W528S03 Datasheet, PDF (4/17 Pages) Winbond – ADPCM VOICE SYNTHESIZER

W528SXX
4. PAD DESCRIPTION
PAD NAME
I/O
TG1
I
TG2
I
TG3
I
TG4/LED2/STPC
I/O
LED1
O
STPB
O
STPA
O
SPK
O
VSS
-
VDD
-
OSC
I
*Test1
-
*Test2
-
*Test3
-
Test4
-
* These pads only exist in W528S15 ~ W528S30.
FUNCTION
Trigger Input 1
Trigger Input 2
Trigger Input 3
Trigger Input 4 or LED 2 or Stop Signal C
LED 1
Stop Signal B
Stop Signal A
Current Output for Speaker
Negative Power Supply
Positive Power Supply
Oscillation Frequency Control
Test Pin
Test Pin
Test Pin or /Reset Pin
Test Pin
-4-