參數(shù)資料
型號: AS2540
廠商: AUSTRIAMICROSYSTEMS AG
英文描述: Remote Controlled Single-Chip-Telephone
中文描述: 遠程控制單芯片電話
文件頁數(shù): 3/18頁
文件大?。?/td> 248K
代理商: AS2540
Data Sheet AS2540
austria
micro
systems
Revision 3.1
Page 3 of 18
Pin #
Symbol
Function
25
OSC
O
scillator Input
Input for ceramic resonator 3.58MHz.
Recommended type: Murata CSA 3.58MG312AM or compatible
12
AGND
A
nalogue
G
round
Special ground for the internal amplifiers
26
RXD
R
eceive
D
ata Input
Schmitt trigger input to serial interface
27
TXD
T
ransmit
D
ata Output
Open drain output from serial interface
20
21
R1
R2
Keyboard
R
ows
22
23
24
C1
C2
C3
Keyboard
C
olumns
10
ROT
R
eceive
O
utput to
T
ransformer
Output for driving a transformer with an ac impedance larger than 10k
1
TIT
T
ransformer
I
nput from
T
ransformer
Single ended input for transformer
9
ROH
R
eceive
O
utput to
H
andset
Output for driving a dynamic earpiece with an impedance from 150
to 300
13
14
M2
M1
M
icrophone Inputs
Differential inputs for the microphone (electret)
相關PDF資料
PDF描述
AS2540Q Remote Controlled Single-Chip-Telephone
AS2540-ZSOW Remote controlled Basic Phone; Package Type: SOIC-28; Temperature Range: -15 - +60 °C; Output Interface: 2-Wire Serial; Supply Voltage: 3,60-5,00
AS2574B 20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER
AS2574BN 20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER
AS2574BP 20 NUMBER ONE TOUCH DIALLER WITH SERIAL BUS FOR DISPLAY DRIVER
相關代理商/技術參數(shù)
參數(shù)描述
AS2540_04 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Remote Controlled Single-Chip-Telephone
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AS2540Q 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Remote Controlled Single-Chip-Telephone
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