User`s guide

iv Intel
®
StrongARM
®
SA-1110 Development Board User’s Guide
4.7.4 Logic Analyzer Support.................................................................4–18
4.8 SMBus .......................................................................................................4–19
4.9 Serial Ports ................................................................................................4–19
4.10 Power System............................................................................................4–20
4.10.1 Power System Design Benefits.....................................................4–20
4.10.2 Power System Design ..................................................................4–20
4.10.2.11.5V Core Power .............................................................4–21
4.11 Power for the Intel® StrongARM SA-1110 Development
Board .........................................................................................................4–22
4.11.1 3.3 V Main System Power Design Considerations ....................... 4–22
4.11.2 MAX1705 Boost Converter and MIC5219 LDO Linear
Regulator ......................................................................................4–23
4.11.2.1Sleep Mode......................................................................4–24
4.11.2.2Virtual Backup Battery .....................................................4–25
4.11.2.3Linear Boost Bootstrap System .......................................4–25
4.11.2.4Radio Power ....................................................................4–26
4.11.2.5LCD Power ......................................................................4–27
4.11.2.6System Power Limits .......................................................4–27
4.12 Audio Systems...........................................................................................4–28
4.12.1 Stereo Codec................................................................................4–29
4.12.2 L3 Bus...........................................................................................4–29
4.12.3 Stereo Codec Interface.................................................................4–30
4.12.4 Microphone and Speaker..............................................................4–31
4.12.5 SA-1110 Development Board Stereo Codec
Sampling Rates ............................................................................4–31
4.12.6 Phone Codec and Soft Modem.....................................................4–31
4.12.7 Audio System Routing and Mixing Diagram ................................. 4–32
4.12.7.1UDA1341 Loopback Mode...............................................4–32
4.12.7.2UDA1341 Digital Routing with Mixing
in the SA-1110 .................................................................4–32
4.13 Radio Interface ..........................................................................................4–33
4.13.1 CDMA Radio Module ....................................................................4–34
4.13.2 GSM Radio Module ...................................................................... 4–34
4.13.3 Bluetooth Radio Module ...............................................................4–34
4.14 Quiet Alert Motor........................................................................................4–34
4.15 IrDA Infra-red Communications .................................................................4–34
4.16 USB Slave Port..........................................................................................4–35
5 Analog I/O...............................................................................................................5–1
5.1 UCB1300 Analog IO ....................................................................................5–1
5.1.1 Battery Voltage ...............................................................................5–1
5.1.2 Battery Temperature.......................................................................5–2
5.1.3 Analog Spare ..................................................................................5–2
5.2 Analog Outputs ............................................................................................5–3
5.3 Touch Screen ..............................................................................................5–3
6 System Power Management .................................................................................6–1
6.1 Battery Power ..............................................................................................6–1
6.2 Battery Management ...................................................................................6–1
6.2.1 Low-Cost Battery Management ......................................................6–1
6.2.2 Smart Battery Management............................................................6–3
6.2.3 Battery Physical Interface ............................................................... 6–3
6.2.4 Battery Capacity .............................................................................6–3