參數(shù)資料
型號: EM78810
廠商: ELAN Microelctronics Corp .
英文描述: 8-Bit Micro-Controller for Telecom Product(工作電壓2.5V-6V的8位呼叫識別的RISC型微控制器)
中文描述: 8位微控制器的電信產(chǎn)品(工作電壓為2.5V到6V的8位呼叫識別的的RISC型微控制器)
文件頁數(shù): 27/31頁
文件大?。?/td> 191K
代理商: EM78810
27
* This specification are subject to be changed without notice.
9.30.1997
EM78810
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
FSK DECODER BLOCK FUNCTION TIMING
( V
DD
= 5.0V
±
5%, V
SS
= 0V T
A
= operating temperature range, unless otherwise note )
Parameter
Sym.
Min.
Typ.
Max.
Unit
OSC start up
(32.768KHz)
(3.679MHz PLL)
Tosc
400
10
14
20
20
50
Carrier detect low
Data out to Carrier det low
Power up low to FSK(setup time)
/RD low to Ringtime low
End of FSK to Carrier Detect high
Tcdl
Tdoc
Tsup
Trd
Tcdh
10
10
15
ms
ns
ms
ms
ms
8
AC ELECTRICAL CHARACTERISTIC
( T
A
= 0 ~ 70
°
C, V
DD
= 5V,V
SS
= 0V )
Parameter
Sym.
Condition
Min.
Typ.
Max.
Unit
Input CLK duty cycle
Instruction cycle time
Dclk
Tins
45
50
60
550
55
%
μ
s
μ
s
ns
ms
32.768K
3.679M
Note 1
T
A
= 25
°
C
TCC input period
Watchdog timer period
Note 1: N = selected prescaler ratio.
Ttcc
Twdt
(Tin+20)/N
18
( FSK Band Pass Filter AC Characteristic)(V
DD
= 5V,T
A
=25
°
C )
Characteristic
Input Sensitivity TIP and RING pin1 and pin2 V
DD
=+5V
Band Pass Filter
frequency response(relative to 1700 Hz @ 0 dBm)
60Hz
550Hz
2700Hz
3300Hz
Min.
Typ.
-48
Max.
Unit
dBm
dBm
-58
-3
-3
-30
ms
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