參數(shù)資料
型號: EM78P809NP
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): 19/75頁
文件大?。?/td> 531K
代理商: EM78P809NP
EM78P809N
8-Bit Microcontroller
Product Specification
(V1.0) 07.26.2005
(This specification is subject to change without further notice)
15
Bit 2 ~ Bit 0 ( TC2CK2 ~ TC2CK0 ) :
Timer/Counter 2 Clock Source Select
Clock Source
( Normal, Idle )
TC2CK2
TC2CK1
TC2CK0
Resolution
( Fc=8M )
Max. Time
( Fc=8M )
0
0
0
Fc/
2
23
1.05s
19.1h
0
0
1
Fc/
2
13
1.02ms
1.1min
0
1
0
Fc/
2
8
32μs
2.1s
0
1
1
Fc/
2
3
1μs
65.5ms
1
0
0
Fc
125ns
7.9ms
1
0
1
-
-
-
1
1
0
-
-
-
1
1
1
External clock (TC2 pin)
TC2DH
Timer 2 Data Buffer High Byte ( Address: 09h )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TC2D15
TC2D14
TC2D13
TC2D12
TC2D11
TC2D10
TC2D9
TC2D8
Bit 7 ~ Bit 0 ( TC2D15 ~ TC2D8 ) :
16-bit Timer/Counter 2 data buffer high byte.
TC2DL
Timer 2 Data Buffer Low Byte ( Address: 0Ah )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TC2D7
TC2D6
TC2D5
TC2D4
TC2D3
TC2D2
TC2D1
TC2D0
Bit 7 ~ Bit 0 ( TC2D7 ~ TC2D0 ) :
16-bit Timer/Counter 2 data buffer low byte.
ADCR
AD Control Register ( Address: 0Bh )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ADREF
ADRUN
ADCK1
ADCK0
ADP
ADIS2
ADIS1
ADIS0
Bit 7 ( ADREF ) :
AD reference voltage input select.
ADREF = “0” :
Internal VDD, P97 is used as IO.
ADREF = “1” :
External reference pin, P97 is used as reference input pin.
Bit 6 ( ADRUN )
: AD Conversion start
ADRUN = “0” :
Reset on completion of the conversion by hardware, this bit
cannot be reset by software.
ADRUN = “1” :
Conversion starts
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