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T-Box – Hardware description, in circuit programming manual - ver 0.2
Disclaimer
TMW electronic ensures the proper work of T-Box hardware device in combination with the
MSI programmer software. We’re selling this set and we ensure the full support and warranty.
You can contact us in case of any problems.
As for the other software (PSA calculator, Airbag Tool, Navigation software, unregistration
software and other…) - there are too many specific problems eg. Airbag sensor firmware
versions with different algos for crash entry, different ECU coding algos … . The scale of the
support service would be huge! We can not support it for such a low price! The above
mentioned software is for free and should be considered strictly as a bonus. Note that
You’re using it on your own discretion. As this software is free of charge – TMW electronic
does not take any responsibility for the proper work of this software and gives no support.
To avoid software - firmware compatibility problems follow the instruction below.
Check T-Box firmware - Run T-Box MSI software and press T-Box check button. Software
caption (T-Box MSI 18.04.08 – 0.1) means that the software requires firmware 0.1. If your T-
Box firmware >= 0.1 it means there will be no compatibility problems. If the firmware
version of your T-Box is lower then required - run T-Box Updater software and upgrade your
T-Box firmware.
Warnings
•
Do not open the T-Box device.
•
Be careful while trying to connect T-Box device with any other hardware.
•
TMW electronic takes no responsibility for the damage the device may cause!
•
If it's possible - always use external power supply!
•
400mA is the maximal rating output current value the device can deliver!
•
Always use a power supply with current limitation.
•
Read carefully the T-Box USB installation guide document
The T-Box set contents
•
T-Box device
•
USB connection cable
•
DIP8-SOIC8 adapters (3 pcs)
•
Power supply cable
1
Copyright TMW electronic
T-Box – Hardware description, in circuit programming manual - ver 0.2
1.
Introduction.
T-Box can be considered as a future oriented hardware platform designed to work with
almost all TMW electronic software. The main but not only function of this device is a
software hardlock function which in fact means the software protection just like in case of
Hasp or Sentinel dongles.
As mentioned, T-Box is something more than only a software protection dongle. T-Box
can program several serial memories (SPI, I2C, μWire) some MCUs and other devices eg.
navigational processors (FIS). T-Box platform is future oriented and can be freely
reprogrammed via the integrated USB port. The built in extension port enlarges the present
and future application area making this device to a good future investment. Note, you only
have to pay for the device, all future software and firmware updates will be free of charge.
As for the software you can run with this device – there is only one rule. The software name
must start with the letter “T – “. For more details refer to the download section of our www.
2.
Hardware description.
T-Box hardware basis is an 8-Bit RISC MCU with 32kB of internal flash memory running
at 16 MHz. The communication between host PC and the MCU runs via USB interface.
The device is stealing power from USB port to supply the MCU. All programmed devices can
be also fed from USB port (ICP MODE switch in OFF position) but this option is not
recommended. Generally if you want to use the T-Box as a programmer - you always need an
external power supply. Running T-Box as an software protection dongle doesn’t require
additional power source.
USB
uWire
USB
Ext. Power
F 1
V Prog.
Busy
Run
Mode 1
I2C
F 2
Mode 2
VOLTAGE
CONTROLL
ICP MODE
ON
OFF
SPI
POWER
SUPPLY
ICVL
2,5V 5,1V
T-Box top view.
NR
ELEMENT
FUNCTION DESCRIPTION
1.
USB
USB host PC connection port.
Power Supply
External power supply socket 8-12V AC/DC. External power
supply is always recommended and necessary if you want to read in
circuit. If you read a memory placed in T-Box socket, without
2.
2
Copyright TMW electronic
T-Box – Hardware description, in circuit programming manual - ver 0.2
voltage control – you don’t have to connect it. The device takes
voltage from USB port. In this state the ICP MODE switch must be
placed in OFF position. For more details refer to the T-Box
schematic.
Extension port
System voltage, General purpose Input / Output pins. Use this port
if you work in ICP mode! For more details refer to the T-Box
schematic.
3.
4.
USB LED
LED on means +5V USB voltage is present.
Ext. Power
LED
LED on means external voltage is present. This signal is necessary
if you want to work in ICP mode.
5.
6.
V Prog. LED
LED on indicates the presence of the programming voltage.
Busy LED
LED – the function of this led is software dependant. In normal
state, after pressing the F1 function button, led on indicates that the
programming bus is busy. This means you can’t work in ICP mode.
7.
Run LED
LED on indicates the T-Box activity. This means memory reading
or memory programming or data scrambling / decoding.
8.
Mode 1 LED
The function of this led is software depending. For more details
refer to the software specific manual book.
9.
Mode 2 LED
The function of this led is software depending. For more details
refer to the software specific manual book.
10.
ICP MODE
SWITCH
In Circuit Programming switch. Select the ON position if you want
to work in circuit – with voltage control. Select the OFF position if
you work without external power supply – stealing power from
USB port. For more details refer to the T-Box schematic.
11.
ICVL SWITCH
In Circuit Voltage Level. The normal position of this switch is on.
Remove the jumper if you work with the ICP voltage level below
the value of 3V.
12.
F1 Button
Function key. In normal state pressing this key will call a bus traffic
check routine. Busy LED on means bus occupation - programming
is not possible.
13.
F2 Button
System restart key. This key is used in firmware update operation.
For more details refer to the firmware updater software.
14.
15.
Voltage Control
Use this pot. to set the ICP power supply voltage.
μWire dip 8
socket
Use this socket to work with standard pinout μWire serial eeproms.
16.
17.
I2C dip 8 socket
Use this socket to work with standard pinout I2C serial eeproms.
18.
SPI dip 8 socket
Use this socket to work with standard pinout SPI serial eeproms.
3
Copyright TMW electronic
T-Box – Hardware description, in circuit programming manual - ver 0.2
3.
In Circuit Programming.
T-Box hardware and software were designed to read and write data working in circuit –
without desoldering. Special software and hardware features enabling this mode are:
-
Programming voltage regulation (2,5 – 5,1 V)
-
Programmable bus frequency (100 kHz – 1 MHz)
-
Selectable memory write time (2 ms – 10 ms)
-
Special data addressing mode (no page write)
-
Bus traffic detection
-
Dynamic pull-up and system voltage control functions
Reading and writing data in circuit is always a tricky job. During in circuit programming -
the programming lines must stay in HZ otherwise – there will be problems! The best results
are achieved in I2C systems as I2C is a pure bus architecture with open collector transmission
lines. SPI and μWire systems are really hard to work with. In most cases the master MCU
forces the states on transmission lines making data transmission impossible. The only way to
achieve reasonable results is to lower the power supply voltage to a value a memory still work
with but the MCU no - what in practice means you have to lower the voltage to the value of
about 2,8V – 3,5V. Positive results can be also achieved after introducing distortion to the
main MCU simply by shorting the XTAL lines.
Master MCU is not the only problem source in ICP operation. Serial eeprom hardware
connection can also make programming in circuit impossible.
I2C memory type:
•
Physical address lines forced to high state. Standard programmers can’t address such a
memory. In case of T-Box use T – I2C ICP software and rescan the bus. The device
will find the proper physical address and read the memory properly.
•
Write protect line forced to high state. Programming in circuit is not possible.
I2C CLIPS ADAPTER SCHEMATIC
DB
25
M PIN NUMBER
DIP
/
SOIC PIN NUMBER
25 – via 1 kΩ resistor
1 (A0)
25 – via 1 kΩ resistor
2 (A1)
25 – via 1 kΩ resistor
3 (A2)
25
4 (GND)
18
5 (SDA)
17
6 (SCL)
25 – via 1 kΩ resistor
7 (WP)
24
8 (Vcc)
•
Start reading with 2,5V, increase the voltage till there will be no verification errors.
•
Remove the ICVL jumper if the voltage is lower than 3V.
•
Press F1 to check bus state.
•
Memory write time: 10 msec.
4
Copyright TMW electronic
T-Box – Hardware description, in circuit programming manual - ver 0.2
SPI memory type:
•
Hold line forced to low state. Data transmission is interrupted so programming in
circuit is not possible.
•
Write protect line forced to low state. Programming in circuit is not possible.
SPI CLIPS ADAPTER SCHEMATIC
DB
25
M PIN NUMBER
DIP
/
SOIC PIN NUMBER
13
1 (/S)
15
2 (Q)
24 – via 1 kΩ resistor
3 (/W)
25
4 (GND)
14
5 (D)
16
6 (C)
24 – via 1 kΩ resistor
7 (/HOLD)
24
8 (Vcc)
•
Start reading with 2,5V, increase the voltage till there will be no verification errors.
•
Remove the ICVL jumper if the voltage is lower than 3V.
•
If possible – short master MCU XTAL lines
•
Press F1 to check bus state.
•
Memory write time: 10 msec.
SPI M35080 CLIPS ADAPTER SCHEMATIC
DB
25
M PIN NUMBER
DIP
/
SOIC PIN NUMBER
25
1 (GND)
13
2 (/S)
24 – via 1 kΩ resistor
3 (/W)
15
4 (Q)
5 (NC)
16
6 (C)
14
7 (D)
24
8 (Vcc)
•
Start reading with 2,5V, increase the voltage till there will be no verification errors.
•
Remove the ICVL jumper if the voltage is lower than 3V.
•
If possible – short master MCU XTAL lines
•
Press F1 to check bus state.
•
Memory write time: 10 msec.
•
The actual firmware doesn’t support incremental registers erasing.
5
Copyright TMW electronic
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