Hello.. The part I'm trying to ID has the following markings.
ATS302T C3016 794C
It is a 14 PIN DIP, in the handheld controller for a mini radio sub that worked in my fish tank, as seen here...
It's the only IC, VDD goes to pin 9, while ground is pin 3.. how strange I thought.
The buttons (NO), when pressed ground pins on the chip. Left = pin 14 Right = pin 1 Up = pin 5 Down = pin 4 Turbo Boost = pin 6
This is how its laid out..
right 1|----u-----|14 left (nc) 2| |13 (nc) GND 3| |12 R1 \ down 4| |11 R1 / ---- C1 --- to ground. up 5| |10 -- R2 --- 49.8MHz XL boost 6| |9 VDD (nc) 7|----------|8 --- off to tx? transistors caps choak .. etc.
So , some sort of coding , that modulates the carrier?
Thanks
DaveC