LA74303FN 查看數據表（PDF） - SANYO -> Panasonic
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LA74303FN Datasheet PDF : 18 Pages
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LA74303FN
3REC → PB (SPK) Switching
CS
4PB (SPK) → REC Switching
CLOCK
=Don’t care
=CLOCK
DATA sending timing
Optional
T0 T1
After 20ms or more
(Capacitance between pins
1&2: 0.1μF)
T2
T3
After 20ms or more
(Capacitance between pins
20&21: 0.1μF)
T4
Recommended serial control settings
0
1
2
34
5
6
7
8
9 10 11 12 13 14 15
LPF CHRG MIC ALC LPF MODESW REC LINE LINE SPK EVR1 EVR2 EVR4 EVR8 EVR16
Timing
T0
T1
T2
T3
Communication content DMY C SW P SW P SW P SW
* 0:11kHz 0:ON 0:ON 0:ON
*
Speaker AMP: OFF
0
PBMODE: switching EVR: setting 0
Speaker AMP: ON
0
RECMODE: switching EVR: MUTE
0
Speaker AMP: OFF
1:4kHz 1:OFF 1:OFF 1:OFF
0/1
1
0
0
0/1
1
1
1
0/1
1
1
1
0/1
1
0
0
(1, *): REC
(0, 0):
PB Analog
(0, 1):
PB Digital
1 0/1
0 0/1
0 0/1
1 0/1
P SW P SW MUTE P SW DATA DATA DATA DATA DATA
0:ON 0:ON 0:ON 0:ON 0:OFF 0:OFF 0:OFF 0:OFF 0:OFF
1:OFF 1:OFF 1:OFF 1:OFF 1:ON 1:ON 1:ON 1:ON 1:ON
0
1
0
1
0
0
0
0
0
1
1
0
1
a
a
a
a
a
1
1
0
0
a
a
a
a
a
0
1
0
1
0
0
0
0
0
T4 Speaker AMP: ON
0
0/1
1
0
0
1 0/1 0
1
0
0
0
0
0
0
0
Note) a=EVR in user setting.
5REC → PB (LINE) Switching
6PB(LINE) → REC Switching
CS
CLOCK
=Don’t care
=CLOCK
DATA sending timing
After 5ms or more
T0
T1
T2
Recommended serial control settings
0
1
2
34
5
6
7
8
9 10 11 12 13 14 15
LPF CHRG MIC ALC LPF MODESW REC LINE LINE SPK EVR1 EVR2 EVR4 EVR8 EVR16
Timing
Communication content
DMY C SW P SW P SW P SW
* 0:11kHz 0:ON 0:ON 0:ON
* 1:4kHz 1:OFF 1:OFF 1:OFF
(1, *): REC
(0, 0):
PB Analog
(0, 1):
PB Digital
P SW P SW MUTE P SW DATA DATA DATA DATA DATA
0:ON 0:ON 0:ON 0:ON 0:OFF 0:OFF 0:OFF 0:OFF 0:OFF
1:OFF 1:OFF 1:OFF 1:OFF 1:ON 1:ON 1:ON 1:ON 1:ON
T0 PBMODE: switching
0
0/1
1
1
1
0 0/1 1
1
0
1
0
0
0
0
0
T1 Line AMP: ON Line MUTE: OFF 0
0/1
1
1
1
0 0/1 1
0
1
1
0
0
0
0
0
RECMODE: switching
T2 Line AMP: ON Line MUTE: OFF 0
0/1
1
0
0
1 0/1 0
1
0
1
0
0
0
0
0
No.A1181-15/18
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