AS2523F AMSCO [austriamicrosystems AG], AS2523F Datasheet - Page 11

• Manufacturer Part Number: AS2523F
• Description: Telephone Line Interface and Speakerphone Circuit
• Manufacturer: AMSCO [austriamicrosystems AG]

Data Sheet AS2523, AS2524, AS2524B
Parallel Interface on AS2524 and AS2524B
Power down mode
For low power consumption the analog part is turned off during activated power down mode. The Power down mode is used
during Flash and Pulse dialing and for On-hook operation.
Handset mode
Speech mode is Handset mode (M1-M2, RO active; LO deactivated)
Handsfree mode
Speech mode is Handsfree mode (M3-M4, RO active; LO active)
Revision 1.13
LI Voltage
LLC
TX-Gain
RX-Gain
Rx-Softclip
Tx-Softclip
Tone
LI Voltage
LLC
HF TX-Gain
HF RX-Gain
Rx-Softclip
Tx-Softclip
Tone
BNM
Input Signal on Pin
XPD
Parameter
Parameter
0
0
0
0
1
1
1
1
xMute
0
0
1
1
0
0
1
1
HF
0
1
0
1
0
1
0
1
AS2524
AS2524
No LLC
No LLC
+7.5dB
+37dB
+46dB
+34dB
4.5V
4.5V
Off
Off
Off
Off
Off
Off
On
Power down
Power down
Power down
Power down
Tone mode
Tone mode
Handset mode
Handsfree mode
Mode
LLC high (45mA to 75mA)
LLC high (45mA to 75mA)
AS2524B
AS2524B
+7.5dB
+43dB
+52dB
+34dB
4.5V
4.5V
Off
Off
Off
Off
Off
Off
On
austriamicrosystems
Page 11 of 19