参数资料
型号: M30302GGPGP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-100
文件页数: 8/57页
文件大小: 649K
代理商: M30302GGPGP
2. Central Processing Unit (CPU)
Page 16 of 53
2.8.8
Stack Pointer Select Flag (U Flag)
ISP is selected when the U flag is “0”; USP is selected when the U flag is “1”.
The U flag is cleared to “0” when a hardware interrupt request is accepted or an INT instruction for software
interrupt Nos. 0 to 31 is executed.
2.8.9
Processor Interrupt Priority Level (IPL)
IPL is configured with three bits, for specification of up to eight processor interrupt priority levels from level 0
to level 7.
If a requested interrupt has priority greater than IPL, the interrupt is enabled.
2.8.10
Reserved Area
When write to this bit, write “0”. When read, its content is indeterminate.
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