Motorola MC21XX SERIES Dokumentacja Pobierz pdf (Strona 82)

A - 12 MC21XX Series Integrator Guide

MC21XX Pin-Outs

Figure A-4

MC21XX Connector

Humidity 5% to 95% non-condensing

Drop 76.2 cm (30.0 in.) drops to vinyl tiled concrete at room temperature

Electrostatic Discharge (ESD) +/- 15 kV air

+/- 8 kV contact

Table A-8

Four-slot Battery Charger Technical Specifications (Continued)

Feature Description

Table A-9

MC21XX Pin-Outs

PIN Number Signal Name Function

1 TRIGGER/PTT * Tie to ground to indicate trigger key or PTT press.

2 USB_ID/MIC+ Shared USB ID or Microphone Line.

Ground for USB Host, unconnected for Client Mode.

3 5.4V DC IN +5.4 DC, ±5%, 3A

4 USB_VBUS Host Mode output = +5.0 VDC, 300 mA max.

Client Mode VBUS detect input = +5.0 VDC.

5 UUSB_D-/TxD Shared USB data negative or UART3 TXD (output).

6 USB_D+/EAR+/RxD Shared USB data positive, headset earpiece drive, or UART3 RXD

(input).

7 GND Ground for all charging and USB communication.

Pin 1

Pin 7

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 101 102

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Motorola MC21XX SERIES Dokumentacja Strona 82