Q2686 Wavecom, Q2686 Datasheet - Page 9

• Manufacturer Part Number: Q2686
• Description: Wireless CPU
• Manufacturer: Wavecom

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3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
3.22
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
3.4.2
3.8.1
3.11.1
3.11.2
3.11.3
3.13.1
3.13.2
3.13.3
3.13.4
3.14.1
3.19.1
3.21.1
3.4.1.4
3.4.2.1
3.4.2.2
3.11.1.1
3.11.1.2
3.11.1.3
3.11.1.4
3.11.2.1
3.11.2.2
3.11.3.1
3.11.3.2
3.11.3.3
3.14.1.1
3.14.1.2
Keyboard Interface ................................................................................ 34
Main Serial Link (UART1) ...................................................................... 35
Auxiliary Serial Link (UART2) ................................................................ 37
SIM Interface ........................................................................................ 38
General Purpose Input/Output .............................................................. 40
Analog to Digital Converter ................................................................... 42
Analog Audio Interface ......................................................................... 43
Buzzer Output ...................................................................................... 47
Battery Charging Interface .................................................................... 48
ON / ~OFF signal .................................................................................. 51
BOOT Signal ......................................................................................... 55
Reset Signal (~RESET) .......................................................................... 56
External Interrupt.................................................................................. 58
VCC_2V8 and VCC_1V8 Output ............................................................. 59
BAT-RTC (Backup Battery).................................................................... 60
FLASH-LED Signal ................................................................................ 61
Digital Audio Interface (PCM)................................................................ 63
USB 2.0 Interface.................................................................................. 66
I2C Bus ......................................................................................... 32
General Description....................................................................... 38
Microphone Inputs........................................................................ 43
Common Speaker Output Characteristics...................................... 45
Speaker Outputs ........................................................................... 45
Ni-Cd / Ni-Mh Charging Algorithm ................................................ 48
Li-Ion Charging Algorithm ............................................................. 49
Controlled Pre-charging Hardware ................................................ 50
Temperature Monitoring ............................................................... 50
Operating Sequences .................................................................... 51
Interface Description ..................................................................... 60
Description ................................................................................... 63
SPI2 Bus ................................................................................. 31
I²C Waveforms ........................................................................ 32
I²C Bus Pin-out ....................................................................... 33
Common Microphone Input Characteristics ............................ 43
Main Microphone Inputs (MIC2) ............................................. 43
Auxiliary Microphone Inputs (MIC1)........................................ 44
Microphone Electrical Characteristics...................................... 44
Differential Connection ............................................................ 45
Single-ended Connection ........................................................ 45
Speaker 2 Outputs .................................................................. 45
Speaker 1 Outputs .................................................................. 46
Speaker Power Output ............................................................ 46
Power-ON ............................................................................... 51
Power-OFF.............................................................................. 54
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Q2686 Wireless CPU
March 6, 2007
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