3. TECHNICAL BRIEF
- 55 -
•
Autonomous power down scenarios of Bluetooth and cellular system supported
•
Packages:
- P-VQFN-48 package
- P-WFLGA-56 package
•
Temperature range from -40
°
C up to 85
°
C
•
Boundary scan for interface lines via JTAG
3.17.2 Micro-Controller-Section
•
ARM7TDMI-STM ARM® Processor for protocol and application software
•
Wa Interrupt Module
3.17.3 Micro-Controller Memory
•
32 KByte RAM
•
256 KByte read only Program Memory
•
8 KByte Patch RAM
3.17.4 Interfaces
•
UART (Bluetooth - Interface, support for HCI UART and Three-Wire UART transport layers
with/without hardware handshaking) up to 3.25MBaud ¶U Two channel PCM Audio interface with
I2S mode
•
I2C Interface
•
Three channel full duplex CVSD trans coder
•
General Purpose I/Os
- External interrupt
- Port output levels available during low-power mode (VDD supplied)
•
Separate voltage domains for GPIO, UART and PCM interfaces
•
Control signal for requesting external (cellular) system clock
•
Multi frequency (e.g. 32.768 kHz) low power clock input
3.17.5. RF-Section
•
Integrated antenna switch to minimize external components count
•
Programmable RF transmit power between -55dBm...+6dBm
- Fine tuning in 2dB programmable steps also supported
•
20dBm power class 1 supported with external power amplifier
- Separate TX output interface to PA (bypass of internal T/R switch)
- Digital power step control
•
Receiver sensitivity typ. -90dBm
•
High performance integrated LNA with excellent blocking and inter modulation performance
•
Low-IF receiver topology eliminates external IF filters
•
Digital demodulation for optimum sensitivity and co- / adjacent channel performance
- Digital offset compensation, symbol and frame synchronization
•
RSSI information for power control
Содержание Prada KE850
Страница 1: ...Date March 2007 Issue 1 0 Service Manual Model KE850 Service Manual KE850 ...
Страница 3: ... 4 ...
Страница 5: ... 6 ...
Страница 70: ...4 PCB layout 71 4 PCB layout 4 1 Main Sub PCB component placement Main PCB Top Main PCB Top placement ...
Страница 71: ...4 PCB layout 72 Main PCB bottom Main PCB bottom placement ...
Страница 115: ... 116 6 Download S W upgrade 6 Press the START button ...
Страница 116: ... 117 6 Download S W upgrade 7 Stand by condition Wait is displayed connect the Phone KE850 KE850P40 7 V09a ...
Страница 117: ...6 Download S W upgrade 118 KE850 KE850P40 7 V09a KE850 KE850P40 7 V09a ...
Страница 127: ... 128 LGMC 8 pcb layout ...
Страница 128: ... 129 LGMC 8 pcb layout ...
Страница 129: ... 130 LGMC 8 pcb layout ...
Страница 130: ... 131 LGMC 8 pcb layout ...
Страница 131: ... 132 8 pcb layout ...
Страница 132: ... 133 8 pcb layout ...
Страница 133: ... 134 8 pcb layout ...
Страница 134: ... 135 8 pcb layout ...
Страница 135: ... 136 8 pcb layout ...
Страница 136: ... 137 8 pcb layout ...
Страница 137: ... 138 ...
Страница 139: ...9 RF Calibration 140 9 2 3 Click SETTING Menu 9 2 4 Setup Ezlooks menu such as the following figure ...
Страница 141: ...9 RF Calibration 142 9 2 7 Select MODEL 9 2 8 Click START for RF calibration 9 2 9 RF Calibration finishes ...
Страница 142: ...9 RF Calibration 143 9 2 10 Calibration data will be saved to the following folder Saving format year month day PASS ...
Страница 149: ... 150 ...
Страница 151: ... 152 ...
Страница 172: ...Note ...
Страница 173: ...Note ...