HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 50

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 2 CPU
Rev.1.00 Sep. 18, 2008 Page 16 of 522
REJ09B0069-0100
Notes: 1. R0 functions as an index register in the indirect indexed register addressing mode and indirect indexed GBR
2. R15 functions as a hardware stack pointer (SP) during exception processing.
addressing mode. In some instructions, R0 functions as a fixed source register or destination register.
General registers (Rn)
Status register (SR)
Global base register (GBR)
Vector base register (VBR)
Multiply-accumulate register (MAC)
Procedure register (PR)
Program counter (PC)
Figure 2.1 CPU Internal Registers
31
31
31
31
31
31
31
R15, SP (hardware stack pointer)
M
9 8 7 6 5 4 3 2 1 0
MACH
MACL
GBR
VBR
Q I3 I2 I1 I0
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
PR
PC
*1
*2
S T
0
0
0
0
0
0