HD6417750SBP200 参数 Datasheet PDF下载

型号：	HD6417750SBP200
PDF下载：	下载PDF文件查看货源
内容描述：	的SuperH RISC引擎 [SuperH RISC engine]
分类和应用：	外围集成电路时钟
文件页数/大小：	1039 页 / 6201 K
品牌：	RENESAS [ RENESAS TECHNOLOGY CORP ]

(14) FPU Exception

•

Source: Exception due to execution of a floating-point operation

Transition address: VBR + H'0000 0100

Transition operations:

The PC and SR contents for the instruction at which this exception occurred are saved in SPC

and SSR, and the contents of R15 are saved in SGR. Exception code H'120 is set in EXPEVT.

The BL, MD, and RB bits are set to 1 in SR, and a branch is made to PC = VBR + H'0100.

FPU_exception()

{

SPC = PC;

SSR = SR;

SGR = R15;

EXPEVT = H'00000120;

SR.MD = 1;

SR.RB = 1;

SR.BL = 1;

PC = VBR + H'00000100;

}

Rev. 6.0, 07/02, page 154 of 986