Specifications

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6-3
Circuit Description
ANTENNA
RF Control Signals
Microprocessor Bus
Address/Data
PCM Data
General-Purpose Interface Bus
Keypad
RINGER
Transmit I and Q Data
RF
and
IF
Circuits
IFT3000
CDMA
Processor
GENERAL
PURPOSE
INTERFACE
CODEC
PCM Data
Digital Test Bus
Extemal Mode Selection
Aux.
CODEC
SPK
MIC
VOCODER
DFM
PROCESSING
General Purpose
ADC Interface
RF
Interface
UART
ARM7TDMI
Microprocessor
Subsystem
Peripheral
Circuits
(RAM, ROM,
EEPROM,
Display, etc.)
MSM3000
Mobile Station Modem
1 2 3
4 5 6
7 8 9
0
External
Test/Debug
System
Receive Data
and Status
Receive Data
and Status
Receive Data
and Status
IFR3000
Offset Controls
MODE Select Interface
ANSI/IEEE 1149.1-1990
JTAG Interface
Figure 6-1 Baseband Block Diagram