參數(shù)資料
型號(hào): M34518M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 134/157頁
文件大?。?/td> 1783K
代理商: M34518M4-XXXFP
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 5
Interrupts (INTs)
5 – 17
5.2.16
Interrupt Request Register 7 (IRQ7)
Address: 0F01FH
Access: R/W
Access size: 8 bits
Initial value: 00H
7
6
5
4
3
2
1
0
IRQ7
Q2H
Q16H
R/W
Initial value
0
IRQ7 is a special function register (SFR) to request an interrupt for each interrupt source.
Each IRQ7 request flag is set to “1” regardless of the IE7 and MIE values when an interrupt is generated.
In this case,
an interrupt is requested to the CPU when the related flag of the interrupt enable register (IE7) is set to “1” and the
master interrupt enable flag (MIE) is set to “1”.
By setting the IRQ7 request flag to “1” by software, an interrupt can be generated.
The corresponding flag of IRQ7 is set to “0” by hardware when the interrupt request is accepted by the CPU.
[Description of Bits]
Q16H (bit 0)
Q16H is the request flag for the time base counter 8 Hz interrupt (T8HINT).
Q16H
Description
0
No request (initial value)
1
Request
Q2H (bit 3)
Q2H is the request flag for the time base counter 2 Hz interrupt (T2HINT).
Q2H
Description
0
No request (initial value)
1
Request
Note:
When an interrupt is generated by the instruction to write to the interrupt request register (IRQ7) or to the interrupt
enable register (IE7), the the interrupt shift cycle starts after the next 1 instruction is executed.
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