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128K bits Instruction-Cache
128K bits Data-Cache
On-chip boot ROM for Factory Flash Programming
Watchdog timer for system crash recovery
3 sets of General Purpose Timer
Circuit Switch Data coprocessor
Division coprocessor
PPP Framer coprocessor
External Memory Interface
Supports up to 4 external memory devices
Supports 8-bit or 16-bit memory components with maximum size of up to 128M Bytes each
Supports Mobile SDRAM and Cellular RAM
Supports Flash and SRAM/PSRAM with page mode or burst mode
Industry standard Parallel LCD interface
Supports multi-media companion chips with 8/16 bits data width
Flexible I/O voltage of 1.8V ~ 2.8V for memory interface
Configurable driving strength for memory interface
User Interfaces
8-row × 8-column keypad controller with hardware scanner
Supports multiple key presses for gaming
SIM/USIM controller with hardware T=0/T=1 protocol control
Real Time Clock (RTC) operating with a separate power supply
General Purpose I/Os (GPIOs)
4 sets of Pulse Width Modulation (PWM) output
Alerter output with Enhanced PWM or PDM
8 external interrupt lines
Security
Supports security key and 126 bit chip unique ID
Connectivity
3 UARTs with hardware flow control and speeds up to 921600 bps
IrDA modulator/demodulator with hardware framer. Supports SIR/MIR/FIR operating speeds.
USB 2.0 capability
Multi Media Card, Secure Digital Memory Card, Memory Stick, Memory Stick Pro host
controller with flexible I/O voltage power
Supports SDIO interface for SDIO peripherals as well as WIFI connectivity
DAI/PCM and I2S interface for Audio application
Power Management
Power Down Mode for analog and digital circuits
Processor Sleep Mode
Pause Mode of 32 KHz clocking in Standby State
4-channel Auxiliary 10-bit A/D Converter for charger and battery monitoring and photo sensing
Test and Debug
Built-in digital and analog loop back modes for both Audio and Baseband Front-End
DAI port complying with GSM Rec.11.10
JTAG port for debugging embedded MCU
3.1.3 MODEM Features
Radio Interface and Baseband Front End
GMSK modulator with analog I and Q channel outputs
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