CS495313-CQZ Cirrus Logic Inc, CS495313-CQZ Datasheet - Page 9

• Manufacturer Part Number: CS495313-CQZ
• Description: Audio DSPs 32-Bit Decoder DSP w/Dual DSP Engine
• Manufacturer: Cirrus Logic Inc

Specifications of CS495313-CQZ

• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-144
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.3 DSP I/O Description
4.3.1 Multiplexed Pins
4.3.2 Termination Requirements
4.3.3 Pads
4.4 Application Code Security
DS705PP2
Hardware User’s Manual.
Hardware User’s Manual to identify which pins are open-drain and what value of pull-up resistor is required for
proper operation.
explanation of termination requirements for each communication mode select pin can be found in the
CS4953xx Hardware User’s Manual.
contain. A secret, customer-specific key is used to encrypt the program code that is to be stored external to the
device.
Many of the CS4953xx pins are multi-functional. For details on pin functionality please refer to the CS4953xx
Open-drain pins on the CS4953xx must be pulled high for proper operation. Please refer to the CS4953xx
Mode select pins on the CS4953xx are used to select the boot mode upon the rising edge of reset. A detailed
The CS4953xx I/O operates from the 3.3 V supply and is 5V tolerant.
The external program code may be encrypted by the programmer to protect any intellectual property it may
®Copyright 2008 Cirrus Logic, Inc.
32-bit Audio Decoder DSP Family
CS4953xx Data Sheet
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