isd5008 Winbond Electronics Corp America, isd5008 Datasheet - Page 19

• Manufacturer Part Number: isd5008
• Description: Single-chip, Voice Record / Playback Device 4-, 5-, 6- And 8-second Duration
• Manufacturer: Winbond Electronics Corp America

4.3
The following diagram describes the SPI port and the control bits associated with it.
NOTE:
4.4
The SPI control register provides control of individual device functions such as Play, Record, Message
Cueing, Power-Up and Power-Down, Start and Stop operations, Ignore Address Pointers and Load Con-
figuration Registers.
ISD
RUN
P/R
MC
LC0
Register
Control
=
=
=
=
Bytes 1 and 2 of the MOSI input may be address bits or configuration bits, depending on the selected mode
in byte 3.
=
=
=
=
SPI PORT
SPI CONTROL REGISTER
1
0
1
0
1
0
1
0
Bit
Enable or Disable an operation
Start
Stop
Selects Play or Record operation
Play
Record
Enable or Disable Message Cueing
Enable Message Cueing
Disable Message Cueing
Load Configuration Reg 0
No Load
Device Function
Table 7: SPI Control Register
Figure 12: SPI Port
IAB
PU
A15–A0
D15–D0
LC1
Register
Control
=
=
=
=
=
=
1
0
1
0
1
0
Bit
Master power control
Power-Up
Power-Down
Ignore address control bit
Ignore input address register (A15–A0)
Use the input address register contents
for an operation (A15–A0)
Output of the row pointer register
Input control and address register
Load Configuration Reg 1
No Load
Device Function
ISD5008 Product
15