National Semiconductor SC14428
The SC14428 is a CMOS IC optimized to handle all the audio, signal and data processing needed within a DECT (1.9 GHz) or 2.4GHz ISM digital band base stations and handsets. The SC14428 has a programmable Generic DSP optimized for telecom applications. The SC14428 is designed to fit to any radio interface.| Part No. | SC14428 |
|---|---|
| Datasheet | SC14428 Download |
| Manufacturer |  National Semiconductor |
| Description | Baseband Processor for FP & PP DECT and WDCT |
| Buy | Stock & Price |
FEATURES
● Complies with DECT ETS 300 175-2,3 & 8 SWAP-CA V1.3 Rev 1.3 20000616● 1.8Volt operating voltage with 2.65V (typ) IO pads.
● Two chip low drop voltage regulators
● 16 bit CompactRISCTM CR16C Microprocessor with programmable clock speeds up to 20.736 MHz.
● Four channel DMA controller.
● Serial Debug interface, Nexus Class-1 compliant.
● 16kbyte shared, 6kbyte non shared RAM
● 4kbyte shared RAM for TAM DSP
● Versions with ROM, FLASH and data FLASH 3.0 System Diagram SC14428 SC14428 SC14428 CID HANDSFREE ISDN OR DATA INTERFACE PSTN INTERFACE PSTN INTERFACE ISDN PSTN1 PSTN2 SC14428 SC14428 SC14428 CompactRISCTM is a trademark of National Semiconductor Corporation © 2004 National Semiconductor Corporation LMX9820 3.0 System Diagram (Continued) P2[7-0] P1[7-0] P0[7-0] 1->5 CR16C COMPACTRISC 16 BIT MICRO CONTROLLER XTAL TRIMMING FLASH/ PLL 16 BITS SCLK CLOCK DIVIDER BOOT ROM ROM PWM ACCESS BUS1 UART IRDA SDI+ SPI DMA SYSTEM BUS INTERFACE 16 BITS ACCESS BUS2 6KBYTE DATA RAM 8 KBYTE...
