User Manual

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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