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參數(shù)資料
型號： W77E58-25
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 8 BIT MICROCONTROLLER
中文描述： 8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PDIP40
封裝： DIP-40
文件頁數(shù)： 55/85頁
文件大?。?/td> 570K
代理商： W77E58-25
Preliminary W77E58
Publication Release Date: March 1999
- 55 - Revision A1
1/4
1/12
C/T = TMOD.2
(C/T = TMOD.6)
T0M = CKCON.3
(T1M = CKCON.4)
M1,M0 = TMOD.1,TMOD.0
(M1,M0 = TMOD.5,TMOD.4)
Interrupt
T0 = P3.4
(T1 = P3.5)
TH0
(TH1)
TL0
(TL1)
TF0
(TF1)
TR0 = TCON.4
(TR1 = TCON.6)
GATE = TMOD.3
(GATE = TMOD.7)
INT0 = P3.2
(INT1 = P3.3)
7
0
TFx
4
7
0
Timer 1 functions are shown in brackets
1
00
0
0
1
01
Clock Source
Mode input
div. by 4 osc/1
div. by 64 osc/16
div. by 1024 osc/256
Figure 11. Timer/Counter Mode 0 & Mode 1
MODE 1
Mode 1 is similar to Mode 0 except that the counting register forms a 16 bit counter, rather than a 13
bit counter. This means that all the bits of THx and TLx are used. Roll-over occurs when the timer
moves from a count of FFFFh to 0000h. The timer overflow flag TFx of the relevant timer is set and if
enabled an interrupt will occur. The selection of the time-base in the timer mode is similar to that in
Mode 0. The gate function operates similarly to that in Mode 0.
MODE 2
In Mode 2, the timer/counter is in the Auto Reload Mode. In this mode, TLx acts as a 8 bit count
register, while THx holds the reload value. When the TLx register overflows from FFh to 00h, the TFx
bit in TCON is set and TLx is reloaded with the contents of THx, and the counting process continues
from here. The reload operation leaves the contents of the THx register unchanged. Counting is
enabled by the TRx bit and proper setting of GATE and
INTx
pins. As in the other two modes 0 and 1
mode 2 allows counting of either clock cycles (clock/12 or clock/4) or pulses on pin Tn.
相關(guān)PDF資料
PDF描述
W77E58-40 8 BIT MICROCONTROLLER
W77E58F-25 8 BIT MICROCONTROLLER
W77E58F-40 8 BIT MICROCONTROLLER
W77E58P-25 8 BIT MICROCONTROLLER
W77E58P-40 8 BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W77E58-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58F-25 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58F-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58P-25 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E58P-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
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