Datasheet

PRELIMINARY ISD1700 SERIES
Publication Release Date: Nov 6, 2008
- 8 - Revision 1.31
6
5
MODES OF OPERATIONS
The ISD1700 Series can operate in either Standalone (Push-Button) or microcontroller (SPI) mode.
6.1
13
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
14
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
6
TIMING DIAGRAMS
The following estimated timing diagrams are not in proper scale.
7.1
15
BASIC 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