參數(shù)資料
型號(hào): HT86030
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): 17/40頁
文件大小: 256K
代理商: HT86030
HT86030/HT86070
Rev. 1.10
17
May 25, 2006
Timer Counter 3
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, but the clock source of TMR3
can be from internal instruction cycle (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.
Bit No.
Label
Function
0~2
TMR3S2,
TMR3S1,
TMR3S0
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
3
TE
To define the TMR3 active edge of timer/event counter
(0=active on low to high; 1=active on high to low)
4
TON
To enable/disable timer counting (0=disabled; 1=enabled)
5
Unused bit, read as 0
6
7
TM0,
TM1
To define the operating mode
(TM1, TM0)
01=Unused
10=Timer mode (internal clock)
11=Unused
00=Unused
TMR3C (25H) Register
"
'
,
> ) *
4 5
,
'
' 0
,
'
' 2
,
C
% , B
'
'
' 0
7
0
8 '
0
8 '
0
9
Timer Counter 3
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