isd4003 Winbond Electronics Corp America, isd4003 Datasheet - Page 16

• Manufacturer Part Number: isd4003
• Description: Single-chip, Multiple-messages Voice Record/playback Devices 4-, 5-, 6-, And 8-minute Duration
• Manufacturer: Winbond Electronics Corp America

The SPI control register provides control of individual function such as play, record, message cueing,
power-up, power-down, start, stop and ignore address pointer operations.
[ ] 1
consecutive playback or record, IAB should be changed to a 1 before the end of that row (see RAC timing).
Otherwise the ISD4003 will repeat the operation from the same row address. For memory management, the Row
Address Clock (RAC) signal and IAB can be used to move around the memory segments.
When IAB (Ignore Address Bit) is set to 0, a playback or record operation starts from address (A0-A10). For
C0
C1
C2
C3
C4
Address Bits
Control Bit
7.2.3. SPI Control and Output Registers
MC
IAB
PU
P/
RUN
A0-A10
Control Register
OVF
EOM
P0-P10
Output Bits
R
[ ] 1
TABLE 3: SPI CONTROL REGISTERS
TABLE 4: SPI OUTPUT REGISTERS
Overflow
End-of-Message
Output of the row pointer register
=
=
=
=
=
=
=
=
=
=
Bit
1
0
1
0
1
0
1
0
1
0
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Message Cueing function
Enable Message Cueing
Disable Message Cueing
Ignore Address bit
Ignore input address register (A0-A10)
Use the input address register (A0-A10)
Power Up
Power-Up
Power-Down
Playback or Record
Play
Record
Enable or Disable an operation
Start
Stop
Input address register
Description
Device Function
ISD4003 SERIES