參數(shù)資料
型號: HT46R22
廠商: Holtek Semiconductor Inc.
英文描述: 8-Bit A/D Type MCU
中文描述: 8位A / D型微控制器
文件頁數(shù): 18/46頁
文件大?。?/td> 390K
代理商: HT46R22
HT46R22/HT46C22
Rev. 1.10
18
October 2, 2002
Label
(ADCR)
Bits
Function
ACS0
ACS1
ACS2
0
1
2
Defines the analog channel select.
PCR0
PCR1
PCR2
3
4
5
DefinestheportBconfigurationselect.
IfPCR0,PCR1andPCR2areall0,the
ADC circuit is power off to reduce
power consumption
EOC
6
Provides response at the end of the
A/D conversion.
(0= end of A/D conversion)
START
7
Starts the A/D conversion. (0
=start; 0
1
reset A/D converter)
1
0
ADCR register
ACS2
ACS1
ACS0
Analog Channel
0
0
0
A0
0
0
1
A1
0
1
0
A2
0
1
1
A3
1
0
0
A4
1
0
1
A5
1
1
0
A6
1
1
1
A7
Analog input channel selection
PCR2
PCR1
PCR0
7
6
5
4
3
2
1
0
0
0
0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
0
0
1
PB7
PB6
PB5
PB4
PB3
PB2
PB1
A0
0
1
0
PB7
PB6
PB5
PB4
PB3
PB2
A1
A0
0
1
1
PB7
PB6
PB5
PB4
PB3
A2
A1
A0
1
0
0
PB7
PB6
PB5
PB4
A3
A2
A1
A0
1
0
1
PB7
PB6
PB5
A4
A3
A2
A1
A0
1
1
0
PB7
PB6
A5
A4
A3
A2
A1
A0
1
1
1
A7
A6
A5
A4
A3
A2
A1
A0
Port B configuration
H 0 3
H H
/
/
# A
'
(
( ( # "
# ' 6
* # '
(
# ' 6
(
( ( # "
# ' 6
* # '
(
# ' 6
(
' , # "
# ' 6
(
' , # "
# ' 6
(
B
" * '
# ' " * $ & ( * # '
B
!
( ' ! # $
- ' '
!
H H H 1 B
!
(
! #
=
9
; % ) ! B
- ' '
! 7
7
"
4 :
B
! !
! * '
*
, * $ * ( ! * ' ) & (
B
# ' 6
(
*
) # A
# " "
( #
, &
) # A
# '
& % ) ( * # '
H 0 3
C H C
# ' 6
( * ' $ ( * %
*
0 3
C H H C
%
'
, # ' I(
C H H H C
! #
= % &
( >
"
7 "
4 7 "
1
# ( B
A/D conversion timing
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