SAA7740H - NXP

SAA7740H Digital Audio Processing-IC

plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 × 20 × 2.8 mm VERSION SOT319-2 1997 May 30 2 Philips Semiconductors Product specification Digital Audio Processing IC (DAPIC) BLOCK DIAGRAM SAA7740H handbook, full pagewidth VDDX 60 VSSX 61 CLKO 63 TSTCLK 45 TST1 47 TST2 48 TST3 49 9, 13, 25, 40, 46, 50, 55 CLK1/XTAL1 XTAL2 56 5.

Features

Hardware
• Two digital inputs and two digital outputs in the I2S-bus format (i.e. 4 audio channels)
• Independent input/output interfaces
• Slave input/output interfaces
• Slave processing
• I2C-bus microcontroller interface
• DC filtering at the inputs
• One programmable 2nd-order digital filter unit
• Two multiply accumulate processor units (24 × 16-bit/MAC)
• DRAM interface and address computation unit for external delay lines
• On-chip coefficient and external delay line address storage
• Hardware controlled soft mute via the MUTE pin
• Hardware controlled soft demute via the RST pin
• Ope.