Figure 2.1 Register Configuration In Each Processing Mode (1) - Renesas HD6417641 Hardware Manual

32-bit risc microcomputer superh risc engine family / sh7641 series
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31
R0_BANK1*
R1_BANK1*
R2_BANK1*
R3_BANK1*
R4_BANK1*
R5_BANK1*
R6_BANK1*
R7_BANK1*
R0_BANK0*
R1_BANK0*
R2_BANK0*
R3_BANK0*
R4_BANK0*
R5_BANK0*
R6_BANK0*
R7_BANK0*
(a) Register configuration for DSP
mode and non_DSP mode (RB = 1)
Notes: 1. The R0 register is used as an index register in indexed register indirect addressing mode
and indexed GBR indirect addressing mode.
2. Bank register
Accessed as a general register when the RB bit is set to 1 in the SR register.
Accessed only by LDC/STC instructions when the RB bit is cleared to 0.
3. Bank register
Accessed as a general register when the RB bit is cleared to 0 in the SR register.
Accessed only by LDC/STC instructions when the RB bit is set to 1.

Figure 2.1 Register Configuration in Each Processing Mode (1)

0
, *
1
2
2
2
2
2
2
2
2
R8
R9
R10
R11
R12
R13
R14
R15
SR
SSR
GBR
MACH
MACL
PR
VBR
PC
SPC
, *
1
3
3
3
3
3
3
3
3
31
, *
1
3
R0_BANK0*
3
R1_BANK0*
3
R2_BANK0*
3
R3_BANK0*
3
R4_BANK0*
3
R5_BANK0*
3
R6_BANK0*
3
R7_BANK0*
R8
R9
R10
R11
R12
R13
R14
R15
SR
SSR
GBR
MACH
MACL
PR
VBR
PC
SPC
, *
1
R0_BANK1*
2
R1_BANK1*
2
R2_BANK1*
2
R3_BANK1*
2
R4_BANK1*
2
R5_BANK1*
2
R6_BANK1*
2
R7_BANK1*
(b) Register configuration for DSP
mode and non_DSP mode (RB = 0)
Rev. 4.00 Sep. 14, 2005 Page 27 of 982
Section 2 CPU
0
2
REJ09B0023-0400

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