ISD1964SYI Datasheet, PDF (13/29 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE

ISD1900
o Then an EOM marker is written at the end of message. And ¯L¯E¯D¯ is off.
o Then the device will automatically power down.
• This pin has an internal pull-up device.
• Once ¯R¯E¯C¯ is active, input on F¯¯T, Addr/¯D¯r¯c¯t , S0, S1, S2, S3, E0, E1, E2 or E3 is illegal.
Addr/Drct
<S3:S0>
<E3:E0>
T_ASet
REC
LED
T_Deb
T_AHold
Mic+/-
T_Ers
or AnaIn
Figure 6-1 Record–Level (¯R¯E¯C¯) function till end address
T_Stop1
End Address
Addr/Drct
<S3:S0>
<E3:E0>
T_ASet
REC
LED
T_Deb
T_AHold
Start
T_Deb
T_ASet
Stop
T_Settle1
T_AHold
Start
T_Deb
Mic+/-
T_Ers
T_Ers
or AnaIn
T_Stop1
End Address
Figure 6-2 Record–Level (¯R¯E¯C¯) function with start and stop actions
Addr/Drct
<S3:S0>
<E3:E0>
T_ASet
REC
LED
T_Deb
T_AHold
Start
T_ASet
Stop
T_Deb
T_Settle1
T_AHold
Start
T_Deb
Mic+/-
T_Ers
T_Ers
or AnaIn
Figure 6-3 Record–Edge (¯R¯E¯C¯) function with on-off
T_Stop1
End Address
Publication Release Date: Jan 5, 2009
13
Revision 0.51