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Enfora Enabler II-G Assisted GPS
Modem Integration Guide
6.3.3. I/O Connector Pin Assignments
The following table shows the pin assignments for the input/output connector. The pin assignments
are shown in order of functionality.
Table 2 - Enabler II-G A-GPS Pin Assignments
PIN
#
FUNCTION Serial
Pin
I/O ENABLER II-G A-
GPS
Description/Comments
1 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
2 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
3 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
4 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
5 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
6 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
7 Ground R GND Electrical power return for digital and analog grounds.
8 Ground R GND Electrical power return for digital and analog grounds.
9 Handset Speaker (-) O INTERNAL_SPK(-) Handset speaker output (negative).
10 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
11 Ground R GND Electrical power return for digital and analog grounds.
12 Power Input P Batt/Vcc Electrical power input to Enabler II-G A-GPS module.
13 Handset Speaker (+) O INTERNAL_SPK(+) Handset speaker output (positive).
14 GPIO-1 I/O GPIO-1 General-purpose Input/Output.
15 Ground R GND Electrical power return for digital and analog grounds.
16 Ground R GND Electrical power return for digital and analog grounds.
17 Microphone Bias O VMIC Microphone Bias.
18 GPO-5 O GPO-5 General-purpose Output.
19 Ground R GND Electrical power return for digital and analog grounds.
20 Reserved Reserved for future use.
21 Handset Microphone (-) I INT_MIC(-) Handset microphone input (negative).
22 Reset I RST Radio Reset Signal
23 Ground R GND Electrical power return for digital and analog grounds.
24 Power Control Signal I PWR_CTL_SIGNAL Power Control Signal.
25 Handset Microphone (+) I INT_MIC(+) Handset microphone input (positive).
26 Reserved Reserved for future use.
27 GPIO-3 I/O GPIO-3 General-purpose Input/Output.
28 GPIO-2 I/O GPIO-2 General-purpose Input/Output.
29 AUX_RXOUT O GPS RXOUT Serial data out from modem
30 GPIO-4 I/O GPIO-4 GPIO/MCSI TX.
31 AUX_TXIN I TXIN Serial data in from host
32 GPIO-6 I/O GPIO-6 GPIO/MCSI RX.
33 Ground R GND Electrical power return for digital and analog grounds.
34 GPIO-7 I/O GPIO-7 GPIO/MCSI CLK.
35 DAC O DAC Digital-to-Analog Output.
0.3 to 2.0 Vdc minimum range
36 RTC Power I
V
BAK
Modem backup power for real-time clock.
37 Reserved Reserved for future use.
38 Headset Earphone (+) O HEADSET_SPK(+) Headset Earphone (positive).
39 GPIO-8 I/O GPIO-8 GPIO/MCSI FSNC.
40 Headset Microphone (-) I HEADSET_MIC(-) Headset Microphone (negative).
41 Ground 5 R GND Electrical power return for digital and analog grounds.
42 Headset Microphone (+) I HEADSET_MIC(+) Headset Microphone (positive).
43 Serial Receive Data 2 O RXD_RADIO Serial Data to Host.
44 Ground R GND Electrical power return for digital and analog grounds.
45 Data Set Ready 6 O DSR_RADIO DSR Signal to Host.
46 ADC2 I ADC2 Analog-to-Digital Converter Input 2.
0 – 1.75 Vdc range. 1.709 mV resolution. 10 bit.
47 Data Carrier Detect 1 O DCD DCD Signal.
48 SIM Clock O SIM_CLK SIM Clock.
49 Ring Indicator 9 O RI RING Indicator.
MLG0208PB001 23 Version1.01 – 10/3/2006