M65849CFP Datasheet, PDF (8/23 Pages) Renesas Technology Corp – SINGLE CHIP SURROUND PROCESSOR

M65849CFP
Construction of Diagram
Lch
in
32
34
MIC
in
non- polar
non- polar
30
35 25
24
(ECHOMIX)
INPUT
SEL
I(L+R)
+
I(MIC)
MIX
VOL
I(L- R)
FB
VOL
DELAY
-1
Lch
out
+
29
OUTPUT
SEL
O(NORMAL)_{MIC OUT}
SW
O(L+R)
MIC
out
26
O(L- R)
31
+
Rch
in
10
12
non- polar
M65849CFP
• DELAY TIME
There are 8 kinds of Delay Time which are from 9.2ms to 196.6ms.
• FEEDBACK VOLUME
There are 8 kinds of ATT. level which are from –3dB to –15dB,-∞dB.
• MIX VOLUME
There are 8 kinds of ATT. level which are from +3dB to –15dB,-∞dB.
• INPUTSELECTOR
This is the input selector which selects I(CLOCKOFF),I(L+R),I(L- R)or I(MIC).
• OUTPUTSELECTOR
This is the output selector which selects O(NORMAL),O(L+R),O(L- R)or O(ECHOMIX).
• MIC SWITCH
This is the ON/OFF switch for the Microphone signal.
28
Rch
out
Rev.1.00, Sep.04.2003, page 8 of 22