AS2507P austriamicrosystems AG, AS2507P Datasheet - Page 2

• Manufacturer Part Number: AS2507P
• Description: SINGLE CHIP 2-WIRE INTERCOM CMOS INTEGRATED CIRCUIT
• Manufacturer: austriamicrosystems AG

Preliminary Data Sheet
Pin description
DIP 14
Pin #
14
11
12
10
13
7
6
2
4
9
8
5
1
SO 16
Pin #
15
16
10
12
13
11
14
7
6
2
4
9
8
5
1
Symbol
AGND
OSC1
OSC2
VDD
VSS
RxD
TxD
RO
M1
M2
PD
TE
RI
M
Differential input for the microphone (electret)
M
Differential input for the microphone (electret)
R
Input for ac-separated receive signal
R
Output for driving a dynamic earpiece with an impedance from 150
300
V
Positive Power Supply
V
Negative Power Supply
A
Signal ground for the internal amplifiers
O
Output to ceramic resonator 3.58MHz.
O
Input for ceramic resonator 3.58MHz.
P
Active high, i.e. a high level on this pin will power down the analogue
signal path.
R
Output of the FSK demodulator
T
Input for the FSK modulator
T
Input for enabling transmit data
ransmit
ransmit
oltage
oltage
ower
eceive
eceive
nalogue
eceive
scillator Output
scillator Input
icrophone Input
icrophone Input
D
D
S
I
O
D
own Input
D
E
nput
ource
rain
G
ata Output
utput to Handset
nable
ata Input
round
D
2
S
rain
1
1
2
ource
2/9
Function
July 1998
AS2507
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