Philips SAA7345 manuale d’uso

DA T A SH EET Product specification Supersedes data of 1996 Jan 09 File under Integrated Circuits, IC01 1998 Feb 16 INTEGRA TED CIRCUITS SAA7345 CMOS digital decoding IC with RAM for Compact Disc[...]

1998 Feb 16 2 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 FEA TURES • Integrated data slicer and clock regenerator • Digital Phase-Locked Loop (PLL) • Demodulator and Eight-to-Fourteen Modulation (EFM) decoding • Subcoding microcontroller serial interface • Integrated programmab[...]

1998 Feb 16 3 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 BLOCK DIAGRAM Fig.1 Block diagram. MGA371 - 2 CFLG RAB CL DA CLA PORE KILL V3 V4 V5 MOTO2 CL11 IREF DOBM V1 V2 TEST2 TEST1 ISLICE HFIN HFREF V DDA SAA7345 MOTO1 CRIN V DD1 V SS1 CL16 MISC DATA SCLK WCLK V SSA V DD2 V SS2 CROUT DIGI[...]

1998 Feb 16 4 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 PINNING Note 1. All supply pins must be connected to the same external power supply. SYMBOL PIN DESCRIPTION CL1 1 1 1 1.2896 or 5.6448 MHz clock output (3-state); (divide-by-3) DOBM 2 bi-phase mark output (externally buffered; 3-st[...]

1998 Feb 16 5 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Fig.2 Pin configuration. MGA359 - 1 1 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 CFLG RAB CL DA CLA PORE KILL V3 V4 V5 MOTO2 CL11 IREF DOBM V1 V2 TEST2 T[...]

1998 Feb 16 6 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 FUNCTIONAL DESCRIPTION Demodulator F RAME SYNC PROTECTION This circuit will detect the frame synchronization signals. Two synchronization counters are used in the SAA7345: 1. The coincidence counter which is used to detect the coin[...]

1998 Feb 16 7 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 O THER SUBCODE CHANNELS Data of the other subcode channels (Q-to-W) may be read via the V4 pin if the versatile pins interface register (address 1101) is set to XX01. The format is similar to RS232. The subcode sync word is formed [...]

1998 Feb 16 8 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 W RITING DA T A TO SAA7345; REPEA T MODE The same command can be repeated several times (e.g. for fade function) by applying extra RAB pulses as shown in Fig.6. R EADING ST A TUS INFORMA TION FROM SAA7345 There are several internal[...]

1998 Feb 16 9 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 R EADING Q- CHANNEL SUBCODE FROM SAA7345 To read Q-channel subcode from SAA7345, the SUBQREADY-I signal should be selected as status signal. The subcode read timing is shown in Fig.8. Read subcode operation sequence • Monitor SUB[...]

1998 Feb 16 10 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 B EHA VIOUR OF THE SUBQREADY -I SIGNAL When the CRC of the Q-channel word is good, and no subcode is being read, the SUBQREADY-I signal will react as shown in Fig.9. When the CRC is good and subcode is being read, the timing in Fi[...]

1998 Feb 16 11 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 T able 2 Command registers. The ‘INITIAL ’ column shows the power-on reset state REGISTER ADDRESS DA T A FUNCTION INITIAL Fade and Attenuation 0 0 0 0 X 0 0 0 Mute Reset X 0 1 X Attenuate X 0 0 1 Full Scale X 1 0 0 Step Down X[...]

1998 Feb 16 12 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 DAC output 0 0 1 1 1 0 1 0 I 2 S CD-ROM mode 1 0 1 1 EIAJ; CD-ROM mode 110 X I 2 S; 4f s mode Reset 1111 I 2 S; 2f s mode 1110 I 2 S; f s mode 0 0 0 X EIAJ; 16-bit; 4f s 0 0 1 1 EIAJ; 16-bit; 2f s 0 0 1 0 EIAJ; 16-bit; f s 0 1 0 X[...]

1998 Feb 16 13 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Loop BW (Hz) Internal BW (Hz) Low-pass BW (Hz) PLL loop filter bandwidth 1 0 0 0 0 0 0 0 1 640 525 8 400 0 0 0 1 3 279 263 16 800 0 0 1 0 6 560 131 33 600 0 1 0 0 1 640 1 050 8 400 0 1 0 1 3 279 525 16 800 0 1 1 0 6 560 263 33 60[...]

1998 Feb 16 14 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Note 1. Standby modes = CL, DA and RAB; normal operation. a) MISC, SCLK, WCLK, DATA, CL11 and DOBM; 3-state. b) CRIN, CROUT, CL16 and CLA; normal operation. c) V1, V2, V3, V4 and V5; normal operation. d) MOTO1 and MOTO2 - in stand[...]

1998 Feb 16 15 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 T able 3 Digital filter passband characteristics T able 4 Digital filter stopband characteristics. C ONCEALMENT A 1-sample linear interpolator becomes active if a single sample is flagged as erroneous but cannot be corrected. Th[...]

1998 Feb 16 16 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Fig.13 Concealment mechanism. Interpolation Hold Interpolation MGA372 OK Error OK Error Error Error OK OK M UTE ,A TTENUA TION AND F ADE A digital level controller is present on the SAA7345 which performs the functions of soft mut[...]

1998 Feb 16 17 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 T able 5 DAC interface formats Note 1. n = disc speed. 2. EIAJ is the abbreviation for: Electronic Industries Associated of Japan. MODE DAC CONTROL REGISTER DA T A SAMPLE FREQUENCY BITS SCLK (MHz) FORMA T INTERPOLA TION 1 1010 f s[...]

1998 Feb 16 18 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when browsing through th[...]

1998 Feb 16 19 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 EBU interface The biphase-mark digital output signal at pin DOBM is in accordance with the format defined by the “IEC 958 ” specification. Three different modes can be selected via the EBU output control register (address 1010[...]

1998 Feb 16 20 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 C HANNEL ST A TUS The channel status bit is the same for left and right words. Therefore a block of 384 words contains 192 channel status bits. The category code is always CD. The bit assignment is shown in Table 8. T able 8 EBU c[...]

1998 Feb 16 21 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 PWM MODE ,2 - LINE In the PWM mode the motor acceleration signal is put in pulse-width modulation form on the MOTO1 output and the motor braking signal is pulse-width modulated on the MOTO2 output. Figure 17 shows the timing and F[...]

1998 Feb 16 22 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 PWM MODE ,4 - LINE Using two extra outputs from the Versatile Pins Interface, it is possible to use the SAA7345 with a 4-input motor bridge. Figure 19 shows the timing and Fig.20 a typical application diagram. CDV MODE In the CDV [...]

1998 Feb 16 23 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 O PERA TION MODES The motor servo has the operation modes as shown in Table 9 and is controlled by the motor mode register (address 0001). T able 9 Operation modes. MODE DESCRIPTION Start mode 1 Disc is accelerated by applying a p[...]

1998 Feb 16 24 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 V ersatile pins interface The SAA7345 has five pins that can be reconfigured for different applications as shown in Table 10. T able 10 V ersatile pins SYMBOL PIN TYPE CONTROL REGISTER ADDRESS CONTROL REGISTER D ATA FUNCTION V1 3 [...]

1998 Feb 16 25 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Flags Output (CFLG) (open drain output) A 1-bit flag signal is available at the CFLG pin. This signal shows the status of the error corrector and interpolator and is updated every frame (7.35 kHz). T able 1 1 Meaning of flag bits[...]

1998 Feb 16 26 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 LIMITING V ALUES In accordance with the Absolute Maximum Rating System (IEC 134). Notes 1. All V DD and V SS connections must be made externally to the same power supply. 2. Equivalent to discharging a 100 pF capacitor via a 1.5 k[...]

1998 Feb 16 27 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Digital inputs PORE, V1 and V2 V thr switching threshold voltage rising −− 0.8V DD V V thf switching threshold voltage falling 0.2V DD −− V V hys hysteresis voltage − 0.33V DD − V R PU input pull-up resistance V I =0V [...]

1998 Feb 16 28 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 3-state outputs MISC, SCLK, WCLK, DA T A and CL1 1 V OL LOW level output voltage I OL = 1 mA 0 − 0.4 V V OH HIGH level output voltage I OH = − 1m A V DD − 0.4 − V DD V C L load capacitance −− 50 pF t r output rise time[...]

1998 Feb 16 29 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 I 2 S timing C LOCK OUTPUT SCLK (see Fig.23) t cy output clock period sample rate = f s − 472.4 − ns sample rate = 2f s − 236.2 − ns sample rate = 4f s − 1 18.1 − ns t H clock HIGH time sample rate = f s 166 −− ns [...]

1998 Feb 16 30 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Notes 1. Timing reference voltage levels are 0.8 V and V DD − 0.8 V. 2. Negative set-up time means that data may change after clock transition. Microcontroller interface timing (see Figs 24 and 25) I NPUTS CL AND RAB t L input L[...]

1998 Feb 16 31 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 Fig.24 Microcontroller timing; READ mode. DA (SAA7345) CL RAB t r DD V – 0.8 V 0.8 V t r t f t f DD V – 0.8 V 0.8 V DD V – 0.8 V 0.8 V t pd t L t H t dRD t dRZ high impedance MGA377 - 1 Fig.25 Microcontroller timing; WRITE m[...]

1998 Feb 16 32 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 APPLICA TION INFORMA TION Fig.26 Application circuits for crystal oscillator. 3.3 µ H 100 k Ω 1 nF 10 pF 10 pF CRIN CROUT 33.8688 MHz (3rd overtone) CRYSTAL 2.2 k Ω 2.2 k Ω 2.2 k Ω 100 k Ω 16.9344 MHz CRYSTAL 100 k Ω [...]

1998 Feb 16 33 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 (1) Diagram is for a 5 V application. For 3.4 V applications an additional resistor of 150 k Ω should be added between IREF (pin 10) and ground. (2) For crystal oscillator circuit see Fig.26. MGA375 - 1 1 2 3 4 5 6 7 8 9 10 11 3[...]

1998 Feb 16 34 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 P ACKAGE OUTLINE UNIT A 1 A 2 A 3 b p cE (1) eH E LL p Z y w v θ REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 0.25 0.05 2.3 2.1 0.25 0.50 0.35 0.25 0.14 14.1 13.9 1 19.2 18.2 2.4 1.8 7 0 o o 0.15 2.[...]

1998 Feb 16 35 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 SOLDERING 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 solder[...]

1998 Feb 16 36 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 DEFINITIONS LIFE SUPPORT APPLICA TIONS 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 cu[...]

1998 Feb 16 37 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 NOTES[...]

1998 Feb 16 38 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 NOTES[...]

1998 Feb 16 39 Philips Semiconductors Product specification CMOS digital decoding IC with RAM for Compact Disc SAA7345 NOTES[...]

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