evaluation board/kit or development tool is intended for use by an electronics engineer and is not a
consumer product. The user should use it properly and in a safe manner. Seiko Epson dose not assume any
responsibility or liability of any kind of damage and/or fire caused by the use of it. The user should cease to
use it when any abnormal issue occurs even during proper and safe use.
3. The part used for this evaluation board/kit or development tool may be changed without any notice.
NOTICE
No part of this material may be reproduced or duplicated in any form or by any means without the written
permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice.
Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material
or due to its application or use in any product or circuit and, further, there is no representation that this material is
applicable to products requiring high level reliability, such as, medical products. Moreover, no license to any
intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that
anything made in accordance with this material will be free from any patent or copyright infringement of a third
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ARM and Cortex are registered trademarks of ARM Limited (or its subsidiaries) in the EU and/or elsewhere.All
rights reserved.
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companies.
“ Reproduced with permission from ARM Limited. Copyright © ARM Limited”
©SEIKO EPSON CORPORATION 2019,All rights reserved.

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Sample Software Manual (Rev.3.00)
Table of Contents
1. Overview..................................................................................................................... 1
1.1 Operating Environment .............................................................................................................1
2Sample Software Operations.................................................................................... 2
2.1 Sample Software Components.................................................................................................2
2.2 Preparation for Program Download and Execution ...............................................................4
2.2.1 Hardware Connections..........................................................................................................4
2.2.2 Connection with USB adapter for UART...............................................................................4
2.3 IAR EWARM IDE Sample Software Procedures......................................................................6
2.3.1 Software Setup......................................................................................................................6
2.3.2 Workspace Open...................................................................................................................7
2.3.3 Active Project Selecting.........................................................................................................8
2.3.4 Debug Probe Setting.............................................................................................................9
2.3.5 Flash Loader Setting ...........................................................................................................10
2.3.6 Project Build.........................................................................................................................11
2.3.7 Project Download and Debug..............................................................................................13
2.4 KEIL MDK-ARM (uVision) Sample Software Procedures.....................................................14
2.4.1 Software Setup....................................................................................................................14
2.4.2 Workspace Open.................................................................................................................15
2.4.3 Active Project Selecting.......................................................................................................16
2.4.4 Debug Probe Setting...........................................................................................................17
2.4.5 Flash Loader Setting ...........................................................................................................19
2.4.6 Project Build.........................................................................................................................21
2.4.7 Project Download and Debug..............................................................................................22
2.5 MDC Tools .................................................................................................................................23
2.5.1 Image Scaling Calculation imgcpy_calcscaling.exe............................................................23
2.5.2 Font Conversion MDCFontConv.exe...................................................................................25
2.5.3 Image Conversion MDCImgConv.exe.................................................................................26
2.5.4 Serial Flash Programming MDCSerFlashImg.exe..............................................................27
2.6 Flash Programming Tools.......................................................................................................28
3Details of Sample Software..................................................................................... 29
3.1 Clock Generator (CLG) ............................................................................................................29
3.2 DMA Controller (DMAC)...........................................................................................................30
3.3 I2C (I2C_S5U1C31D01T1) ........................................................................................................33
3.4 MDC Example for LPM012M134B Panel (MDC_LPM012M134B).........................................35
3.5 MDC Example for Serial Flash (MDC_LPM012M134B_SERFLASH) ...................................36
3.6 MDC Example for LS012B7DH02 Panel (MDC_LS012B7DH02)...........................................37
3.7 I/O Ports (PPORT).....................................................................................................................38
3.8 Quad Synchronous Serial Interface (QSPI)...........................................................................39
3.9 Quad Synchronous Serial Interface with DMA (QSPI_DMA)...............................................41
3.10 Quad Synchronous Serial Interface Master (QSPI_MASTER).............................................42
3.11 Quad Synchronous Serial Interface Slave (QSPI_SLAVE)...................................................45
3.12 IR Remote Controller (REMC3)...............................................................................................47
3.13 Real Time Clock (RTCA) ..........................................................................................................48

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3.14 Sound Generator (SNDA) ........................................................................................................49
3.15 Synchronous Serial Interface Master (SPIA_MASTER) .......................................................50
3.16 Synchronous Serial Interface Slave (SPIA_SLAVE).............................................................51
3.17 Power Supply Voltage Detection Circuit (SVD3)...................................................................52
3.18 16-Bit Timer (T16).....................................................................................................................53
3.19 16-bit PWM Timer (T16B).........................................................................................................54
3.20 Temperature Sensor and Voltage Reference (TSRVR).........................................................55
3.21 UART (UART3)..........................................................................................................................56
3.22 USB CDC Device (USB_CDC) .................................................................................................57
3.23 USB HID (USB_HID_S5U1C31D01T1).....................................................................................58
3.24 USB MSC Device (USB_MSC).................................................................................................59
3.25 WatchDog Timer (WDT2) .........................................................................................................60
3.26 Flash Programming (Flash).....................................................................................................61
3.27 EEPROM Emulation Library (EEPROM).................................................................................62
3.28 Boot Loader (BootLoader).......................................................................................................63
Appendix. Use of Free Trial Version IDE.................................................................... 64
Revision History............................................................................................................. 65

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Sample Software Manual (Rev.3.00)
1. Overview
This manual describes how to use the example software provided for the S1C31D01 Microcontroller and shows
the expected output when running the example software.
The example software is included in the S1C31D01 Sample Software and Peripheral Drivers software package. It
is intended to demonstrate how to use the various peripheral circuits in the S1C31D01 microcontroller.
For detailed information on the S1C31D01 Microcontroller, refer to the “S1C31D01 Technical Manual”.
The S1C31D01 Peripheral Circuit Sample Software Package includes:
•Peripheral Library modules
•Example Software
•Product-specific files such as the S1C31D01 hardware definition file
•System viewer description file
•Flash loader
The goal of the Peripheral Sample Software is to show how to use the Peripheral Library modules in order to
control a S1C31D01 peripheral. Each Example demonstrates features of the selected peripheral and exercises
various peripheral modes.
The S1C31D01 hardware definition file defines the hardware register addresses, access sizes, and access
read-write types. The individual registers and their fields are accessed based on the described hardware file. The
Peripheral Library also provides easy to use methods which perform complex peripheral functions. Those
methods include functions such as peripheral initialization and peripheral feature management.
*1 Refer to this manual along with the “S1C31D01 Technical Manual” and the “S5U1C31D01T1 manual”
available from Seiko Epson's website.
*2 This manual covers the sample software package of ver.3.00 or later.
1.1 Operating Environment
Before running the S1C31D01 sample software, prepare the following components:
•Evaluation Board
-S5U1C31D01T1 evaluation board equipped with S1C31D01
-S5U1C31001L1200 adapter board (Bridge Board Ver.2)
•Debug Probes *1
-IAR Systems I-jet or SEGGER J-Link
•Integrated Development Environment
-IAR Embedded Workbench for ARM®(IAR EWARM) or MDK-ARM®
•Other Devices (option)
-An USB Adapter for UART
*1: I-jet is available only with IAR EWARM. J-Link is available for both IAR EWARM and MDK-ARM.

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2 Sample Software Operations
2.1 Sample Software Components
The S1C31D01 Sample Software demonstrates how to call the Peripheral Library modules which interface
hardware components on the microcontroller. Each peripheral module has an associated library module that
consists of a source file (“xxx.c”) and an include file (“xxx.h”). The include file describes the constants, types,
and functions for each library module.
The S1C31D01 Sample Software is organized in the “Examples” folder. In most cases, the peripheral module is
presented in one corresponding example project. For example, the CLG (Clock Generator) project focuses on the
CLG peripheral module. For more complex modules, several example projects may be available to feature
different aspects of the module. An example of this is the QSPI module which is presented in a few projects (each
project begins with the QSPI prefix). The relationship between different layers of the software is shown in Figure
2.1.1. The application layer can access peripheral hardware through the Peripheral library routines or directly
using the structures defined in the “S1C31D01.h” hardware definition file.
Example projects
CLG MDC* PPORT QSPI* REMC3 RTCA T16 T16B …
Peripheral library project
se_clg.c
se_mdc.c
se_pport.c
se_qspi.c
se_remc3.c
se_rtca.c
se_t16.c
se_t16b.c
…
se_clg.h
se_mdc.h
se_pport.h
se_qspi.hh
se_remc3.h
se_rtca.h
se_t16.c
se_t16b.h
…
Figure 2.1.1 S1C31D01 Example Software Workspace
Notes:
•All example projects share the IAR/Keil startup files and IAR/Keil system files located in the
“CMSIS\Device” folder.
•All example projects also share the board-related files in the “board” folder.
•The board.c file implements the boot-up system initialization procedure in the BoardInit function.
•The BoardInit function is called from the SystemInit function. The BoardInit function sets the CPU
frequency, Sys Tick value, and priority, etc.
•The SystemInit function is called from the IAR/Keil startup file.
CPU and System peripheral accesses
based on the CMSIS macros.
Hardware accesses based on the
S1C31D01.h hardware definition file.
system_S1C31D01.c, startup_S1C31D01.s, board.c, settings.h, S1C31D01.h

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The settings.h file is where the default boot-up behavior is changed by selecting the appropriate defines. The
meaning of each setting is described in Table 2.1.1.
Table 2.1.1 S1C31D01 Board Defines
Configuration Feature
Defined
Un-defined
UART_PRINTF
The standard library printf function
outputs to the UART console.
Additional hardware is required.
For Keil IDE, this configuration
feature should be defined.
The semihosting library printf function
outputs to the IAR IDE terminal window.
EXECUTE_ON_OSC3
The CPU switches to the higher
accuracy clock in the BoardInit
function.
The CPU uses the default clock.
IOSC_AUTOTRIMMING_ON
IOSC trimming is performed in the
BoardInit() function to achieve higher
CPU clock accuracy.
IOSC trimming is not performed. This
results in a shorter boot time.
CACHE_ENABLED
The cache is enabled for the Flash
targets. No importance for Debug
targets,
The cache is not enabled for the Flash
targets.
TICKLESS_ENABLED
SYSTICK interrupt is disabled.
SYSTICK interrupt is used to keep track
of the elapsed CPU time since the last
boot.
BOOT_LOADER
Executing code is a boot loader.
Executing code is an application.
QSPI_MODE_SINGLE
QSPI SINGLE mode is selected.
QSPI DUAL or QUAD modes are
selected.
SPIA_DMA
Use DMAfor SPIA_MASTER and
SPIA_SLAVE projects.
Do not use DMA for SPIA_MASTER and
SPIA_SLAVE projects.
Notes:
•By default, all board features are un-defined.
•To use the UART console for input/output, un-comment UART_PRINTF in the settings.h file.
•In cases where the CPU deep sleep function is used, un-comment TICKLESS_ENABLED in the settings.h
file.

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2.2 Preparation for Program Download and Execution
2.2.1 Hardware Connections
To use and debug the Sample Software the following hardware components are recommended.
•S5U1C31D01T1 evaluation board
•S5U1C31001L1200 adapter board (Bridge Board Ver.2)
•Debug probes (IAR Systems I-jet or SEGGER J-Link)
For details of the hardware connection, refer to the “S5U1C31D01T1 Manual”.
2.2.2 Connection with USB adapter for UART
USB adapter for UART is used in the sample program that uses UART. By connecting the S5U1C31D01T1
evaluation boat to the PC using the USB adapter for UART, UART communication with the PC becomes possible.
The picture in Figure 2.2.2.1 and the diagram in Figure 2.2.2.2 show the connection for an USBAdapter for
UART to the S5U1C31D01T1 evaluation board.
To perform UART communication, it is necessary to build the sample program with the definition of
UART_PRINTF in the settings.h file enabled (see Section 2.1 and Table 2.1.1). In addition, it is necessary to start
the serial communication terminal software on the PC and set the serial port. Table 2.2.2.1 shows the serial port
setting values.
Figure 2.2.2.1 USB Adapter for UART Connection Example to S5U1C31D01T1 Evaluation Board
Figure 2.2.2.2 USB Adapter for UART Wiring to S5U1C31D01T1 Evaluation Board
S5U1C31D01T1 Evaluation Board
TXD
J2-27 (P21)
RXD
GND
J2-25 (P22)
J2-47 (GND)
USB to PC
USB adapter for UART

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Table 2.2.2.1 Serial Port Settings for Terminal Software
Parameter
Setting Value
Baud rate
115200 bps
Data
8 bits
Stop bits
1 bits
Parity
None
For more information on S5U1C31D01T1 evaluation board, refer to the “S5U1C31D01T1 Manual”.
Notes: USB adapter for UART used in Figure 2.2.2.1 is a commercial product, not provided by Seiko Epson.
Please purchase as necessary.

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2.3 IAR EWARM IDE Sample Software Procedures
2.3.1 Software Setup
Before executing the sample software using the IAR EWARM, you need to set up the sample software. To set up
the sample software, follow the procedure below.
(1) Download the sample software
Download the S1C31D01 Peripheral Circuit Sample Software Package (.exe) from Seiko Epson
microcontroller web site.
(2) Install the Peripheral Circuit Sample Software Package
Close all other programs during this installation. Run downloaded Peripheral Circuit Sample Software
Package executable file as administrator. Review the license terms before proceeding with installation.
Select desired folder package to be installed into and select “Install”. After the software has been installed
into the destination, a setup utility called “ToolchainSetup.exe” will automatically launch. Press “Next” on
setup utility, and select your preferred versions of IAR EWARM identified by the checkboxes. [Note: The
setup utility will copy some flashing binaries and device description files into your IAR folders]. Press
“Next” to begin the setup, and when the “Done” message appears select “Finish” to complete.
(3) Launch the IAR EWARM
Once the software setup has completed successfully, launch the IAR EWARM.
For the version of IAR EWARM used to evaluate this sample software and more information on the setup utility,
refer to the “README_IAR.txt” found in this sample software package.

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2.3.2 Workspace Open
The sample software package has a collection of sample software projects in the “Examples” folder. All of the
samples software projects build against the sePeripheralLibrary and some also need the seGraphicsLibrary.
To open a workspace which contains all the sample software projects, select the [File] > [Open] > [Workspace...]
in the IAR EWARM menu, navigate to “Examples\WORKSPACE\S5U1C31D01T1\IAR” folder, and open the
“Examples.eww” file.
Optionally, each sample software project subfolder has a “board\S5U1C31D01T1\IAR” subfolder which contains
an IAR project file (.ewp) and an IAR workspace file (.eww). To open the workspace for an individual sample
software project, select the [File] > [Open] > [Workspace] in the IAR EWARM menu, navigate to the project’s
“board\S5U1C31D01T1\IAR” folder, and open the workspace file (.eww).
Figure 2.3.2.1 Example of Multi-Project Workspace

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2.3.3 Active Project Selecting
To build the sample software project, right-click the target project to be built and executed in [Workspace]
window on IAR EWARM and select the [Set as Active] in right-clicked menu (Figure 2.3.3.1). By using the
drop-down list at the top of the [Workspace] window, the active project and build configuration can be selected at
the same time (Figure 2.3.3.1).
As shown below, each sample software project contains three build configurations.
•Debug - Build configuration to execute code in internal RAM memory
The optimization level is set to “low”.
•DebugFlash - Build configuration to execute code in internal flash memory
The optimization level is set to “low”.
•ReleaseFlash - Build configuration to execute code in internal flash memory
The optimization level is set to “high”.
Figure 2.3.3.1 Active Project Setting
Right-click Menu
Drop-Down List

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2.3.4 Debug Probe Setting
Before debugging an active project using the target board connected to the debug probe, you need to select a
driver for the debug probe, if necessary.
To select the debug probe driver, follow the procedure below.
(1) Select the [Project] > [Option] in the IAR EWARM menu.
(2) Select the [Debugger] in the [Category] list on the [Options for node “{project}”] dialog (Figure 2.3.4.1).
(3) Select the [Setting] tab, and then select the debug probe in the [Driver] drop-down list as shown below
(Figure 2.3.4.1).
- When using the I-jet , select the “I-jet/JTAGjet”.
- When using the J-Link, select the “J-Link/J-Trace”.
Figure 2.3.4.1 Debug Probe Setting

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2.3.5 Flash Loader Setting
When the build configuration of the active project is “DebugFlash” or “ReleaseFlash”, it is necessary to set a
flash loader to load the program in the internal flash memory. However, when the build configuration is “Debug”,
it is necessary to unset a flash loader because the program is executed on the internal RAM.
To set the flash loader, follow the procedure below.
•When the build configuration is “Debug” (program execution in RAM)
(1) Select the [Project] > [Option] in the IAR EWARM menu.
(2) Select the [Debugger] in the [Category] list on the [Options for node “{project}”] dialog (Figure 2.3.5.1).
(3) Select the [Download] tab (Figure 2.3.5.1).
(4) Disable the [Use flash loader(s)] checkbox (Figure 2.3.5.1).
•When the build configuration is “DebugFlash” or “ReleaseFlash” (program execution in internal flash
memory)
(1) Select the [Project] > [Option] in the IAR EWARM menu.
(2) Select the [Debugger] in the [Category] list on the [Options for node “{project}”] dialog (Figure 2.3.5.1).
(3) Select the [Download] tab (Figure 2.3.5.1).
(4) Enable the [Use flash loader(s)] checkbox (Figure 2.3.5.1).
(5) Enable the [Override default .board file] checkbox (Figure 2.3.5.1).
(6) Click the [...] button and select “S1C31D01_int.board” as a board file (Figure 2.3.5.1).
Figure 2.3.5.1 Flash Loader Setting
Select this option when executing the
program in the flash memory.
When [Use flash loader(s)] is selected,
select [Override default .board file] and
select the .board file for the flash loader
to be used by clicking the [...] button.

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2.3.6 Project Build
To build an active project, select one of the build commands [Make] and [Rebuild All] from the [Project] in the
IAR EWARM menu (Figure 2.3.6.1).
Note: If linker errors occur in the build, there is a possibility that the library projects “sePeriphLibrary” and
“seGraphicsLibrary” are not built. Build these library projects with the same build configuration as the active
project, and then build the active project again. For example, to build the active project “QSPI -Debug”, build
"seGraphicsLibrary-Debug" and “sePeriphLibrary-Debug”.
Also, the batch build option to build all the projects included in the sample software at once is available. To use
the batch build option, select the [Project] > [Batch build…] in the IAR EWARM menu (Figure 2.3.6.1). And
then select the desired build configuration on the displayed dialog box and click the [Make] or [Rebuild All]
button(Figure 2.3.6.2).
The batch build option is available to build the following build configurations.
•all_Debug - built debug targets to execute code in internal RAM memory
•all_DebugFlash - built debug targets to execute code in internal Flash memory
•all_ReleaseFlash - build release targets to execute code in internal Flash memory
Figure 2.3.6.1 Build Commands

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Figure 2.3.6.2 Batch Build

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2.3.7 Project Download and Debug
Following a successful build, download the program image of the active project to the target board. To download
the program image, select the [Project] > [Download and Debug] in IAR EWARM menu (Figure 2.3.7.1).
When the active project is “Debug” build, the program image is loaded in the internal RAM and debugging is
started. When the active project is “DebugFlash” build or “ReleaseFlash” build, the program image is loaded in
the internal flash memory and debugging is started.
Figure 2.3.7.1 Download and Debug

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2.4 KEIL MDK-ARM (uVision) Sample Software Procedures
2.4.1 Software Setup
Before executing the sample software using the MDK-ARM (uVision), you need to set up the sample software.
To set up the sample software, follow the procedure below.
(1) Download the sample software
Download the S1C31D01 Peripheral Circuit Sample Software Package (.exe) from Seiko Epson
microcontroller web site.
(2) Install the Peripheral Circuit Sample Software Package
Close all other programs during this installation. Run downloaded Peripheral Circuit Sample Software
Package executable file as administrator. Review the license terms before proceeding with installation.
Select desired folder package to be installed into and select “Install”. After the software has been installed
into the destination, a setup utility called “ToolchainSetup.exe” will automatically launch. Press “Next” on
setup utility and select your preferred versions of uVision identified by the checkboxes. [Note: The setup
utility will copy some flashing binaries into your uVision folders] Select preferred version of a debugger
from the list of supported debug probes. [Note: The setup utility will copy debug configuration files into
your work space] During installation workspace directory will be set automatically. Press “Next” to begin
the setup, and when the “Done” message appears select “Finish” to complete.
(3) Launch the uVision
Once the software setup has completed successfully, launch the uVision.
For the version of IAR EWARM used to evaluate this sample software and more information on the setup utility,
refer to the “README_KEIL.txt” found in this sample software package.

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2.4.2 Workspace Open
The sample software package has a collection of sample software projects in the “Examples” folder. All of the
samples software projects build against the sePeripheralLibrary and some also need the seGraphicsLibrary.
To open a workspace which contains all the sample software projects, select the [Project] > [Open Project…] in
the uVision menu, navigate to “Examples\WORKSPACE\S5U1C31D01T1\ARM” folder, and open the
“Examples.eww” file.
Optionally, each sample software project subfolder has a “board\S5U1C31D01T1\ARM” subfolder which
contains a uVision project file (.uvprojx) and a uVision multi-project workspace file (.uvmpw). To open the
workspace for an individual sample software project, select the [Project] > [Open Project…] in uVision menu,
navigate to the project’s “board\S5U1C31D01T1\ARM” folder, and open the workspace file (.uvmpw).
Figure 2.4.2.1 Example of Multi-Project Workspace
Figure 2.4.2.2 Example of Individual Project Workspace

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2.4.3 Active Project Selecting
To build the sample software project, select a target project to be built and executed. Right-click the target project
in [Project] window on uVision and select the [Set as Active Project] in right-clicked menu (Figure 2.4.3.1). Next,
select the build configuration listed in the drop-down list on the tool bar of uVision (Figure 2.4.3.2).
As shown below, each sample software project contains two build configurations.
•Debug - Build configuration to execute code in internal RAM memory
•DebugFlash - Build configuration to execute code in internal flash memory
Figure 2.4.3.1 Active Project Setting
Figure 2.4.3.2 Selection of Build Configuration