Manual

ISD1700 SERIES
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6 MODES OF OPERATIONS
The ISD1700 Series can operate in either Standalone (Push-Button) or microcontroller (SPI) mode.
6.1 STANDALONE (PUSH-BUTTON) MODE
One can utilize the
REC
,
PLA
Y
,
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 MODE
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 OPERATION
T
r
T
f
RDY
T
Deb
REC
T
ER
T
Sc1
T
RU
T
RD
T
Set1
Mic+/-,
AnaIn
LED
Figure 12.1: Record Operation with No Sound Effect