參數(shù)資料
型號(hào): S1C6S460D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC124
封裝: 4.69 X 4.68 MM, DIE-124
文件頁(yè)數(shù): 66/107頁(yè)
文件大?。?/td> 788K
代理商: S1C6S460D
S1C6S460 TECHNICAL MANUAL
EPSON
53
CHAPTER 8: TIMERS
8.2.3 Interrupt function
Stopwatch timers SWL and SWH, through their respective overflows, can generate 10 Hz (approximate 10
Hz) and 1 Hz interrupts.
Figure 8.2.3.1 shows the timing chart for the stopwatch timer.
Address
Register
Stopwatch timer (SWL) timing chart
Stopwatch timer (SWH) timing chart
10 Hz interrupt request
1 Hz interrupt request
F23H
1/10sec
(BCD)
F22H
1/100sec
(BCD)
D0
D1
D2
D3
D0
D1
D2
D3
Fig. 8.2.3.1 Timing chart for stopwatch timer
The stopwatch interrupts are generated by the overflow of their respective counters SWL and SWH
(changing "9" to "0"). At this time, the corresponding interrupt factor flags (ISW0 and ISW1) are set to "1".
The respective interrupts can be masked separately through the interrupt mask registers (EISW0 and
EISW1). However, regardless of the setting of the interrupt mask registers, the interrupt factor flags are
set to "1" by the overflow of their corresponding counters.
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