Thingmagic M6e Bedienungsanleitung PDF herunterladen (Seite 25)

100

Hardware Interfaces

A DIVISION OF TRIMBLE

Hardware Overview 25

Digital/Power Connector

The digital connector provides power, serial communications signals, shutdown and reset

signals to the M6e module, and access to the GPIO inputs and outputs. These signals are

provided through connector part number: Molex 53261-1571 - 1.25mm pin centers, 1 amp

per pin rating. which mates with Molex housing p/n 51021-1500 with crimps p/n 63811-

0300. See Cables and Connectors

for more information on typical cable parts.

Control Signal Specification

TTL Level UART Interface

The module communicates to a host processor via a TTL logic level UART serial port or

via a USB port. Both ports are accessed on the 15-pin Digital/Power Connector

. The TTL

M6e Digital Connector Signal Definition

Molex

53261-1571

Pin Number

Signal

Direction

(In/Out of M6e)

Notes

1 GND P/S Return Must connect both GND pins to ground

2GND P/S Return

3 +5VDC P/S Input Must connect both 5V supplies

4 +5 VDC P/S Input

5 GPIO1 Bi-directional Input 5VDC tolerant, 16mA Source/Sink

6 GPIO2 Bi-directional

7 GPIO3 Bi-directional

8 GPIO4 Bi-directional

9 UART_RX_TTL In In (Pull-down with +10k Ohm to Ground)

10 UART_TX_TTL Out Out

11 USB_DM Bi-directional USB Data (D-) signal

12 USB_DP Bi-directional USB Data (D+) signal

13 USB_5VSENSE In Input 5V to tell module to talk on USB

14 SHUTDOWN In Pull LOW to enable module. Set HIGH to dis-

able all 5V Inputs and shutdown module.

15 RESET Bi-directional

HIGH output indicates

Boot Loader is running

LOW output indicates

Application Firmware is

running

Note: Not 5V tolerant.

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