CT8852D GSM/GPRS Single-Chip Terminal

Features

1. External Memory Interface
Integrated 32Mb flash on chip, and also supports external SPI Flash
Integrated PSRAM on chip, 16Mb
Power efficient using retention technology to avoid floating lines
Flexible IO voltage to support a wide variety of combo Memory

2. GSM/GPRS Modem
GPRS Class 12
Quad bands integrated transceiver
Supports HR, FR, EFR, AMR voice codec
Dual SIM controller with integrated level shifters
Provide a complete GSM/GPRS data path with integrated RF transceiver, only needs external PA and ASM

3. Multimedia
Support camera interface up to 3Mpix sensors with 8 bit parallel or 1/2/4 data series interface
Support LCD module interface with 8 bit parallel interface or SPI series interface
Support up to 480X640 resolution
4-layers blending graphical engine capable of resizing and YUV2RGB conversion
Proprietary 16/32-bit digital signal processing engine to improve computation performance

4. Power Management
Power On reset control
Support internal 32K OSC for standby/ shutoff/sleep state
Battery charger
Integrated all internal voltages from VBAT
Provide all LDOs for external components

5. User Interface
8x8 Keypad scanner with multiple key detection
Alerter
Light Pulse Generator for blinking LED
Touch screen interface
LED drivers for LCD and keyboard backlight
Calendar (Real Time Clock) with alarm

6. Connectivity
USB 1.1 Device
1 SD controller
1 SD/SPI controller
1 UART interface
1 I2C controller
General Purpose I/Os
2 GPADC, 10bits, 2 channels

7. Audio
2 channels voice ADC, 8kHz, 13 bits/sample for headset and on-board microphone
Voice DAC, 8kHz, 13 bits/sample for receiver
High fidelity Stereo DAC, up to 48kHz, 16 bits per sample
Stereo Audio speaker driver
1W differential output stereo amplifier for loudspeaker
Stereo analog audio line input
I2S for digital audio interface

8. Debug
Host debug interface allowing non intrusive in depth investigation
GDB debugger
High level text based debugging using Host debug or USB

APPLICATIONS

Multi-band GSM/GPRS Mobile Handsets, PDAs, data terminals and Modems: GSM 850, GSM 900, DCS1800, PCS 1900.
The high level of integration achieved on CT8852D allows for highly featured phone without increasing the BOM.