ISD1964SYI Datasheet, PDF (8/29 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE

ISD1900
5. PIN DESCRIPTION
4
PIN NAME
V_SSD
S0/M¯¯1
PIN # I / O
1
I
2
I
S1/M¯¯2
3
I
S2/M¯¯3
4
I
S3/M¯¯4
5
I
¯P¯la¯y¯L¯/FMC1
6
I
FUNCTION
Digital Ground: Ground path for digital circuits.
S0^[1] : In Address Mode, Start Address Bit 0.
M¯¯1: When Direct Mode is active, low active operation on 1^st Message.
Internal pull-up & debounce existed.
S1^[1] : In Address Mode, Start Address Bit 1.
M¯¯2: When Direct Mode is active, low active operation on 2^nd Message.
Internal pull-up & debounce existed.
S2^[1] : In Address Mode, Start Address Bit 2.
M¯¯3: When Direct Mode is active, low active operation on 3^rd Message.
Internal pull-up & debounce existed.
S3^[1] : In Address Mode, Start Address Bit 3.
M¯¯4: When Direct Mode is active, low active operation on 4^th Message.
Internal pull-up & debounce existed.
¯P¯la¯y¯L¯: In Address Mode, low active input, Level-hold playback start to end
addresses, debounce & internal pull-up existed. Holding ¯P¯la¯y¯L¯ Low
constantly will perform looping playback function from start to end
addresses with insignificant dead time between messages regardless of
sampling frequencies.
FMC1: When Direct Mode is active, FMC1, together with FMC2 & FMC3,
setup various fixed-message configurations.
E0/M¯¯5
V_SSA
E1/M¯¯6
E2/M¯¯7
E3/M¯¯8
V_SSP2
SP-
V_CCP
7
I
E0^[1] : In Address Mode, End Address Bit 0.
M¯¯5: When Direct Mode is active, low active operation on 5^th Message.
Internal pull-up & debounce existed.
8
I Analog Ground: Ground path for analog circuits.
9
I
E1^[1] : In Address Mode, End Address Bit 1.
M¯¯6: When Direct Mode is active, low active operation on 6^th Message.
Internal pull-up & debounce existed.
10
I
E2^[1] : In Address Mode, End Address Bit 2.
M¯¯7: When Direct Mode is active, low active operation on 7^th Message.
Internal pull-up & debounce existed.
11
I
E3^[1] : In Address Mode, End Address Bit 3.
M¯¯8: When Direct Mode is active, low active operation on 8^th Message.
Internal pull-up & debounce existed.
12
I Ground: Ground for negative PWM speaker driver.
13
O SP-: Negative signal of the differential Class-D PWM speaker outputs. This
output, together with the SP+, is used to drive an 8Ω speaker directly.
14
I Speaker Power Supply: Power supply for PWM speaker drivers.
Publication Release Date: Jan 5, 2009
8
Revision 0.51