SC14405AXXAG

SC14405 Complete Baseband Processor for DECT Handsets APRIL 2001 V1.3 SC14405 Complete Baseband Processor for DECT Handsets with onchip Flash and LCD controller General Description The SC14405 is a CMOS chip optimized to handle all the audio, signal and data processing needed within a DECT handset. An ADPCM transcoder, a very low power CODEC and Analog Frontend is integrated. Direct connections towards microphone and a (dynamical) loudspeaker are provided. Duplex quality handsfree operation is integrated. The SC14405 is designed to fit to any radio design. A dedicated TDMA controller handles all physical layer slot formats and radio control. National Semiconductors standard CompactRISCTM CR16B 16 bit microcontroller takes care of all the higher protocol stack. 4 kByte Flash is integrated for parameter and number storage. The SC14405 has an 125 segment LCD controller. I I I I I I I I I I I I I I I I I I I I I I 3V upto 5.0V battery monitor input. Advanced battery management unit Very low power in active and paging mode. Embedded 16 bit CompactRISCTM Micro Controller. (CR16B) with programmable clock speeds. 4k byte memory mapped Flash 128 kbyte Flash or factory programmed ROM FLASH. 125 segment LCD controller using 5 backplanes ACCESSBUSTM or MICROWIRETM interfaces 5,5 kByte on-chip Data Memory. One full duplex ADPCM transcoder. On-chip 14-bit linear CODEC. 14 upto 44 dB gain differential microphone input buffer. 100 Ω loudspeaker driver. Software controlled gain on audio input and output. Peak hold ADC for RSSI measurement. Five general purpose inputs can be multiplexed on an 8 bit ADC with selectable ranges. On-chip dedicated TDMA instruction co-processor which supports 1.152 MHz, 0.576 MHz and 0.288 MHz bit rates.. 7programmable control signals for radio front end. Full and double slot, protected and unprotected Bfields.Duplex quality handsfree operation. Tone generator. 3 parallel tones can be programmed Linear PCM interface for external codec. Four general purpose ports. Three as input/output, one as output only. Features I Integrated DECT Baseband transceiver optimized for GAP handsets according to ETS 300 175-2, 175-3 & 175-8. I Two on board low drop voltage regulators with 2.85V and 3.0- 3.8V (with external resistors the voltage can be determined) output. I 2V upto 3.6V battery input with onboard step up converter. ________________________________________________________________________________________________ System Diagram SC14405 SC14405 ISDN or Data Interface ISDN SC14425 CID Handsfree PSTN Interface PSTN SC14405 SC14405 SC14405 Note: ACCESSBUSTM, MICROWIRETM and CompactRISCTM are trademarks of National Semiconductor Corporation.- Copyright 2001 National Semiconductor Corp. 1 www.national.com PWM0 PCM_DI PWM1 ADC0 PCM_D0 ADC1 SCL SDA DC_CTRL INT0n INT1n INT2n INT3n INT4n INT5n PON CHARGE SC14405 Complete Baseband Processor for DECT Handsets 1.0 CONNECTION DIAGRAMS LCD1 LCD2 LCD3 LCD4 LCD5 LCD6 LCD7 LCD8 LCD9 LCD10 LCD11 LCD12 LCD13 LCD14 LCD15 LCD16 LCD17 LCD18 P3[7] LCD19 P3[6] LCD20 P3[5] LCD21 P3[4] LCD22 P3[3] LCD23 P3[2] 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 LCD0 AD18 PD7 PD1 PD5 PD4 PD3 PD2 VDD VSS RFCLK VDDRF DAC Xtal1 CAP AVS AVD RSSI RDI CMPREF TDO LE SO SK PCM_FSC/PD6/ADC3 PCM_CLK/DAC2/ADC2 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 AD4 AD5 AD6 AD7 AD12 AD15 AD16 WRn AD17 AD14 AD13 AD8 AD9 AD11 RDn AD10 RCSn DAB7 DAB6 DAB5 VSS VDD DAB4 DAB3 DAB2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 SC14405 DAB1 LCD24 P3[1] DAB0 LCD25/BP4 P3[0] AD0 LCD26/BP3 BP2 AD1 BP1 AD2 BP0 AD3 RSTN AVS2 AVD2 LRS+ LRSVREFMICAGND MIC+ VREF+ VBAT1 VBAT2 DC_DIS VBAT3 DC_stab DC_I P2[6] DC_Sense LDO_Sense LDO2_CTRL LDO1_CTRL UTX URX P0[0] P0[1] P0[2] P0[3] P0[4] P0[5] P0[6] P0[7] P1[0] P1[1] P1[2] P1[3] P1[4] P1[5] P1[6] P1[7] VDD VSS P2[0] P2[1] P2[2] P2[3] P2[4] P2[5] P2[7] 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 17-12-1998 Order Number SC14405AFLAG (128kbyte Full FLASH , Boot mode A, 100 pins TQFP) Order Number SC14405AFLBG (128kbyte Full FLASH , Boot mode B, 100 pins TQFP) Order Number SC14405AxxAG (128kbyte ROM FLASH , Boot mode A, 100 pins TQFP) Order Number SC14405AxxBG (128kbyte ROM FLASH , Boot mode B, 100 pins TQFP) See NS Package Number VJG100A Note 1: All digital outputs can sink/source 2 mA unless otherwise specified. All digital inputs are Schmitt trigger types. After reset all I/Os are set to input and all pull-up or pull-down resistors are enabled unless otherwise specified. PU = Pull-up resistor enabled, PD = Pull-down resistor enabled, I = input A-I, B-I = In Boot mode A or B input and pull-up or pull-down resistor disabled, A-PD, B-PU = In Boot mode A, Pull-down resistor enabled. In Boot mode B, pull-up resistor enabled. Note 2: Reset state of address and data bus and WRn, RDn pins: if SC14405: All signals are ‘1’ at startup. 2 www.national.com SC14405 Complete Baseband Processor for DECT Handsets BLOCK DIAGRAM FIGURE 1. SC14405 Block diagram 3 www.national.com SC14405 Complete Baseband Processor for DECT Handsets 1.0 Package information FIGURE 1. 100 pins TP Quad Flat Pack. NS Package Number VJG100A 4 www.national.com SC14405 Complete Baseband Processor for DECT Handsets 2.0 Product status definitions Definition of Terms Data Sheet Identification Advance Information Product Status Definition This data sheet contains the design specifications for product development. Specifications may change in any manner without notice. This data sheet contains preliminary data. Supplementary data will be published at a later date. National Semiconductor Corporation reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. This data sheet contains final specifications. National Semiconductor Corporation reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. This data sheet contains specifications on a product that has been discontinued by National Semiconductor Corporation. The datasheet is printed for reference information only. Formative or In Design Preliminary First Production No Identification Noted Full Production Obsolete Not In Production National Semiconductor B.V reserves the right to make changes without notice to any products herein to improve reliability, function or design. National does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the right of others. ________________________________________________________________________________________________ LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSIL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com National Semiconductor Europe Fax: Email: Deutsch Tel: English Tel: (+49) 0-180-530 85 86 europe.support@nsc.com (+49) 0-180-530 85 85 (+49) 0-180-532 78 32 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Asia Pacific Customer Response Group Tel: 65-254-4466 Fax: 65-250-4466 Email: sea.support@nsc.com National Semiconductor Japan Ltd. Tel: 81-3-5620-6175 Fax: 81-3-5620-6179 National does not assume any responsibility for use of any circuitry described, no patent licences are implied and National reserves the right at any time without notice to change said circuitry and specifications 5 www.national.com