M65845AFP 查看數據表（PDF） - Renesas Electronics
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M65845AFP Datasheet PDF : 14 Pages
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M65845AFP
Pin Description
Pin
No.
Symbol
Pin Name
1 MIC1IN
MIC1 input
2 ALC1
ALC1 control
3 MIC1NFIN
MIC1 NF input
4 MIC1OUT
MIC1 output
5 MIC1VOLIN
MIC1 volume input
6 MIC2IN
MIC2 input
7 ALC2
ALC2 control
8 MIC2NFIN
MIC2 NF input
9 MIC2OUT
MIC2 output
10 MIC2VOLIN
MIC2 volume input
11 MICOUT
MIC output
12 LPF1 IN
Low pass filter 1 input
13 LPF1 OUT
Low pass filter 1 output
14 ADINTIN
A/D integral input
15 ADINTOUT
A/D integral output
16 ADCONT
A/D control
17 REF
Reference
18 GND
GND
19 VCC
Power supply
20 DACONT
D/A control
21 DAINTIN
D/A integral input
22 DAINTOUT
D/A integral output
23 LPF2 IN
Low pass filter 2 input
24 LPF2 OUT
Low pass filter 2 output
25 ECHOVOLIN Echo volume input
26 RLINEIN
Rch line input
27 LLINEIN
Lch line input
28 RLINEOUT
Rch line output
29 LLINEOUT
Lch line output
30 MICECHOOUT MIC echo output
31 MICSW
MIC SW
32 CLOCK CONT Clock control
33 AUDSW1
Audio SW1
34 AUDSW2
Audio SW2
35 VALC
ALC supply voltage
control
36 VCFIL
Vocal cut filter
Function
Connect MIC1
Connect C which determine recovery time
Set up MIC1 amp gain for feedback circuit
Connect microphone volume which turn down input signal
Connect MIC2
Connect C which determine ALC attack, recovery time
Forms MIC2 amp gain with feedback
Connect microphone volume which turn down input signal
Mixing output with MIC1 and MIC2
Forms the front low pass filter with external CR for digital echo
Forms integrator with external C and R
ADM A/D adaptive control
1/2 VCC, connect filter C
ADM A/D adaptive control
Forms integrator with external C
Forms post low pass filter with external CR for digital echo
Connect microphone volume which turn down input signal
Mixing output with line and microphone
Mixing output with microphone and echo
L: Microphone OFF, H: Microphone ON
Controls built-in clock generation circuit with external R
Changing source sound signal
Form ALC operation voltage with control voltage
Through frequency under vocal level
REJ03F0170-0201 Rev.2.01 Jan 25, 2008
Page 4 of 13
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