参数资料
型号: R5F35630KFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, LQFP-64
文件页数: 34/117页
文件大小: 0K
代理商: R5F35630KFF
REJ03B0221-0100 Rev.1.00 Feb 08, 2010
Page 21 of 113
M16C/5L Group, M16C/56 Group
2. Central Processing Unit (CPU)
2.1.8.6
Overflow Flag (O Flag)
The O flag becomes set to 1 when an arithmetic operation results in an overflow; otherwise it becomes
0.
2.1.8.7
Interrupt Enable Flag (I Flag)
The I flag enables maskable interrupts.
Maskable interrupts are disabled when the I flag is 0, and enabled when it is 1. The I flag is 0 when an
interrupt request is acknowledged.
2.1.8.8
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 becomes 0 when a hardware interrupt request is acknowledged or the INT instruction of
software interrupt number 0 to 31 is executed.
2.1.8.9
Processor Interrupt Priority Level (IPL)
IPL is a 3-bit register and assigns processor interrupt priority levels from 0 to 7.
If a requested interrupt has a higher priority than IPL, the interrupt is enabled.
2.1.8.10
Reserved Areas
Only write 0 to bits assigned as reserved areas. The read value is undefined.
相关PDF资料
PDF描述
R5F35L33JFF 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP64
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