參數(shù)資料
型號(hào): EM78P809N
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 21/75頁
文件大?。?/td> 531K
代理商: EM78P809N
EM78P809N
8-Bit Microcontroller
Product Specification
(V1.0) 07.26.2005
(This specification is subject to change without further notice)
17
TBKTC
TBT/Keytone Control ( Address: 0Eh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TEN
TCK1
TCK0
0
TBTEN
TBTCK2
TBTCK1
TBTCK0
Bit 7 ( TEN ) :
Keytone enable control
TEN = “0” :
Disable
TEN = “1” :
Enable
Bit 6 ~ Bit 5 ( TCK1 ~ TCK0 )
: Keytone Output Clock Source Select
Clock Source
( Normal, Idle )
TCK1
TCK0
Keytone Output Frequency
( Fc = 8MHz )
0
0
Fc/
2
13
0.976kHz
0
1
Fc/
2
12
1.953kHz
1
0
Fc/
2
11
3.906kHz
1
1
Fc/
2
10
7.812kHz
Bit 3 ( TBTEN )
: Time Base Timer Enable Control
TBTEN = “0” :
Disable
TBTEN = “1” :
Enable
Bit 2 ~ Bit 0 ( TBTCK2 ~ TBTCK0 ) :
Time Base Timer Clock Source Select
TBTCK2
TBTCK1
TBTCK0
Clock Source
( Normal, Idle )
Interrupt Frequency
( Fc = 8MHz )
0
0
0
Fc/
2
23
0.95Hz
0
0
1
Fc/
2
21
3.81Hz
0
1
0
Fc/
2
16
122.07Hz
0
1
1
Fc/
2
14
488.28Hz
1
0
0
Fc/
2
13
976.56Hz
1
0
1
Fc/
2
12
1953.12Hz
1
1
0
Fc/
2
11
3906.25Hz
1
1
1
Fc/
2
9
15625Hz
Register Bank 2 ( R3 bits (7, 6) = (1, 0) )
URC1
UART Control Register 1 ( Address: 05h )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
URTD8
UMODE1 UMODE0
BRATE2
BRATE1
BRATE0
UTBE
TXE
Bit 7 ( URTD8 ) :
Transmission data bit 8
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