參數(shù)資料
型號(hào): TMP86CH09NG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP32
封裝: 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32
文件頁數(shù): 106/120頁
文件大?。?/td> 1743K
代理商: TMP86CH09NG
Page 75
TMP86FH09ANG
8.3.4 Window Mode
In the window mode, the up-counter counts up at the rising edge of the pulse that is logical ANDed product
of the input pulse to the TC1 pin (window pulse) and the internal source clock. Either the positive logic (count
up during high-going pulse) or negative logic (count up during low-going pulse) can be selected.
When a match between the up-counter and the TC1DRA value is detected, an INTTC1 interrupt is generated
and the up-counter is cleared.
Define the window pulse to the frequency which is sufficiently lower than the internal source clock pro-
grammed with TC1CR<TC1CK>.
Figure 8-5 Window Mode Timing Chart
Match detect
TC1DRA
INTTC1
interrput request
Internal clock
Counter
TC1DRA
TC1 pin input
Internal clock
Counter
TC1 pin input
INTTC1
(a) Positive logic (TC1S = 10)
(b) Negative logic (TC1S = 11)
?
Match detect
1
0
7
47
5
46
31
2
1
0
7
5
3
6
2
0
2
3
Counter clear
Timer start
89
0
1
9
Timer start
Counter
clear
Count start
Count stop
Count start
Count stop
Count start
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