TMCM-3230 Hardware Manual • Hardware Version V1.30 | Document Revision V1.20 • 2019-MAR-01
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Pin Direction
Description
Pin Direction Description
27
In
Motor 2 REFR / DIR
28
Out
Motor 1 A0
29
In
Motor 2 REFL / STEP
30
Out
Motor 1 A1
31
-
Reserved
32
Out
Motor 1 B0
33
-
Reserved
34
Out
Motor 1 B1
35
-
Reserved
36
Out
Motor 2 A0
37
-
Reserved
38
Out
Motor 2 A1
39
-
Reserved
40
Out
Motor 2 B0
41
-
Reserved
42
Out
Motor 2 B1
43
-
Reserved
44
In
Shutdown (2k2 pull-up to +5V)
45
In
General purpose input 0
46
Out
General purpose output 0
47
In
General purpose input 1
48
Out
General purpose output 1
49
In
General purpose input 2
50
Out
General purpose output 2
51
In
General purpose input 3
52
Out
General purpose output 3
53
In
General purpose input 4
54
Out
General purpose output 4
55
In
General purpose input 5
56
Out
General purpose output 5
57
In
General purpose input 6
58
Out
General purpose output 6
59
In
General purpose input 7
60
Out
General purpose output 7
61
In
GND
62
In
GND
63
-
Reserved
64
Out
RS485 Direction
65
In and Out CAN-
66
In
UART_RxD
67
In and Out CAN+
68
Out
UART_TxD
Table 2: Main Connector Pin Assignment
NOTICE
Do not plug-in or remove TMCM-3230 during operation! Voltage spikes and / or
partly connected supply pins might lead to permanent damage of the module.
4.2 USB Connector
The TMCM-3230 offers one Micro-USB connector. This connector is located at the upper end of the plug-in
module. It has been integrated for quick and easy parameter setting and firmware udpates of the module
- either in-system or even while the main connector is un-plugged. The USB device interface (Full-speed)
supports USB bus powered operation. During this mode the processor and the on-board non-volatile
memory (EEPROM) are powered and firmware updates, download of TMCL programs and parameter
setting is possible without any further connection - apart from USB. In addition, UART communication, the
SPI interface, all general purpose inputs and outputs, Alarm output, the CAN interface and the dedicated
Reset input are operational while motor driver outputs and motor controller / driver related REF / Step /
Dir inputs are not operational.
In self powered mode when the TMCM-3230 is plugged into its mainboard and power via the 68pin
connector is applied communication via USB is possible, also. In this configuration USB might be used as
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