isd4004 Winbond Electronics Corp America, isd4004 Datasheet - Page 15

• Manufacturer Part Number: isd4004
• Description: Single-chip Voice Record/playback Devices 8-, 10-, 12-, And 16-minute Durations
• Manufacturer: Winbond Electronics Corp America

The following diagram describes the SPI port and the control bits associated with it.
M ISO
Notes: 1. For MOSI, LSB is the 1
LSB
A0
MISO
7.2.2. SPI Diagrams
A1
2. For MISO, LSB is the 1
A2
LSB
LSB
OVF
A0
A3
(Loaded to Row Counter
EO M
A4
FIGURE 3: SPI INTERFACE SIMPLIFIED BLOCK DIAGRAM
only if IAB = 0)
P0
A5
P1
OVF EOM
A6
LSB
Input Shift Register
P2
A7
P3
A8
st
st
bit shifted out from the ISD4004.
bit shifted into the ISD4004.
P4
A9 A10 A11 A12 A13 A14 A15
P0 ...
P5
FIGURE 4: SPI PORT
A0-A15
P0-P15
Row Counter
P6
P7
- 15 -
P8
Ignore Address Bit (IAB)
M essage Cueing (M C)
P9 P10 P11 P12 P13 P14 P15
Play/Record (P/R)
Power Up (PU)
Output Shift Register
x
RUN
A15
x
Publication Release Date: July 16, 2007
Select Logic
x
X X X
C0
ISD4004 SERIES
C1
C
0
0
C2
0
C3
M SB
0
C4
0
C
4
Revision 1.3
0
M O SI
M SB
0
P15
MOSI