r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 106
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
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Section 2 Programming Model
Table 2.1
Note:
The CPU register configuration in each processing mode is shown in figure 2.2.
User mode and privileged mode are switched by the processing mode bit (MD) in the status
register.
Rev. 1.00 Oct. 01, 2007 Page 40 of 1956
REJ09B0256-0100
Type
General registers R0_BANK0 to R7_BANK0,
Control registers
System registers
Floating-point
registers
*
Initialized by a power-on reset and manual reset.
Initial Register Values
Registers
R0_BANK1 to R7_BANK1,
R8 to R15
SR
GBR, SSR, SPC, SGR, DBR Undefined
VBR
MACH, MACL, PR
PC
FR0 to FR15, XF0 to XF15,
FPUL
FPSCR
Initial Value*
Undefined
MD bit = 1, RB bit = 1, BL bit = 1, FD bit = 0,
IMASK = B'1111, reserved bits = 0,
others = undefined
H'00000000
Undefined
H'A0000000
Undefined
H'00040001
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