Contents
Main
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IEBus is a trademark of NEC Corporation.
NOTES FOR CMOS DEVICES
4
Regional Information
NEC Electronics Hong Kong Ltd.
Device availability
Ordering information
Product release schedule
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INTRODUCTION
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1.7 Special Function Register (SFR) Area
1.8 External Memory Space
1.9 IEBusTM Register Area
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CHAPTER 2 REGISTERS 2.1 Control Registers
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Figure 2-5. Data to Be Reset from Stack Memory
2.2 General-Purpose Registers
CHAPTER 2 REGISTERS
Figure 2-6. General-Purpose Register Configuration (a) Absolute names
(b) Functional names
2.3 Special Function Registers (SFRs)
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CHAPTER 3 ADDRESSING 3.1 Instruction Address Addressing
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3.2 Operand Address Addressing
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CHAPTER 4 INSTRUCTION SET
4.1 Operation
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CHAPTER 4 INSTRUCTION SET
Note Except r = A.
CHAPTER 4 INSTRUCTION SET
Note Only when rp = BC, DE or HL.
(2) 16-bit instructions MOVW, XCHW, ADDW, SUBW, CMPW, PUSH, POP, INCW, DECW
(3) Bit manipulation instructions MOV1, AND1, OR1, XOR1, SET1, CLR1, NOT1, BT, BF, BTCLR
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4.2 Instruction Codes
4.2.2 Instruction code list
Notes 1. Only when rp = BC, DE or HL. 2. Except r = A.
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MOV
XCH
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MOVW
XCHW
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ADD
ADDC
SUB
SUBC
AND
OR
XOR
CMP
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ADDW
SUBW
CMPW
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MULU
DIVUW
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INC
DEC
INCW
DECW
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ROR
ROL
RORC
ROLC
ROR4
ROL4
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ADJBA
ADJBS
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MOV1
AND1
OR1
XOR1
SET1
CLR1
NOT1
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CALL
CALLF
CALLT
BRK
RET
RETI
RETB
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PUSH
POP
MOVW SP , src MOVW AX, SP
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BR
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BC
BNC
BZ
BNZ
BT
BF
BTCLR
DBNZ
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SEL RBn
NOP
EI
DI
HALT
STOP
APPENDIX A REVISION HISTORY
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APPENDIX B INSTRUCTION INDEX (MNEMONIC: BY FUNCTION)
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126
APPENDIX C INSTRUCTION INDEX (MNEMONIC: IN ALPHABETICAL ORDER)
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