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UM-TW_Terminal2 v1.8.pdf
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UM-TW_Terminal2 v1.8.pdf详细使用说明书。对初学者很有用。
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TW_Terminal2
User’s Manual
Techwell, Inc.
408 E. Plumeria Drive
San Jose, CA 95134
URL http://www.techwellinc.com
Disclaimer
This document provides technical information for the user. Techwell, Inc. reserves the right to modify the
information in this document as necessary. The customer should make sure that they have the most
recent data sheet version. Techwell Inc. holds no responsibility for any errors that may appear in this
document. Customers should take appropriate action to ensure their use of the products does not infringe
upon any patents. Techwell Inc. respects valid patent rights of third parties and does not infringe upon or
assist others to infringe upon such rights.
Techwell,Inc. TW_Terminal2 User’s Manual
Version 1.8 11/13/2008
- 2 -
Document Revision History
VERSION DATE NOTES BY
1.0 10/1/2007 INITIAL FOR TW_TERMINAL VER 2.40 VAN NGUYEN
1.1 10/9/2007 ADDED INFORMATION FOR:
-Echo Off
-Display Debug String
-Firmware option for Save Register
-Special command for Send Text
VAN NGUYEN
1.2 10/15/2007 BASIC REVISION VAN NGUYEN
1.3 1/21/08 ADDED INFORMATION FOR VER 2.45:
- New Register Table Functions and Features
- Updated/Edited some Figures
VAN NGUYEN
1.4 2/06/08 ADDED INFORMATION FOR VER 2.50
- Renesas Firmware Update Support
- “No Handshaking” selection
- Table function for all control pages
VAN NGUYEN
1.5 7/31/08 ADDED INFORMATION FOR VER 2.51
- Simulation Mode
VAN NGUYEN
1.6 9/3/08 ADDED INFORMATION FOR VER 2.6
- New Send Text Command
- Default Device
- New Terminal Command
VAN NGUYEN
1.7 9/9/08 ADDED INFORMATION FOR VER 2.6
- Project History
VAN NGUYEN
1.8 11/13/08 FORMAT CHANGES
ADDED INFORMATION FOR VER 2.64F
- Tool Bar position (Left, Top) Option
- User Hint support
- Support mouse wheel Up/Down for Radio Group
- Support pre-command ‘NOWRITE’
- Added features for SPI flash firmware programming
- SPI Test page
VAN NGUYEN
Techwell,Inc. TW_Terminal2 User’s Manual
Version 1.8 11/13/2008
- 3 -
TABLE OF CONTENT
DISCLAIMER ........................................................................................................................................................- 1 -
1)
TW_TERMINAL2......................................................................................................................................- 4 -
2)
START TW_TERMINAL2 PROGRAM ..................................................................................................- 4 -
3)
CREATE A NEW PROJECT.....................................................................................................................- 4 -
4)
BASICS FOR A PROJECT...................................................................................................................... - 11 -
5)
USING “SEND TEXT FILE” ..................................................................................................................- 15 -
6)
FIRMWARE UP-GRADE........................................................................................................................- 17 -
a)
External Microcontroller ....................................................................................................................- 17 -
b)
Internal Microcontroller .....................................................................................................................- 18 -
7)
USING THE REGISTER TABLE...........................................................................................................- 21 -
8)
USING THE CONTROL PAGES............................................................................................................- 25 -
Techwell,Inc. TW_Terminal2 User’s Manual
Version 1.8 11/13/2008
- 4 -
1) TW_Terminal2
This windows terminal application is used to communicate with TW88xx devices. The basis of the
communication is I2C register read/write. It may be used with the TW-Dongle that will enable the user to use
I2C, RS-232, or SPI mode. In RS-232 mode, it behaves similar to HyperTerminal. In I2C or SPI mode, it
utilizes the TW-Dongle to achieve other forms of communication with the evaluation boards and custom made
boards. It also includes easy to use features such as firmware upgrade, register tables read/write, send text files
of commands, and control pages for graphical user interface to control the TW88xx devices.
System Requirement: Windows XP, 2000, and Vista
2) Start TW_Terminal2 Program
TW_Terminal2 is an executable file that can be started by double clicking the icon in the directory where it
was saved to. Although the RS-232 interface may be used with a regular serial cable, most of the features of
this application is designed to be used with the provided TW-Dongle.
Figure 1. TW_Terminal Folder
3) Create a New Project
Techwell has many different devices that require different settings. To accommodate the differences among the
product lines, the different setting for each device can be saved as a project. When a project is saved for a
certain device, the parameter is also saved and does not need to be set again when the project is reopened. The
TW8816 will be used as an example throughout the document.
a) TW_Terminal2 will open with a “New” project by default. It is recommended to provide a name to the
project, and then do a “Save Project As…” to save it to the desired directory.
Figure 2. Save New Project
Techwell,Inc. TW_Terminal2 User’s Manual
Version 1.8 11/13/2008
- 5 -
b) Go to File > Setup or click on the at the tool bar.
i) “Connection” page
This page is used to setup the necessary parameters for the communication between the PC and the
evaluation board.
Figure 3. Setup Connection
1) TW_Terminal2 provides support for two “Connect through” paths. One connection is from USB
port direct to the I2C bus (USB I2C), and the other one is to the RS-232 (USB RS-232 ).
The RS-232 connection path will be used as the example throughout the document. ( Refer to
TW_Dongle User’s Manual )
2) TW_Terminal2 also includes support for “Simulation mode” that will simulate the register settings
of the TW88xx without an actual TW88xx hardware platform. After sending a text file with the
desired register settings, the designer would be able to read the register values in the custom
control pages. These values would be the same as the register values that would have been written
and read from an actual TW88xx device if it was present. This is useful when there is no
hardware because it may help the designer test the register settings before actually applying it to
the device.
How to use “Simulation Mode”:
(a) Check the “Simulation Mode” box in Setup window
(b) Send Text File (Refer to section 5)
(c) Open the desired custom control page (Refer to section 3.d)
(d) Perform a “Read All” for the registers of the desired control page
(e) Register values should appear as it would if the text file was to be written to an actual
TW88xx device.
(f) Limitations:
(i) Does not support indirect registers such as the OSD window for TW8816 and TCON for
TW8806
(ii) Does not support modification in the control pages and save of that modification back to
the text file
(iii) Does not support Register Table feature
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