參數(shù)資料
型號(hào): HT46C47
廠商: Holtek Semiconductor Inc.
英文描述: Cost-Effective A/D Type 8-Bit MCU
中文描述: 成本效益的A / D型8位微控制器
文件頁(yè)數(shù): 19/42頁(yè)
文件大小: 291K
代理商: HT46C47
HT46R46/HT46C46/HT46R47/HT46C47
Rev. 1.00
19
December 28, 2004
Bit No.
Label
Function
0
1
2
ACS0
ACS1
ACS2
ACS2, ACS1, ACS0: Select A/D channel
0, 0, 0: AN0
0, 0, 1: AN1
0, 1, 0: AN2
0, 1, 1: AN3
1, X, X: undefined, cannot be used
3
4
5
PCR0
PCR1
PCR2
PCR2, PCR1, PCR0: PB3~PB0 configurations
0,0,0:PB3 PB2 PB1 PB0 (TheADCcircuitispowerofftoreducepowerconsumption.)
0, 0, 1: PB3 PB2 PB1 AN0
0, 1, 0: PB3 PB2 AN1 AN0
0, 1, 1: PB3 AN2 AN1 AN0
1, x, x: AN3 AN2 AN1 AN0
6
EOCB
End of A/D conversion flag.
(0: end of A/D conversion)
7
START
Start the A/D conversion
0
1
0= Start
0
1= Reset A/D converter and set EOCB to 1
ADCR (22H) Register
Bit No.
Label
Function
0
1
ADCS0
ADCS1
Select the A/D converter clock source.
0, 0: f
SYS
/2
0, 1: f
SYS
/8
1, 0: f
SYS
/32
1, 1: Undefined, cannot be used.
2~6
Unused bit, read as 0 .
7
TEST
For internal test only.
ACSR (23H) Register
"
3
% !
!
"
3
% !
!
1 1 1
1 1 1
1 1
1
1
1 1 1
4
1
4
1
A
2
%
&
)
"
3
% !
B
) !
"
) !
!
B
0 "
0
" (
0
D
%
%
%
D
"
3
! %
A
&
) )
&
"
A
"
%
!
" 0 " =
%
>
)
/
. )
/
7
)
/
,
I 5
)
5
5
5
5
I 6 5
)
5
6
5
6
I ,
)
5
5
5
5
I ,
)
5
6
5
6
B
)
"
3
% !
%
"
3
1 1
1 1 1
)
"
3
% !
%
"
3
%
0 !
!
! !
! %
" !
" $ " 0
&
&
&
J "
0 !
!
&
)
"
3
% !
A/D Conversion Timing
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