isd4003 Winbond Electronics Corp America, isd4003 Datasheet - Page 15

• 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 following diagram describes the SPI port and the control bits associated with it.
MOSI
MISO
7.2.2. SPI Diagrams
MISO
MOSI
(Loaded to Row Counter
only if IAB = 0)
FIGURE 3: SPI INTERFACE SIMPLIFIED BLOCK DIAGRAM
OVF EOM
LSB
A0
OVF EOM
A1
P0
A2
P1
A3
Input Shift Register
P0-P10
A0-A10
Row Counter
FIGURE 4: SPI PORT
P2
A4
P3
A5
Ignore Address Bit (IAB)
P4
A6
- 15 -
Message Cueing (MC)
Play/Record (P/R)
P5
A7
Output Shift Register
Power Up (PU)
P6
A8
RUN
P7
A9
Publication Release Date: July 16, 2007
A10
P8
P9
C0
ISD4003 SERIES
P10
C1
Select Logic
C2
0
C3
0
MSB
C4
0
Revision 1.3