isd1900 Winbond Electronics Corp America, isd1900 Datasheet - Page 14

• Manufacturer Part Number: isd1900
• Description: Single-chip, Multiple-message Voice Record/playback Device 10.6- To 32-seconds Duration
• Manufacturer: Winbond Electronics Corp America

Example of four Fixed-Message Configuration:
Fig. 8: Record Operation under FMC mode
Norm/Mode
M1 ~ M4
or AnaIn
Mic+/-
[2]
[3]
FM3
FM2
FM1
R / P
LED
: Number of memory row arrangement with respect to different number of fixed messages
: The durations for various fixed message configurations on I1916 device at 8 kHz
for ISD1916 (128 Rows). The non-configured Message control pins (Mx) will be disabled.
sampling frequency are shown in below table.
# of Msg
# of Msg
Start
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
0
1
1
1
1
T
T
FSet
Deb
16
8
5.5
4.0
3.25
2.875
2.50
2.0
128
M1
M1
64
44
32
26
23
20
16
T
Deb
1
0
0
1
1
8
5.25
4.0
3.25
2.625
2.25
2.0
M2
M2
64
42
32
26
21
18
16
Stop
T
Settle1
5.25
4.0
3.25
2.625
2.25
2.0
T
M3
M3
Deb
42
32
26
21
18
16
- 14 -
1
0
1
0
1
Start
4.0
3.25
2.625
2.25
2.0
M4
M4
32
26
21
18
16
Publication Release Date: September 11, 2007
3.0
2.625
2.25
2.0
M5
M5
24
21
18
16
End of Duration
4
5
6
7
8
2.625
2.25
2.0
M6
M6
21
18
16
2.25
2.0
M7
M7
18
16
T
ISD1916
Stop1
2.0
M8
M8
16
Revision 0