AS2534BT Austriamicrosystems, AS2534BT Datasheet - Page 14

• Manufacturer Part Number: AS2534BT
• Description: AS Series 3.8 to 5V Multi-Standard CMOS Telephone IC for Basic Telephone SOIC-28
• Manufacturer: Austriamicrosystems

Data Sheet
Temporary MF
When MODE pin = row 5, pressing the * key
also transmits the tone by MF select.
The T/P key (not AS2535) can be used
alternatively to
the * key.
Rev. 7
FIFO
Pressing any other
key does not
change the state.
EXIT FIFO
MODE pin connected
to row 1, 2, 3, 4 or 5
T/P
T/P
T/P
R
14
D
R
*
*
RAM
FIFO
FIFO
AS2533...6
July 1998