ISD1700 SERIES
6 MODES OF OPERATIONS
The ISD1700 Series can operate in either Standalone (Push-Button) or microcontroller (SPI) mode.
6.1
S
TANDALONE
(P
USH
-B
UTTON
) M
ODE
One can utilize the
REC
,
PLAY
,
FT
,
FWD
,
ERASE
,
VOL
or
RESET
control to initiate a
desired operation. As completed, the device automatically enters into the power-down state.
6.2
SPI M
ODE
In SPI mode, control of the device is achieved through the 4-wire serial interface via SPI
commands.
For technical details, please refer to the design guide.
7 TIMING DIAGRAMS
The following estimated timing diagrams are not in proper scale.
7.1 B
ASIC
O
PERATION
T
r
T
f
REC
T
Deb
RDY
T
Sc1
T
RU
T
ER
T
RD
T
Set1
LED
Mic+/-,
AnaIn
Figure 12.1: Record Operation with No Sound Effect
-8-
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