參數(shù)資料
型號(hào)： EM92012
廠商： ELAN Microelctronics Corp .
英文描述： 10 Channel Cordless Phone Controller with Handset LCD Display and Handfree Function(10通道無(wú)繩電話控制器（帶手機(jī)LCD顯示和免提功能）)
中文描述： 10頻道無(wú)繩電話控制器）與液晶顯示器和手機(jī)免提功能（10通道無(wú)繩電話控制器（帶手機(jī)液晶顯示和免提功能）
文件頁(yè)數(shù)： 4/23頁(yè)
文件大?。?/td> 178K
代理商： EM92012
* This specification are subject to be changed without notice.
EM92012/EM92013
10-CHANNEL CORDLESS PHONE CONTROLLER WITH
HANDSET LCD DISPLAY AND HANDFREE FUNCTION
4
5.18.1998
Symbol
I/O
Active
Function
D0-D3
O
H
Channel select output.
It outputs 4-bit BCD code from 0001 to 1010 to control the external PLL
such as EM92600A/C series for 46/49MHz or 45/48MHz band to work
in one of 10 channels.
Beep function output.
The /BEEP pin generates the beep tone such as key tone, incoming ring,
paging and warning tone, etc. The /BEEP frequency is 1.95kHz.
Transmission mute output.
/TXMUT outputs a low signal to disable the microphone or send a low
signal to compressor for transmission muting.
RF transmitter power control output.
The RF transmitter power can be controlled by this pin. It outputs high
signal to RF transmitter in stand-by mode and sends low signal in in-use
mode.
RF receiver power control output.
The RF receiver power is controlled by this pin at a ratio of 1:8 (min.
300ms ON) when the handset is in standby mode.
This function is called “power saving”. /RXPWR goes low in in-use
mode and low/high (ON/OFF) ratio of 1:8 in standby mode..
Talk mode indicator.
It sinks current to drive an LED directly in talk mode and toggles to flash
LED where in line hold mode.
Keypad backlight indicator.
It allows a maximum of 20mA sink current to drive two or more LEDs
directly. For the power saving consideration, the /BCKLED will only be
kept low for 8 seconds after each dialing key pressed. It also toggles to
flash the LED during incoming ring or paging from base unit, provided
that the BCKLSW pin is set low.
Battery low indicator.
It indicates the low battery condition. It sinks current to drive an LED
directly when /BATL pin is low and in in-use mode.
Battery low detection input.
A low input to this pin when battery is low. This pin only functions when
in in-use mode. (/TXPWR=low).
Carrier sense input.
It works when /TXPWR=low and /RXPWR=low to sense the RF carrier.
In normal air-linked condition, the external RF carrier detection circuit
must has a low level signal input to /CDI pin. When there is no RF carrier
detected (/CDI=high), beep tone from /BEEP pin will be activated
every 8 seconds. If the carrier is lost for more than 32 seconds, the
handset will return to standby mode automatically.
Ringer On/Off switch input.
The beep tone initiated by incoming ring can be disabled by setting this
pin be high. Other beep functions such as paging ring, key tone and
warning tone still work normally.
Ringing backlight LED flash selection input.
(P.P.)
/BEEP
O
L
(O.D.)
/TXMUT
O
L
(O.D.)
/TXPWR
O
L
(O.D.)
/RXPWR
O
L
(O.D.)
/TLKLED
O
L
(O.D.)
/BCKLED
O
L
(O.D.)
/BATLED
O
L
(O.D.)
/BATL
I
L
/CDI
I
L
RNGSW
I
-
BCKLSW
I
-
相關(guān)PDF資料
PDF描述
EM92013 10 Channel Cordless Phone Controller with Handset LCD Display and Handfree Function(10通道無(wú)繩電話控制器（帶手機(jī)LCD顯示和免提功能）)
EM92100(中文) 10 Channel Auto Scan Cordless Phone Controller with LCD Display(10通道自動(dòng)掃描無(wú)繩電話控制器（帶LCD顯示）)
EM92101(中文) 10 Channel Auto Scan Cordless Phone Controller with LCD Display(10通道自動(dòng)掃描無(wú)繩電話控制器（帶LCD顯示）)
EM92100 10 Channel Auto Scan Cordless Phone Controller with LCD Display(10通道自動(dòng)掃描無(wú)繩電話控制器（帶LCD顯示）)
EM92101 10 Channel Auto Scan Cordless Phone Controller with LCD Display(10通道自動(dòng)掃描無(wú)繩電話控制器（帶LCD顯示）)
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