ISD1700 SERIES
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 , 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 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 BASIC OPERATION
Tr
Tf
REC
RDY
TDeb
TSc1
TSet1
TRU
TRD
TER
LED
Mic+/-,
AnaIn
Figure 12.1: Record Operation with No Sound Effect
- 8 -
WINBOND [ WINBOND ]
