INTEGRATED CIRCUITS DATA SHEET PCD5092 DECT baseband controller Objective specification Supersedes data of 1996 Oct 30 File under Integrated Circuits, IC17 1997 Jul 21 Philips Semiconductors Objective specification DECT baseband controller PCD5092 CONTENTS 1 FEATURES 1.1 DSP software features 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING INFORMATION 5.1 5.2 Pinning Pin description 6 FUNCTIONAL DESCRIPTION 7 PACKAGE OUTLINE 8 SOLDERING 8.1 8.2 8.3 8.4 Introduction Reflow soldering Wave soldering Repairing soldered joints 9 DEFINITIONS 10 LIFE SUPPORT APPLICATIONS 11 PURCHASE OF PHILIPS I2C COMPONENTS 1997 Jul 21 2 Philips Semiconductors Objective specification DECT baseband controller 1 PCD5092 • Easy interfacing with radio circuits, operating at other supply voltage (RF supply pin with level shifter for RF signals) FEATURES • 80C51 ports P0, P1, P2 and P3 available for interfacing to display, keyboard, I2C-bus, interrupt sources and/or external memory. Integrated 64 kbyte ROM, 3 kbytes of data memory and 1 kbyte SDR-RAM. External program memory is addressable up to 128 kbytes • On-chip comparator for use as data-slicer • Low power oscillator with integrated frequency adjustment • +2.7 to +5 V port (P0 to P3) interface • QFP100 package • TDMA frame (de)multiplexing. Transmission or reception can be programmed for any slot. • Power-on-reset • Ciphering, scrambling, CRC checking/generation and protected B-fields • Low supply voltage (2.7 to 3.6 V) • Programmable power-down modes • CMOS technology. • Speech and data buffering space for six handsets • Local call and B-field loop-back 1.1 • Two interrupt lines for BML and DSP to interrupt 80C51 • ADPCM encoding and decoding complying with G.721 • On-chip, three-channel time-multiplexed 8-bit Analog-to-Digital Converter (ADC) for RSSI measurement, one for battery voltage measurement and one channel available for other purposes DSP software features • u-law encoding and decoding complying with G.711 • Echo cancellation and network echo suppressor • Speech filters • On-chip 8-bit Digital-to-Analog Converter (DAC) for electronic potentiometer function • Programmable gain in speech paths • Phase error measurement and phase error correction by hardware • Ringer and tone (DTMF) generator • DACs and ADCs for dynamic earpiece and dynamic or electret microphone • Telephone Answering Machine (TAM) switch. • Side tone and soft mute • Automatic gain control • Very low ohmic buzzer output For each DSP software version a separate manual is available in which detailed information is provided on how parameters must be set. For further information please contact Philips Semiconductors. • Serial interface to external ADPCM CODEC (PCD5032) or 8 kHz u-law samples 2 • On-chip reference voltage • On-chip supply for electret microphone • Speech switch for Digital Telephone Answering Machine (DTAM) connected to SPI interface The PCD5092 is designed for GAP-compliant single a/b line basestations with answering machine switch. It has an embedded 80C51 microcontroller with twice the performance of the classic architecture, 64 kbytes of PROM program memory and 3 kbytes of data memory on-chip. In addition there is 1 kbyte of on-chip data memory that is shared with on-chip Burst Mode Logic (BML) and DSP, the System Data RAM (SDR). • IOM-2 interface (Siemens registered trademark) • Serial interface to synthesizer for frequency programming • Programmable polarity and timing of radio-control signals • GMSK pulse shaper 3 GENERAL DESCRIPTION ORDERING INFORMATION TYPE NUMBER PCD5092H 1997 Jul 21 PACKAGE NAME QFP100 DESCRIPTION plastic quad flat package; 100 leads (lead length 1.95 mm); body 14 × 20 × 2.8 mm 3 VERSION SOT317-2 1997 Jul 21 4 CLK100 XTAL1 XTAL2 GP_CLK7 DPLL_DATA T_GMSK R_SLICED SLICE_CTR R_PWR R_ENABLE REF_CLK SYNTH_LOCK S_ENABLE S_CLK S_DATA VCO_BND_SW S_PWR ANT_SW0 ANT_SW1 T_ENABLE T_PWR_RMP T_DATA R_DATAP R_DATAM A16 PSE EA ALE VDDO VSSO EN_WATCHDOG RESET_OUT M_RESET RESET GENERATOR (RGE) WATCHDOG TIMER (WDT) XTAL OSCILLATOR (XOSC) PORT 2 8 PORT 2.0 to PORT 2.7 IB-BUS 4fs POWER-ON-RESET (POR) ANALOG VOLTAGE REFERENCE (AVR) VDDA DIGITAL SIGNAL PROCESSOR (DSP) 4fs VBGP VDD ANALOG VOLTAGE SOURCE (AVS) VADC Vref VANLO DIGITAL DECIMATING FILTER (DDF) DIGITAL NOISE SHAPER (DNS) Fig.1 Block diagram. VDD I2C-BUS PORT 3 8 PORT 3.0 to PORT 3.7 MICROCONTROLLER MICROCONTROLLER-RAM (256 BYTES) DIGITAL CONTROL OF ANALOG (DCA) SYSTEM DATA RAM (SDR) (1 kBYTE) VDD AB-MICROCONTROLLER INTERFACE (ABCIF) AUX-RAM (3 kBYTES) ISB BUS CONTROLLER (IBC) BURST MODE LOGIC (BML) ROM (64 kBYTES) PORT 1 TIMING CONTROL BLOCK (TICB) LEVEL SHIFTER VDD 80CL51- CORE PORT 0 CLOCK GENERATOR (CLG) VDD AGM VDDA VDD_RF VDD 8 PORT 1.0 to PORT 1.7 108fs 108fs 5× VSS VSSA PCD5092 2× VDD3V ARF MUX 3:1 SUBTRACT PEAK-HOLD AUXILIARY ADC (AAD) CODEC ATS Σ∆ 1-BIT ADC ARD BUZZER BUFFER (ABB) AMP SPEECH INTERFACE IOM/ADPCM (SPI) Vref MBH946 3× VDD5V CDC-on ARA VDDA TEST CONTROL BLOCK (TCB) 1-BIT ADC VDDA VDD VDD_RF VBAT RSSI_AN VANLI Vref VMIC MICP MICM LIFP LIFM EARP EARM BZP BZM DO DI FS1 DCK CLK3 TST1 TST2 digital pins analog pins 4 8 PORT 0.0 to PORT 0.7 DECT baseband controller handbook, full pagewidth Philips Semiconductors Objective specification PCD5092 BLOCK DIAGRAM Philips Semiconductors Objective specification DECT baseband controller 81 P2.3 82 P2.4 83 P2.5 84 P2.6 85 P2.7 86 PSE 87 ALE 89 VSS5 88 EA 90 VDD5V_3 91 P0.7 92 P0.6 93 P0.5 94 P0.4 95 P0.3 96 P0.2 97 P0.1 handbook, full pagewidth 98 P0.0 Pinning 99 M_RESET ANT_SW1 1 80 TST2 ANT_SW0 2 79 TST1 CLK100 3 78 VSS4 T_ENABLE 4 77 VDD5V_2 T_PWR_RMP 5 76 A16 T_DATA 6 75 P2.2 T_GMSK 7 74 P2.1 VCO_BND_SW 8 73 P2.0 SYNTH_LOCK 9 72 P3.7 S_ENABLE 10 71 P3.6 S_DATA 11 70 P3.5 S_CLK 12 69 P3.4 S_PWR 13 68 P3.3 REF_CLK 14 67 P3.2 VSS1 15 66 P3.1 65 P3.0 64 VSS3 SLICE_CTR 18 63 VSS2 R_PWR 19 62 BZP R_DATAP 20 61 BZM R_DATAM 21 60 VDD3V_2 R_ENABLE 22 59 P1.7 RSSI_AN 23 58 P1.6 VANLI 24 57 P1.5 VBAT 25 56 P1.4 CLK3 26 55 P1.3 DCK 27 54 VDD5V_1 PCD5092 VDD_RF 16 VDD3V_1 17 Fig.2 Pin configuration (QFP100). 1997 Jul 21 5 P1.2 50 P1.1 49 P1.0 48 EN_WATCHDOG 47 EARP 46 EARM 45 VDDA 44 VBGP 43 Vref 42 VMIC 41 MICP 40 VSSA 38 GP_CLK7 LIFP 37 51 LIFM 36 30 VDDO 35 DPLL_DATA DO VSSO 34 R_SLICED 52 VANLO 33 53 29 XTAL1 32 28 XTAL2 31 DI FS1 MICM 39 5.1 PINNING INFORMATION 100 RESET_OUT 5 PCD5092 MGD799 Philips Semiconductors Objective specification DECT baseband controller 5.2 PCD5092 Pin description Table 1 QFP100 package SYMBOL ANT_SW1 PIN I/O STATE AFTER RESET 1 O H ISP2DRF3 PIN TYPE PIN DESCRIPTION antenna switch 1 output ANT_SW0 2 O H ISP2DRF3 antenna switch 0 output CLK100 3 O H ISP2DPES 100 Hz signal related to DECT frame timing output T_ENABLE 4 O H ISP2DRF3 enable transmitter output T_PWR_RMP 5 O L ISP2DRF3 switch transmitter power output T_DATA 6 O off ISF2DRF3 unmodulated transmitter data output T_GMSK 7 O L ANAIOD1 GMSK modulated transmitter data output VCO_BND_SW 8 O L ISP2DRF3 VCO band switch output SYNTH_LOCK 9 I − DIPP0RF3 synthesizer lock input S_ENABLE 10 O L ISP2DRF3 synthesizer enable output S_DATA 11 O L ISP2DRF3 serial synthesizer data output S_CLK 12 O L ISP2DRF3 clock for serial synthesizer interface output S_PWR 13 O H ISP2DRF3 switch synthesizer power output REF_CLK 14 O running ISP4DRF3 13.824 MHz reference clock for synthesizer output VSS1 15 − − supply negative supply voltage 1 VDD_RF 16 − − supply positive supply voltage for RF interface level shifters VDD3V_1 17 − − supply positive supply voltage 1 (+3 V) SLICE_CTR 18 O L ISP2DRF3 switch slicer time constant output R_PWR 19 O H ISP2DRF3 switch receiver power output R_DATAP 20 I − ANAIOD2 positive input for receiver data R_DATAM 21 I − ANAIOD2 negative input for receiver data R_ENABLE 22 O H ISP2DRF3 enable receiver output RSSI_AN 23 I − ANAIOD1 analog input for RSSI measurement VANLI 24 I − ANAIOD1 analog input to ADC VBAT 25 I − ANAIOD1 analog input for battery voltage measurement CLK3 26 O L ISP2DPES 3.456 MHz clock output for external ADPCM codec DCK 27 I/O input ISF2DPES ISF2UPES ADPCM output or IOM data clock input/output (ISF2UPES in PCD5090/xxx, PCA5097/xxx) DI 28 I − DIPP0PES ADPCM or IOM data input FS1 29 I/O input ISF2DPES ISF2UPES 8 kHz framing input/output (ISF2UPES in PCD5090/xxx, PCA5097/xxx) DO 30 O off ISI8DPES ADPCM or IOM data output XTAL2 31 O running ANAIOD1 crystal oscillator output XTAL1 32 I − ANAIOD1 crystal oscillator input VANLO 33 O 1.0 V ANAIOD1 analog output from D/A converter 1997 Jul 21 6 Philips Semiconductors Objective specification DECT baseband controller PCD5092 PIN I/O STATE AFTER RESET VSSO 34 − − supply negative supply voltage for the oscillator VDDO 35 − − supply positive supply voltage for the oscillator LIFM 36 I 0.7 V ANAIOD1 negative input from line interface LIFP 37 I 0.7 V ANAIOD1 positive input from line interface VSSA 38 − − supply negative supply voltage for analog circuits MICM 39 I 0.7 V ANAIOR1 negative input from microphone MICP 40 I 0.7 V ANAIOR1 positive input from microphone VMIC 41 O off ANAIOD1 positive microphone supply voltage (+2 V) Vref 42 O 2.0 V ANAIOD1 reference voltage (+2 V) VBGP 43 O 1.25 V ANAIOR1 bandgap output voltage (+1.25 V) VDDA 44 − − supply positive supply voltage for analog circuits EARM 45 O 1.4 V ANAIOD1 negative output to earpiece EARP 46 O 1.4 V ANAIOD1 positive output to earpiece EN_WATCHDOG 47 I − DIUP0PES watchdog enable input P1.0 48 I/O H ISQ2CPES bidirectional 80C51 port pin P1.1 49 I/O H ISQ2CPES bidirectional 80C51 port pin P1.2 50 I/O H ISQ2CPES bidirectional 80C51 port pin GP_CLK7 51 O L ISP2DPES general purpose 6.912 MHz output DPLL_DATA 52 O L ISP2DPES data after clock recovery network R_SLICED 53 O L ISP2DPES R_DATA comparator output VDD5V_1 54 − − supply positive supply voltage 1 for the +5 V interface P1.3 55 I/O H ISQ2CPES bidirectional 80C51 port pin P1.4 56 I/O H ISQ2CPES bidirectional 80C51 port pin P1.5 57 I/O H ISQ2CPES bidirectional 80C51 port pin P1.6 58 I/O off ISI8DPES bidirectional 80C51 port pin P1.7 59 I/O off ISI8DPES bidirectional 80C51 port pin VDD3V_2 60 − − supply positive supply voltage 2 (+3 V) BZM 61 O L ANAIOD2 negative buzzer output BZP 62 O L ANAIOD2 positive buzzer output VSS2 63 − − supply negative supply voltage 2 VSS3 64 − − supply negative supply voltage 3 P3.0 65 I/O H ISQ2CPES bidirectional 80C51 port pin P3.1 66 I/O H ISQ2CPES bidirectional 80C51 port pin P3.2 67 I/O H ISQ2CPES bidirectional 80C51 port pin P3.3 68 I/O H ISQ2CPES bidirectional 80C51 port pin P3.4 69 I/O H ISQ2CPES bidirectional 80C51 port pin P3.5 70 I/O H ISQ2CPES bidirectional 80C51 port pin SYMBOL 1997 Jul 21 PIN TYPE 7 PIN DESCRIPTION Philips Semiconductors Objective specification DECT baseband controller PCD5092 PIN I/O STATE AFTER RESET PIN TYPE P3.6 71 I/O H ISQ2CPES bidirectional 80C51 port pin P3.7 72 I/O H ISQ2CPES bidirectional 80C51 port pin P2.0 73 I/O H ISQ2CPES bidirectional 80C51 port pin P2.1 74 I/O H ISQ2CPES bidirectional 80C51 port pin P2.2 75 I/O H ISQ2CPES bidirectional 80C51 port pin A16 76 O L ISP4DPES address bit 16 for 128 kbytes external program memory VDD5V_2 77 − − supply positive supply voltage 2 for the +5 V interface VSS4 78 − − supply negative supply voltage 4 TST1 79 I − DIDP0PES test input 1 TST2 80 I − DIDP0PES test input 2 P2.3 81 I/O H ISQ2CPES bidirectional 80C51 port pin P2.4 82 I/O H ISQ2CPES bidirectional 80C51 port pin P2.5 83 I/O H ISQ2CPES bidirectional 80C51 port pin P2.6 84 I/O H ISQ2CPES bidirectional 80C51 port pin SYMBOL PIN DESCRIPTION P2.7 85 I/O H ISQ2CPES bidirectional 80C51 port pin PSE 86 O H ISQ2CPES program store enable (80C51); active LOW ALE 87 O H ISQ4CPES address latch enable (80C51) EA 88 I − ISF2DPES external access enable (80C51); active LOW VSS5 89 − − supply negative supply voltage 5 VDD5V_3 90 − − supply positive supply voltage 3 for the +5 V interface P0.7 91 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.6 92 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.5 93 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.4 94 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.3 95 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.2 96 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.1 97 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) P0.0 98 I/O off H ISP2DPES ISQ2CPES bidirectional 80C51 port pin (ISQ2CPES in PCD5090/xxx, PCA5097/xxx) M_RESET 99 I − DIDP0PES master reset input (Schmitt trigger) RESET_OUT 100 O H ISF2DPES reset output 1997 Jul 21 8 Philips Semiconductors Objective specification DECT baseband controller 6 PCD5092 FUNCTIONAL DESCRIPTION The PCD509x is a family of single-chip controllers, designed for use in Digital Enhanced Cordless Telecommunications systems (DECT). The family is designed for minimum component-count and minimum power consumption. All controllers include an embedded 80C51 microcontroller with on-chip memory and I2C-bus. The Philips DECT RF interface is implemented. The Burst Mode Logic (BML) performs the time-critical MAC layer functions for applications in DECT handsets and base stations. The ADPCM transcoding is in compliance with the CCITT recommendation G.721 and includes receive and transmit filters. handbook, full pagewidth EARPIECE RADIO CIRCUITS PCD5091 MICROPHONE MGD797 a. Handset. handbook, full pagewidth RADIO CIRCUITS LINE INTERFACE (e.g. TEA1118) PCD5092/ PCD5094 a/b line u-law TAM switch MBH945 b. Basestation (PCD5092) with analog interface and echo cancellation; up to 6 portables can be handled. handbook, full pagewidth EARPIECE RADIO CIRCUITS PCD5093 MICROPHONE 2 2 x IOM or 2 x ADPCM-CODEC or a combination MGD795 c. Base with digital interface and analog handset connected; up to 6 portables can be handled. Fig.3 Block diagrams of DECT systems with PCX509x. 1997 Jul 21 9 Philips Semiconductors Objective specification DECT baseband controller 7 PCD5092 PACKAGE OUTLINE QFP100: plastic quad flat package; 100 leads (lead length 1.95 mm); body 14 x 20 x 2.8 mm SOT317-2 c y X 80 A 51 81 50 ZE Q e E HE A A2 (A 3) A1 θ wM pin 1 index Lp bp L 31 100 detail X 30 1 wM bp e ZD v M A D B HD v M B 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HD HE L Lp Q v w y mm 3.20 0.25 0.05 2.90 2.65 0.25 0.40 0.25 0.25 0.14 20.1 19.9 14.1 13.9 0.65 24.2 23.6 18.2 17.6 1.95 1.0 0.6 1.4 1.2 0.2 0.15 0.1 Z D (1) Z E(1) 0.8 0.4 1.0 0.6 θ Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 92-11-17 95-02-04 SOT317-2 1997 Jul 21 EUROPEAN PROJECTION 10 o 7 0o Philips Semiconductors Objective specification DECT baseband controller 8 8.1 PCD5092 8.3 SOLDERING Wave soldering is not recommended for QFP packages. This is because of the likelihood of solder bridging due to closely-spaced leads and the possibility of incomplete solder penetration in multi-lead devices. Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. If wave soldering cannot be avoided, the following conditions must be observed: • A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “IC Package Databook” (order code 9398 652 90011). 8.2 • The footprint must be at an angle of 45° to the board direction and must incorporate solder thieves downstream and at the side corners. Reflow soldering Even with these conditions do not consider wave soldering the following packages: QFP52 (SOT379-1), QFP100 (SOT317-1), QFP100 (SOT317-2), QFP100 (SOT382-1) or QFP160 (SOT322-1). Reflow soldering techniques are suitable for all QFP packages. The choice of heating method may be influenced by larger plastic QFP packages (44 leads, or more). If infrared or vapour phase heating is used and the large packages are not absolutely dry (less than 0.1% moisture content by weight), vaporization of the small amount of moisture in them can cause cracking of the plastic body. For more information, refer to the Drypack chapter in our “Quality Reference Handbook” (order code 9397 750 00192). During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Maximum permissible solder temperature is 260 °C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 °C within 6 seconds. Typical dwell time is 4 seconds at 250 °C. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 °C. 8.4 Repairing soldered joints Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 °C. 1997 Jul 21 Wave soldering 11 Philips Semiconductors Objective specification DECT baseband controller 9 PCD5092 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Short-form specification The data in this specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. 10 LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 11 PURCHASE OF PHILIPS I2C COMPONENTS Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the components in the I2C system provided the system conforms to the I2C specification defined by Philips. This specification can be ordered using the code 9398 393 40011. 1997 Jul 21 12 Philips Semiconductors Objective specification DECT baseband controller PCD5092 NOTES 1997 Jul 21 13 Philips Semiconductors Objective specification DECT baseband controller PCD5092 NOTES 1997 Jul 21 14 Philips Semiconductors Objective specification DECT baseband controller PCD5092 NOTES 1997 Jul 21 15 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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No. 5, 80640 GÜLTEPE/ISTANBUL, Tel. +90 212 279 2770, Fax. +90 212 282 6707 Ukraine: PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7, 252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461 United Kingdom: Philips Semiconductors Ltd., 276 Bath Road, Hayes, MIDDLESEX UB3 5BX, Tel. +44 181 730 5000, Fax. +44 181 754 8421 United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. +1 800 234 7381 Uruguay: see South America Vietnam: see Singapore Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. +381 11 625 344, Fax.+381 11 635 777 For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 Internet: http://www.semiconductors.philips.com © Philips Electronics N.V. 1997 SCA55 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 437027/00/02/pp16 Date of release: 1997 Jul 21 Document order number: 9397 750 01657