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
3. TECHNICAL BRIEF
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3. BB Technical Description
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Summary of Contents for L602i
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Page 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Page 71: ...4 TROUBLE SHOOTING 72 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 5 5 Check RF Rx Level TP1 TP3 TP4 Bias1 TP2 Z 3 X B O X C O M ...
Page 101: ...4 TROUBLE SHOOTING 102 LCD Control data flow Z 3 X B O X C O M ...
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Page 130: ...5 DOWNLOAD 131 Click on X button to use another function Z 3 X B O X C O M ...
Page 134: ...6 BLOCK DIAGRAM 135 Table 2 1 1 RF Block Component Z 3 X B O X C O M ...
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