3. TECHNICAL BRIEF
- 44 -
2. LDO Block
1. There are 8 LDOs in the AD6535.
- VCORE : supplies Digital baseband Processor core and AD6535 digital core
- VMEM : supplies external memory and the interface to the external memory on the digital
baseband processor (1,8V or 2.8V, 150mA)
- VEXT
: supplies Radio digital interface and high voltage interface (2.8V, 170mA)
- VSIM
: supplies the SIM interface circuitry on the digital processor and SIM card (2.85V, 20mA)
- VRTC
: supplies the Real-Time Clock module (1.8 V, 20 :A)
- VABB
: supplies the analog portions of the AD6535
- VMIC
: supplies the microphone interface circuitry (2.5 V, 1 mA)
- VVCXO : supplies the voltage controlled crystal oscillator ( 2.75 V, 10 mA)
- VBACK : charges the backup battery and supplies the RTC regulator (2.8V, 1.8V)
- VAPP
: supplies application co-processors such as a touch screen digitizer (3.0V, 1.8V)
- VUSB
: supplies the USB interface.
Figure 3-14. AD6535 POWER MODE LOGIC
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Summary of Contents for MG300d
Page 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Page 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Page 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Page 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 113: ... 114 Z 3 X B O X C O M ...
Page 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 137: ... 138 Z 3 X B O X C O M ...
Page 138: ... 139 Z 3 X B O X C O M ...
Page 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
Page 141: ... 142 Z 3 X B O X C O M ...