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參數(shù)資料
| 型號： | HT48R50A-1 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit High Performance RISC-like Microcontroller Suitable for Multiple I/O Application(高性能、指令類似RISC的8位微控制器，用于多I/O接口設(shè)備) |
| 中文描述： | 8位高性能RISC架構(gòu)微控制器等的多個I / O應(yīng)用（高性能，指令類似的RISC的8位微控制器，用于多予適用/輸出接口設(shè)備） |
| 文件頁數(shù)： | 19/50頁 |
| 文件大?。?/td> | 345K |
| 代理商： | HT48R50A-1 |
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HT48R50A-1
19
December 19, 2000
Timer/event counter
Two timer/event counters (TMR0, TMR1) are
implemented in the microcontroller. The
timer/event counter 0 contains an 8-bit pro-
grammable count-up counter and the clock may
comefromanexternalsourceorfromthesystem
clock or RTC.
The timer/event counter 1 contains an 16-bit
programmable count-up counter and the clock
may come from an external source or from the
system clock divided by 4 or RTC.
Using the internal clock sources, there are 2
reference time-bases for timer/event counter 0.
The internal clock source can be selected as
coming from f
SYS
(can always be optioned) or
f
RTC
(enabled only system oscillator in the Int.
RC+RTC mode) by ROM code option. The exter-
nalclockinputallowstheusertocountexternal
events, measure time intervals or pulse widths,
Label (TMR0C)
Bits
Function
PSC0~PSC2
0~2
To define the prescaler stages, PSC2, PSC1, PSC0=
000: f
INT
=f
SYS
/2 or f
RTC
/2
001: f
INT
=f
SYS
/4 or f
RTC
/4
010: f
INT
=f
SYS
/8 or f
RTC
/8
011: f
INT
=f
SYS
/16 or f
RTC
/16
100: f
INT
=f
SYS
/32 or f
RTC
/32
101: f
INT
=f
SYS
/64 or f
RTC
/64
110: f
INT
=f
SYS
/128 or f
RTC
/128
111: f
INT
=f
SYS
/256 or f
RTC
/256
To define the TMR0 active edge of timer/event counter 0
(0=active on low to high; 1=active on high to low)
TE
3
TON
4
To enable/disable timer 0 counting
(0=disabled; 1=enabled)
5
Unused bit, read as"0"
TM0
TM1
6
7
To define the operating mode
01=Event count mode (external clock)
10=Timer mode (internal clock)
11=Pulse width measurement mode
00=Unused
TMR0C register
* ,
# ' ! )
!
' * !
# ! * !*
' * #!
# !
!*
!* /
'
! * !
" !
/ 0
/ 0
1 : ! * "
1 : *
-
* '
" ! #
7 -
3 2 8
Timer/event counter 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT48R50A | 8-BIT MICROCONTROLLER |
| HT48RA0A | 8-Bit Remote Type MCU |
| HT48RA3 | 8-Bit Remote Type OTP MCU |
| HT48RB8 | 8-Bit USB Type OTP MCU |
| HT49C10 | 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT48R50A-1_09 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MCU |
| HT48R51 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit Microcontroller Series |
| HT48R51-1(28SKDIP-H0) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| HT48R51-1(40DIP-A0) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| HT48R51-2(28SKDIP-H0) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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