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3. BB Technical Description
3.6 Digital BaseBand(DBB/MSM6250A)
3.6.1 General Description
A. Features(MSM6250A)
• The ARM926EJ-S microprocessor can operate at up to 180 MHz with variable rate, software
controlled clocks to provide greater standby time.
• Integrated PLL to provide additional on-chip clock frequencies
• Supports low-power, low-frequency crystal to enable TCXO shutoff
• Integrated USIM Controller for direct interface to USIM card
• Software-controlled power management feature
• Automatic access conversion of 32-bit data accesses to 16-bit devices
• Advanced 409-ball CSP packaging
• WCDMA Access
- Maximum of eight simultaneous transport channels
- Four coded composite transport channels (CCTrCH)
- PS data rates supporting 384kbps DL / 64kbps UL
• GSM/GPRS Access
- GSM/GPRS network signaling (from Layer 1 to 3)
- GSM AMR,EFR,FR
• Operation and Services
- SIM Interfaces
- General Purpose I/O (GPIO) Interface
- Dual Memory Buses(EBI1 & EBI2)
- JTAG
- RTC
• Data Communication
- UARTs (ACB, EDB (RS232))
- Slave USB
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Summary of Contents for L601i
Page 1: ...Date October 2006 Issue 1 0 Service Manual Model L601i Service Manual L601i Z 3 X B O X C O M ...
Page 3: ... 4 Z 3 X B O X C O M ...
Page 45: ...3 TECHNICAL BRIEF 46 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Page 105: ...4 TROUBLE SHOOTING 106 Audio AMP 22 and 23 pin of CN501 Z 3 X B O X C O M ...
Page 109: ...4 TROUBLE SHOOTING 110 Ear_sense_n pin R506 R507 R505 Z 3 X B O X C O M ...
Page 112: ...4 TROUBLE SHOOTING 113 Q400 Q401 VBAT T GND Z 3 X B O X C O M ...
Page 125: ...5 DOWNLOAD 126 Click on X button to use another function Z 3 X B O X C O M ...
Page 130: ...6 BLOCK DIAGRAM 131 6 2 Interface Diagram L601i Interface Diagram Z 3 X B O X C O M ...
Page 132: ...6 BLOCK DIAGRAM 133 Top Side Z 3 X B O X C O M ...
Page 133: ... Bottom Side 6 BLOCK DIAGRAM 134 Z 3 X B O X C O M ...
Page 141: ... 142 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 142: ... 143 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 143: ... 144 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 144: ... 145 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 145: ... 146 Z 3 X B O X C O M ...
Page 151: ... 152 Z 3 X B O X C O M ...
Page 153: ... 154 Z 3 X B O X C O M ...
Page 176: ...Note Z 3 X B O X C O M ...
Page 177: ...Note Z 3 X B O X C O M ...