參數(shù)資料
型號: S1C60L02
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, PQFP60
文件頁數(shù): 68/102頁
文件大?。?/td> 674K
代理商: S1C60L02
60
EPSON
S1C60N02 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)
Table 4.10.1 shows the factors that generate interrupt
requests.
The interrupt factor flags are set to "1" depending on the
corresponding interrupt factors.
The CPU is interrupted when the following two conditions
occur and an interrupt factor flag is set to "1".
The corresponding mask register is "1" (enabled)
The interrupt flag is "1" (EI)
The interrupt factor flag is a read-only register, but can be
reset to "0" when the register data is read.
After an initial reset, the interrupt factor flags are reset to
"0".
Interrupt factors
Reading of interrupt factor flags is available at EI, but be careful in
the following cases.
If the interrupt mask register value corresponding to the interrupt
factor flags to be read is set to "1", an interrupt request will be
generated by the interrupt factor flags set timing, or an interrupt
request will not be generated. Be very careful when interrupt factor
flags are in the same address.
Note
Table 4.10.1
Interrupt factors
Interrupt factor
Colck timer 2 Hz falling edge
Colck timer 8 Hz falling edge
Colck timer 32 Hz falling edge
A/D converter
A/D conversion completion
Input data (K00–K03)
Rising edge
Interrupt factor flag
IT2
IT8
IT32
IAD
IK0
(0F0H D0)
(0EDH D0)
(0EFH D2)
(0EFH D1)
(0EFH D0)
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