SH7785 datasheet(138/1692 Pages) RENESAS

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SH7785 Datasheet(PDF) 138 Page - Renesas Technology Corp

Part #	SH7785

Description	32-Bit RISC Microcomputer

PDF	1692 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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138 / 1692 page

5. Exception Handling

Rev.1.00 Jan. 10, 2008 Page 108 of 1658

REJ09B0261-0100

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

and SSR. The R15 contents at this time are saved in SGR.

Exception code H'0A0 (for a read access) or H'0C0 (for a write access) 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.

Data_TLB_protection_violation_exception()

{

TEA = EXCEPTION_ADDRESS;

PTEH.VPN = PAGE_NUMBER;

SPC = PC;

SSR = SR;

SGR = R15;

EXPEVT = read_access ? H'0000 00A0 : H'0000 00C0;

SR.MD = 1;

SR.RB = 1;

SR.BL = 1;

PC = VBR + H'0000 0100;

}

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