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參數(shù)資料
| 型號： | HT86768 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Voice Synthesizer 8-Bit MCU |
| 中文描述： | 語音合成器8位微控制器 |
| 文件頁數(shù)： | 27/39頁 |
| 文件大小： | 368K |
| 代理商： | HT86768 |
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HT86XXX
Rev. 1.70
27
May 6, 2004
Timer Counter 3 (RTC Time Base)
The timer counter TMR3 is an 8-bit programmable
count-up counter. Its counting is as the same manner as
Timer Event Counter 0/1 and Timer Counter 2, but the
clock source of TMR3 can be from internal instruction
cycle (T1) or external 32kHz crystal which is connected
to XIN and XOUT. The TMR3 s clock source is deter-
mined by mask option. If the 32kHz crystal is enabled,
then TMR3 s clock source is 32kHz which is from XIN
and XOUT. If the 32kHz crystal is disabled, then TMR3 s
clock source is internal T1.
The TMR3 is internal clock source only, i.e.
(TM1,TM0)=(1,0). There is a 3-bit prescaler
(TMR3S2,TMR3S1,TMR3S0) which defines different
division ratio of TMR3 s clock source.
Label
Bits
Function
TMR3S2,
TMR3S1,
TMR3S0
0~2
To define the operating clock source
(TMR3S2, TMR3S1, TMR3S0)
000: clock source/2
001: clock source/4
010: clock source/8
011: clock source/16
100: clock source/32
101: clock source/64
110: clock source/128
111: clock source/256
TE
3
To define the TMR3 active edge of
timer/event counter
(0=active on low to high;
1=active on high to low)
TON
4
To enable/disable timer counting
(0=disabled; 1=enabled)
5
Unused bit, read as 0
TM0,
TM1
6
7
To define the operating mode
(TM1, TM0)
01=Unused
10=Timer mode (internal clock)
11=Unused
00=Unused
TMR3 Register
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Timer Counter 2
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Timer Counter 3
相關PDF資料 |
PDF描述 |
|---|---|
| HT86072 | Voice Synthesizer 8-Bit MCU |
| HT86144 | Voice Synthesizer 8-Bit MCU |
| HT86192 | Voice Synthesizer 8-Bit MCU |
| HT86384 | Voice Synthesizer 8-Bit MCU |
| HT86576 | Voice Synthesizer 8-Bit MCU |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HT86A36 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type Voice 8-Bit MCU |
| HT86A72 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type Voice 8-Bit MCU |
| HT86AR72 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type Voice 8-Bit MCU |
| HT86ARxx | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type Voice 8-Bit MCU |
| HT86AXX | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type Voice 8-Bit MCU |
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