SH7706 Datasheet, PDF (65/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 2 CPU
2.1.4 Control Registers
Control registers can be accessed in privileged mode using the LDC and STC instructions. The
GBR register can also be accessed in user mode. There are five control registers, as follows:
• Status register (SR)
• Saved status register (SSR)
• Saved program counter (SPC)
• Global base register (GBR)
• Vector base register (VBR)
The control register configuration is shown in figure 2.4.
Status Register (SR)
31
0
SR
Saved Status Register (SSR)
31
0
SSR
Saved Program Counter (SPC)
31
0
SPC
Global Base Register (GBR)
31
0
GBR
Vector Base Register (VBR)
31
0
VBR
Figure 2.4 Control Registers
Rev. 5.00 May 29, 2006 page 17 of 698
REJ09B0146-0500