參數(shù)資料
型號(hào): AS2524T
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 無繩電話/電話
英文描述: Line Interface Speaker Phone; Package Type: SOIC-28; Temperature Range: -25 - +70 °C; Output Interface: Parallel; Supply Voltage: 3,00-5,00
封裝: SOIC-28
文件頁(yè)數(shù): 3/19頁(yè)
文件大小: 490K
代理商: AS2524T
Data Sheet AS2523, AS2524, AS2524B
austria
micro
systems
Pin #
Symbol
Function
25
xCS
C
hip
S
elect on AS2523
Chip select input of the serial interface. Internal pull-up resistor ( 100kOhm )
/xMUTE
Mute transmit-, receive- path and activate tone path on AS2524 and AS2524B
26
DI
D
ata
I
nput on AS2523
Data input of the serial interface. Internal pull-up resistor ( 100kOhm )
/xPD
Power down mode for AS2524 and AS2524B (On-hook)
27
CLK
Cl
oc
k
on AS2523
Clock input of the serial interface. Internal pull-up resistor ( 100kOhm )
/HFE
Handsfree mode operation on AS2524 and AS2524B
23
LO
L
oudspeaker
O
utput. Output pin is for a 25
Ω
loudspeaker
2
FT1
Analog input pin for connecting a capacitor for offset cancellation.
3
TXO
Analog output of the transmit signal
4
TXV
Analog input for the transmit signal in the voice switching path
1
CBN
Analog input pin for connecting a capacitor for background noise monitoring.
20
RECI
Analog input for the handsfree receive path. Should be connected to RO via coupling
capacitor.
21
RECV
Analog input for receive voice switching path.
24
VSSA
Power supply pin for LO output amplifier.
22
VPP
Power supply pin for LO output amplifier.
28
TONEIN Analog input for DTMF-signals.
Revision 1.13
Page 3 of 19
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