ISD1964SYI Datasheet, PDF (10/29 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE

ISD1900
PIN NAME PIN # I / O
FUNCTION
Addr/¯D¯r¯c¯t
27
I
Level-hold input.
Addr: When set to High, the device operates under Address Mode.
Level-hold input.
¯D¯r¯c¯t : When set to Low, the device operates under Direct Mode. The
device reconfigures its pin definitions to fit various fixed-message
configurations utilizing FMC1 , FMC2 & FMC3 pins as below table.
FMC3
FMC2
FMC1
# of fixed messages
0
0
0
1
0
0
1
2
0
1
0
3
0
1
1
4
1
0
0
5
1
0
1
6
1
1
0
7
1
1
1
8
V_CCD
28
I Digital Power Supply: Power supply for digital circuits.
Notes: ^[1] : Address bits S0, S1, S2, S3, E0, E1, E2 & E3 are used to access the memory location.
Publication Release Date: Jan 5, 2009
10
Revision 0.51