LA74303FN Datasheet, PDF (4/18 Pages) Sanyo Semicon Device – Monolithic Linear IC Audio Interface for DSC

LA74303FN
Description of the Content of Serial Communication
DATA No.
Parameter
0
DUMMY
1
LPF Cut-off frequency SW
0:11kHz, 1:4kHz
2
VREF capacitor charging circuit control SW
0:ON, 1:OFF
3
MIC AMP POWER SW
0:ON, 1:OFF
4
ALC AMP POWER SW
0:ON, 1:OFF
5
LPF1 MODE SW
0:PB MODE1, 1:REC MODE
6
LPF1/LPF2 selection SW
0:LPF1, 1:LPF2
7
REC BLOCK POWER SW
0:ON, 1:OFF
8
LINE OUT POWER SW
0:ON, 1:OFF
9
LINE MUTE SW
0:ON, 1:OFF
10
SPK POWER SW
0:ON, 1:OFF
11
DATA=1
1 1 1 1 1: VOL MAX
12
DATA=2
to
13
DATA=4
0 0 0 0 0: VOL MIN (MUTE)
14
DATA=8
* EVR setting (the numeral shown in the left is decimal.
15
DATA=16
For characteristics, see P18.)
Serial Transmission Timing
CS
tCS
CLOCK
DATA
LSB
fMAX
tDS tDH
tWH tWL
tCH tWC
MSB
• fMAX
• tWL
• tWH
• tCS
• tCH
• tDS
• tDH
• tWC
• VIH
• VIL
(Max clock frequency)
(Clock pulse width: Low)
(Clock pulse width: High)
(Chip enable setup time)
(Chip enable hold time)
(Data setup time)
(Data hold time)
(Chip enable pulse width)
(High voltage lower limit)
(Low voltage upper limit)
1.5MHz
333ns or more
333ns or more
333ns or more
333ns or more
333ns or more
333ns or more
333ns or more
2.3V to 3.5V
0V to 0.7V
Default
0
1
0
0
0
0
0
0
1
0
1
0
0
0
0
0
VIH
VIL
VIH
VIL
VIH
VIL
No.A1181-4/18