C-Media CM6533 - Release Notes

CM6533,CM6533N,CM6533X1,CM6533DH
USB Audio Chip
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Rev.1.7 Copyright© C-Media Electronics Inc.
Release Notes
Revision
Date
Description
1.0
2014/07/08
First release.
1.1
2014/08/05
Modify F/W volume setting table(CH2.6).
1.2
2014/09/18
1. Modify Pin descriptions.
2. Modify Pin out diagram.
1.3
2014/09/19
1. Modify MIC_SWOUT to AO pin.
2. Modify power consumption for 12MHz MCU Clock.
3. Modify Reset diagram of CH6.13.
4. Separate CM6533/CM6533X1/CM6533DH Pin out diagram.
5. Modify flash description: 256K Byte flash(Including 32KB F/W programming
size).
1.4
2015/3/30
1. Remove Microphone input impedance chart.
2. Add Xear and Dolby software function descriptions.(CH7,CH8)
3. Modify Operating ambient temperature to -15~70
o
C.
4. Modify CH5.1 CH5.2 USB Topology chart.
5. Modify Block Diagram (Page1).
6. Add Cap-less cross talk performance.
7. Add CM6533N QFN Package.
1.5
2015/08/07
1. Modify CH6.7 Digital microphone descriptions.
1.6
2015/10/29
1. Modify I2C Using Example.
2. Modify SPI Using Example.
3. Modify TEST pin description.
1.7
2018/08/27
1. Modify UART TX/RX pin description
2. Correct I2C timing diagram.