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6 page 
1999 Jun 17 6 Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SAA7327 6 PINNING SYMBOL PIN DESCRIPTION HFREF 1 comparator common mode input HFIN 2 comparator signal input ISLICE 3 current feedback output from data slicer VSSA1 4(1) analog ground 1 VDDA1 5(1) analog supply voltage 1 Iref 6 reference current output VRIN 7 reference voltage for servo ADCs D1 8 unipolar current input 1 (central diode signal input) D2 9 unipolar current input 2 (central diode signal input) D3 10 unipolar current input 3 (central diode signal input) D4 11 unipolar current input 4 (central diode signal input) R1 12 unipolar current input 1 (satellite diode signal input) R2 13 unipolar current input 2 (satellite diode signal input) VSSA2 14(1) analog ground 2 CROUT 15 crystal/resonator output CRIN 16 crystal/resonator input VDDA2 17(1) analog supply voltage 2 LN 18 DAC left channel differential negative output LP 19 DAC left channel differential positive output Vneg 20 DAC negative reference input Vpos 21 DAC positive reference input RN 22 DAC right channel differential negative output RP 23 DAC right channel differential positive output SELPLL 24 selects whether internal clock multiplier PLL is used TEST1 25 test control input 1 (this pin should be tied LOW) CL16 26 16.9344 MHz system clock output DATA 27 serial d4(1) data output (3-state) WCLK 28 word clock output (3-state) SCLK 29 serial bit clock output (3-state) EF 30 C2 error flag output (3-state) TEST2 31 test control input 2 (this pin should be tied LOW) KILL 32 kill output (programmable; open-drain) VSSD1 33(1) digital ground 1 V2/V3 34 versatile I/O: versatile input 2 or versatile output 3 (open-drain) WCLI 35 word clock input (for data loopback to DAC) SDI 36 serial data input (for data loopback to DAC) SCLI 37 serial bit clock input (for data loopback to DAC) RESET 38 Power-on reset input (active LOW) SDA 39 microcontroller interface data I/O line (I2C-bus; open-drain output) SCL 40 microcontroller interface clock line input (I2C-bus) |
