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PDF ISD2548 Data sheet ( Hoja de datos )
| Número de pieza | ISD2548 | |
| Descripción | SINGLE-CHIP/ MULTIPLE-MESSAGES/ VOICE RECORD/PLAYBACK DEVICE 32-/ 40-/ 48-/ AND 64-SECOND DURATION | |
| Fabricantes | Winbond | |
| Logotipo |  |
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ISD2532/40/48/64
SINGLE-CHIP, MULTIPLE-MESSAGES,
VOICE RECORD/PLAYBACK DEVICE
32-, 40-, 48-, AND 64-SECOND DURATION
Publication Release Date: June 2003
- 1 - Revision 1.0
1 page  
5. PIN CONFIGURATION
ISD2532/40/48/64
A0/M 0
A1/M 1
A2/M 2
A3/M 3
A4/M 4
A5/M 5
A6/M 6
NC
A7
A8
AUX IN
VSSD
VSSA
SP +
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ISD2532
ISD2540
ISD2548
ISD2564
SOIC/PDIP
28 VCCD
27 P/R
26 XCLK
25 EOM
24 PD
23 CE
22 OVF
21 ANA OUT
20 ANA IN
19 AGC
18 MIC REF
17 MIC
16 VCCA
15 SP-
OVF
CE
PD
EOM
XCLK
P/R
VCCD
A0/M 0
A1/M 1
A2/M 2
A3/M 3
A4M4
A5/M 5
A6/M 6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ISD2532
ISD2340
ISD2548
ISD2564
TSOP
28 ANA OUT
27 ANA IN
26 AGC
25 MIC REF
24 MIC
23 VCCA
22 SP-
21 SP+
20 VSSA
19 VSSD
18 AUX IN
17 A8
16 A7
15 NC
Publication Release Date: June 2003
- 5 - Revision 1.0
5 Page 
ISD2532/40/48/64
Programming
The ISD2500 series is also ideal for playback-only applications, where single or multiple messages
are referenced through buttons, switches, or a microcontroller. Once the desired message
configuration is created, duplicates can easily be generated via a gang programmer.
7.2. OPERATIONAL MODES
The ISD2500 series is designed with several built-in Operational Modes that provide maximum
functionality with minimum external components. These modes are described in details as below. The
Operational Modes are accessed via the address pins and mapped beyond the normal message
address range. When the two Most Significant Bits (MSB), A7 and A8, are HIGH, the remaining
address signals are interpreted as mode bits and not as address bits. Therefore, Operational Modes
and direct addressing are not compatible and cannot be used simultaneously.
There are two important considerations for using Operational Modes. First, all operations begin initially
at address 0 of its memory. Later operations can begin at other address locations, depending on the
Operational Mode(s) chosen. In addition, the address pointer is reset to 0 when the device is changed
from record to playback, playback to record (except M6 mode), or when a Power-Down cycle is
executed.
Second, Operational Modes are executed when CE goes LOW. This Operational Mode remains in
effect until the next LOW-going CE signal, at which point the current mode(s) are sampled and
executed.
Mode [1]
M0
M1
M2
M3
M4
M5
M6
Function
Message cueing
TABLE 2: OPERATIONAL MODES
Typical Use
Fast-forward through messages
Delete EOM markers
Not applicable
Looping
Consecutive
addressing
CE level-activated
Push-button control
Position EOM marker at the end of
the last message
Reserved
Continuous playback from Address 0
Record/playback multiple
consecutive messages
Allows message pausing
Simplified device interface
Jointly Compatible [2]
M4, M5, M6
M3, M4, M5, M6
N/A
M1, M5, M6
M0, M1, M5
M0, M1, M3, M4
M0, M1, M3
[1] Besides mode pin needed to be “1”, A7 and A8 pin are also required to be “1” in order to enter into the related operational
mode.
[2] Indicates additional Operational Modes which can be used simultaneously with the given mode.
- 11 -
Publication Release Date: June 2003
Revision 1.0
11 Page | ||
| Páginas | Total 42 Páginas | |
| PDF Descargar | [ Datasheet ISD2548.PDF ] | |
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