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): 8/31頁
文件大?。?/td> 191K
代理商: EM78810
* This specification are subject to be changed without notice.
8
9.30.1997
EM78810
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
/FSKPWR='1'
DATA transfer
DATA transfer
to Micro
/RD and /CD ='1'
STATE Diagram between 8-bit
and FSK decoder
sec , /FSKPWR='0'
nothing to do for 30
/RD and /CD ='1' and
FSK decoder
begin its work
SLEEP MODE
Begin
set /FSKPWR='0'
/RD and /CD ='1'
data end and 30
sec nothing to do.
Yes
No
/RINGTIME ='0'
or external keys
pressed
and FSK decoder
Flow Diagram between 8-bit
8-bit wake up andá
set /FSKPWR='1'
accept data from
FSK decoder
WAKE UP MODE
/RINGTIME='0'
or EXTERNAL KEYS
PRESSED
sleep mode
wake up
mode
Yes
No
Vdd
Vref
s2
1 on
0 off
s2
1 on
0 off
1 on
to Low bat
To reset
/POVD
/LPD
/LPD
+
-
1 on
Fig6. The relation between Bit0 to Bit3.
Bit4(Read Only)(Low battery signal)
0/1 = Battery voltage is low/Normal . If the battery voltage is under 4.2V then sends a ‘0’ signal to RA register
bit4 or sends a '1' signal to this bit.
Bit5(read/Write)(Low battery detect enable)
0/1 = low battery detect DISABLE/ENABLE. The relation between /LPD,/POVD and /LOW_BAT can see
Fig7.
Fig7. The relation between /LPD,/POVD
Bit6(read/write)(PLL enable signal)
0/1=DISABLE/ENABLE, The relation between 32.768K and 3.679M can see Fig8.
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