Motorola Mototrbo - Page 72

Location Pin Assignment Type Signal Characteristics
3 Rx Audio 2
5
Audio Receiver Audio – Nominal output level is 330 mVrms (into a
50 k Ohm load) with a 60% deviation receive signal.
1000 Ω output impedance.
4 GPIO 2 Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0–0.8 VDC
Input Logic High: 3.0–14 VDC
5 GPIO 10/Analog
Input 2
5
Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0–0.8 VDC
Input Logic High: 3.0–14 VDC
Analog: 0–5 VDC
6 GPIO 9/Analog In-
put 1
5
Digital Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0–0.8 VDC
Input Logic High: 3.0–14 VDC
Analog: 0–5 VDC
7 Rx Audio 1 Audio Receiver Audio – Nominal output level is 330 mVrms (into a
50 k Ohm load) with a 60% deviation receive signal.
1000 Ω output impedance.
8 GPIO 6 Digital Receiver Audio – Nominal output level is 330 mVrms with a
60% deviation receive signal. 1000 Ω output impedance.
9 Ground
10 GPIO 7/Analog
RSSI Out
5
Digital or
Analog
Digital:
Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0–0.8 VDC
Input Logic High: 3.0–14 VDC
Analog RSSI:
Typically 0.5 VDC for -120 dBm to 2.7 VDC for -60 dBm
carrier. Variation with carrier level at approximately 50 mV/
dBm.
11 GPIO 11/Analog
Input 3
5
Digital or
Analog
Digital:
Output Logic Low: 0.5 VDC max
Output Logic High: Open Collector with 10 k pull-up to 5 V
Input Logic Low: 0–0.8 VDC
Input Logic High: 3.0–14 VDC
Analog: 0–5 VDC
Table continued…
5
Not supported in initial release.
Chapter 7: SLR 5000 Series Back Panel
Motorola Solutions Confidential
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