Q2686 Wavecom, Q2686 Datasheet - Page 3

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

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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
Level
01/17/2005
06/01/2005
15/09/2005
November
22, 2005
February
2006
Date
confidential ©
Creation (Preliminary version)
Pin-out modification (see chapter 3.1)
Update Functional architecture
Pin-out modification (see chapter 4.1)
Add RESET state of all IOs of all interfaces
Update power supply range (see chapter 3.2)
Update electrical information for digital IO
(see chapter 3.2)
Update SPI bus configuration (see chapter 3.4)
Remove 3 GPIO (see chapter 3.9)
Change MIC1 biasing voltage configuration
(see chapter 3.11)
Change SPK1 definition to only single-ended
(see chapter 3.11)
Update ON/ÕFF operating sequence (see chapter 3.14)
Update BOOT definition (see chapter 3.15)
Update ~RESET operating sequence and electrical
characteristics (see chapter 3.14)
Update Interrupt activation (see chapter 3.17)
Update RTC electrical characteristics (see chapter 3.19)
Update PCM description and add waveform
(see chapter 3.21)
Update Q2686 version “Overview” section
Update “Cautions”, “Trademarks” and “Copyright”
Update “Electrical information for digital I/O”
(see chapter 3.3)
Update SPI max frequency (see chapter 3.4)
Update available GPIO (see chapter 3.9)
Add “OFF state“ voltage caution (see chapter 3.2)
Update “Battery charging interface” (see chapter 3.13)
Update “Analog audio interface” (see chapter 3.11)
Update ”Environmental Specifications” (see chapter 4.2)
Update “General Purpose Connector pin-out description”
(see chapter 4.1)
Update “PCM interface” waveform (see chapter 3.21)
Update “Electrical information for digital IO” absolute
maximum rating (see chapter 3.3)
Update “General purpose connector” (see chapter 3.1)
Update “SPI bus” speed (see chapter 3.4.1)
Update “I²C bus” (see chapter 3.4.2)
Update “Main serial link UART 1” maximum speed
(see chapter 3.6)
Update “Auxiliary serial link UART 2” maximum speed
(see chapter 3.7)
Update “SIM” General description (see chapter 3.8.1)
Update “USB 2.0 interface” features (see chapter 3.22)
Update “Operating system upgrade” (see chapter 6.3)
Update “General purpose input/output” signals description
(see chapter 3.9)
Update “General purpose connector pin-out description”
signal description (see chapter 4.1)
Update “Battery charging interface” (see chapter 3.13)
Update “Analog to μDigital Converter” (see chapter 3.10)
Update “FLASH-LED signal” (see chapter 3.20)
Document History
List of revisions
Q2686 Wireless CPU
March 6, 2007
Page: 2 / 87
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