2
2-12
32180 Group User’s Manual (Rev.1.0)
CPU
2.6 Data Formats
(5) Transfer from memory (signed) to registers
• Signed 32 bits
LD24 Rsrc, #label
LD Rdest,
@Rsrc
• Signed 16 bits
LD24 Rsrc, #label
LDH Rdest,
@Rsrc
• Signed 8 bits
LD24 Rsrc, #label
LDB Rdest,
@Rsrc
label
Rdest
b31
b0
+0
+1
+2
+3
Rdest
label
00
00
FF
FF
Determined by MSB
b31
b0
+0
+1
+2
+3
Rdest
label
00
00
00
FF
FF
FF
b31
b0
+0
+1
+2
+3
Determined by MSB
Memory
Register
0: Positive number
1: Negative number
0: Positive number
1: Negative number
• Unsigned 32 bits
LD24 Rsrc, #label
LD Rdest,
@Rsrc
• Unsigned 16 bits
LD24 Rsrc, #label
LDUB Rdest, @Rsrc
• Unsigned 8 bits
LD24 Rsrc, #label
LDUH Rdest, @Rsrc
Rdest
00
00
b31
b0
label
+0
+1
+2
+3
label
+0
+1
+2
+3
Rdest
b31
b0
label
+0
+1
+2
+3
Rdest
00
00
00
b31
b0
Memory
Register
Figure 2.6.7 Transfer from Memory (Signed) to Registers
(6) Transfer from memory (unsigned) to registers
Figure 2.6.8 Transfer from Memory (Unsigned) to Registers
Содержание M32R/ECU Series
Страница 17: ...12 This page is blank for reasons of layout...
Страница 18: ...CHAPTER 1 OVERVIEW 1 1 Outline of the 32180 Group 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Assignments...
Страница 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Страница 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Страница 795: ...22 22 2 32180 Group User s Manual Rev 1 0 TYPICAL CHARACTERISTICS To be written at a later time...
Страница 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Страница 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Страница 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...