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參數(shù)資料
| 型號： | HT48E06 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit I/O Type MCU (With EEPROM) |
| 中文描述： | 8位I / O型微控制器（帶EEPROM） |
| 文件頁數(shù)： | 14/43頁 |
| 文件大?。?/td> | 346K |
| 代理商： | HT48E06 |
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HT48E06
Rev. 0.00
14
January 12, 2004
Preliminary
Label (TMRC)
Bits
Function
PSC0~PSC2
0~2
Defines the prescaler stages, PSC2, PSC1, PSC0=
000: f
INT
=f
SYS
/2
001: f
INT
=f
SYS
/4
010: f
INT
=f
SYS
/8
011: f
INT
=f
SYS
/16
100: f
INT
=f
SYS
/32
101: f
INT
=f
SYS
/64
110: f
INT
=f
SYS
/128
111: f
INT
=f
SYS
/256
TE
3
Defines the TMR active edge of the timer/event counter 0
(0=active on low to high; 1=active on high to low)
TON
4
Enable or disable timer 0 counting
(0=disable; 1=enable)
5
Unused bit, read as 0
TM0
TM1
6
7
Defines the operating mode
01=Event count mode (external clock)
10=Timer mode (internal clock)
11=Pulse width measurement mode
00=Unused
TMRC Register
& !
* - ( /
&
%
' (
# -
# ' ( # !
* %
' (
# & ' (
! # -
$ * (
* %
' (
# & ' (
(
&
! # -
! # B
( #
' (
& ) (
"
"
4 ; ( $
!
4 ;
6
1 2 8
Timer/Event Counter
edges. In the case of counter overflows, the counter is
reloaded from the timer/event counter preload register
and issues the interrupt request just like the other two
modes. To enable the counting operation, the timer ON
bit (TON; bit 4 of the TMRC) should be set to 1 . In the
pulse width measurement mode, the TON will be
cleared automatically after the measurement cycle is
completed.ButintheothertwomodestheTONcanonly
be reset by instructions. The overflow of the timer/event
counter is one of the wake-up sources. No matter what
the operation mode is, writing a 0 to ETI can disable
the corresponding interrupt services.
In the case of timer/event counter OFF condition, writing
data to the timer/event counter preload register will also
reload that data to the timer/event counter. But if the
timer/event counter is turned on, data written to it will
only be kept in the timer/event counter preload register.
The timer/event counter will still operate until overflow
occurs. When the timer/event counter (reading TMR) is
read, the clock will be blocked to avoid errors. As clock
blocking may result in a counting error, this must be
taken into consideration by the programmer.
Bit0~bit2 of the TMRC can be used to define the
pre-scaling stages of the internal clock sources of the
timer/event counter. The definitions are as shown. The
overflow signal of the timer/event counter can be used
to generate PFD signals for buzzer driving.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT48E10 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
| HT48E10_0610 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
| HT48E30 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
| HT48E50 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
| HT48E70 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
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