M65849CFP Datasheet, PDF (1/23 Pages) Renesas Technology Corp – SINGLE CHIP SURROUND PROCESSOR

M65849CFP
SINGLE CHIP SURROUND PROCESSOR
Description
The M65849CFP is a CMOS IC built-in Digital circuit andmixing amplifiers.
It is suitable for adding effects to Mini Stereo, CD-Radio Cassetteand TV.
This IC can be used Dolby Surround.
Features
• Built- in digital delay,mixing amplifiers,input output selector
• achieve a surround system with a single chip.
• Delay volume,feedback volume Built-in
• ADM digital delay,16kbit SRAM Built-in
• Selection of 8 steps delay time in a range between 9.2msec and 196.6msec
• Built- in automatic reset circuit activated with power on
• 5V single power supply
RECOMMENDED OPERATING CONDITION
• Supply voltage range ……….Vcc=4.5 to 5.5V
SYSTEM CONFIGURATION
M65849CFP
Lch IN
MIC IN
Rch IN
Digital Surround
+
Mixing
i(L+R)
Volume
i(L-R)
DIGITAL
+
DELAY
Input
Selector
Feed Back Volume
-1
MIC OUT
SW
Output Selector
+
REJ03F0020-0100Z
Rev.1.00
Sep.04.2003
Lch OUT
Rch OUT
Rev.1.00, Sep.04.2003, page 1 of 22