2 |
| GE863 module connections |
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2.1 |
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Pin |
| Signal | I/O | Function | Internal | Type |
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| Pull up |
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1 |
| GPIO13 | I/O | GPIO13 |
| CMOS 2.8V |
2 |
| GPIO12 | I/O | GPIO12 |
| CMOS 2.8V |
3 |
| GPIO11 | I/O | GPIO11 |
| CMOS 2.8V |
4 |
| GPIO10 | I/O | GPIO10 |
| CMOS 2.8V |
5 |
| GPIO9 / | I/O | GPIO9 / CAM_RST (2) |
| CMOS 2.8V |
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| CAM_RST |
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6 |
| GPIO8 / | I/O | GPIO8 / CAM_ON (2) |
| CMOS 2.8V |
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| CAM_ON |
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7 |
| CAM_CLK | I/O | Camera clock (2) |
| CMOS 2.8V |
8 |
| GND | - | Ground |
| Power |
9 |
| EAR_MT- | AO | Handset earphone signal output, phase - |
| Audio |
10 |
| EAR_MT+ | AO | Handset earphone signal output, phase + |
| Audio |
11 |
| EAR_HF+ | AO | Handsfree ear output, phase + |
| Audio |
12 |
| EAR_HF- | AO | Handsfree ear output, phase - |
| Audio |
13 |
| MIC_MT+ | AI | Handset microphone signal input; phase+ |
| Audio |
14 |
| MIC_MT- | AI | Handset microphone signal input; phase- |
| Audio |
15 |
| MIC_HF+ | AI | Handsfree microphone input; phase + |
| Audio |
16 |
| MIC_HF- | AI | Handsfree microphone input; phase - |
| Audio |
17 |
| GND | - | Ground |
| Power |
18 |
| SIMCLK | O | External SIM signal – Clock |
| 3V ONLY |
19 |
| SIMRST | O | External SIM signal – Reset |
| 3V ONLY |
20 |
| SIMIO | I/O | External SIM signal - Data I/O |
| 3V ONLY |
21 |
| SIMIN | I/O | External SIM signal - Presence (active low) | 47KΩ | CMOS 2.8V |
22 |
| SIMVCC | - | External SIM signal – Power (3) |
| 3V ONLY |
23 |
| ADC_IN1 | AI | Analog/Digital converter input |
| A/D |
24 |
| VRTC | AO | VRTC Backup capacitor |
| Power |
25 |
| TX_TRACE |
| TX data for Python Debug (4) |
| CMOS 2.8V |
26 |
| RX_TRACE |
| RX data for Python Debug (4) |
| CMOS 2.8V |
27 |
| VBATT | - | Main power supply |
| Power |
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