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)： 16/46頁
文件大?。?/td> 390K
代理商： HT46R22
HT46R22/HT46C22
Rev. 1.10
16
October 2, 2002
lected, the PFD output signal is controlled by PA3 data
registeronly. Writing 1 toPA3dataregisterwillenable
the PFD output function and writing 0 will force the
PA3 to remain at 0 . The I/O functions of PA3 are
shown below.
I/O
Mode
I/P
(Normal)
O/P
(Normal)
I/P
(PFD)
O/P
(PFD)
PA3
Logical
Input
Logical
Output
Logical
Input
PFD
(Timer on)
Note:
The PFD frequency is the timer/event counter
overflowfrequencydividedby2.
The PA5 and PA4 are pin-shared with INT and TMR pins
respectively.
The PB can also be used as A/D converter inputs. The
A/D function will be described later. There is a PWM
function shared with PD0. If the PWM function is en-
abled, the PWM signal will appear on PD0 (if PD0 is op-
erating in output mode). Writing 1 to PD0 data register
will enable the PWM output function and writing 0 will
force the PD0 to remain at 0 . The I/O functions of PD0
is as shown.
I/O
Mode
I/P
(Normal)
O/P
(Normal)
I/P
(PWM)
O/P
(PWM)
PD0
Logical
Input
Logical
Output
Logical
Input
PWM
It is recommended that unused or not bonded out I/O
linesshouldbesetasoutputpinsbysoftwareinstruction
to avoid consuming power under input floating state.
PWM
The microcontroller provides 1 channels (6+2)/(7+1)
(dependent on options) bits PWM output shared with
PD0. The PWM channel has its data registers denoted
as PWM(1AH). The frequency source of the PWM coun-
ter comes from f
SYS
. The PWM registers is a 8-bit regis-
ter. The waveforms of PWM outputs are as shown.
Once the PD0 is selected as the PWM outputs and the
output function of PD0 is enabled (PDC.0= 0 ), writing 1
to PD0 data register will enable the PWM output func-
tion and writing 0 will force the PD0 to stay at 0 .
"
E
F G
E
F G
E
F G
E
F G
1
+
!
B
3 "
% # , & ! ( * # ' )
* # , B 3
"
3
3 3
3 3
3 3
3
3
3
3
3
3
3
3 3
3 3
3
3
3 3
3
3 3
3 3
3 3
(6+2) PWM mode
"
E
F G
E
F G
E
F G
E
F G
1
+
!
B
3 "
% # , & ! ( * # ' )
* # , B
4 "
4
4
4
4
4
4
4
4
4
4
4
4
(7+1) PWM mode
相關(guān)PDF資料
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HT46R232 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
HT46R24 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
HT46R24_06 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
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