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EF6805U3FND View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
EF6805U3FND 8-BIT MICROCOMPUTER UNIT ST-Microelectronics
STMicroelectronics ST-Microelectronics
EF6805U3FND Datasheet PDF : 31 Pages
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EF6805U3
Table 5 : Control Instructions.
Function
Transfer A to X
Transfer X to A
Set Carry Bit
Clear Carry Bit
Set Interrupt Mask Bit
Clear Interrupt Mask Bit
Software Interrupt
Return from Subroutine
Return from Interrupt
Reset Stack Pointer
No-operation
Mnemonic
TAX
TXA
SEC
CLC
SEI
CLI
SWI
RTS
RTI
RSP
NOP
Op
Code
97
9F
99
98
9B
9A
83
81
80
9C
9D
Inherent
#
Bytes
1
1
1
1
1
1
1
1
1
1
1
#
Cycles
2
2
2
2
2
2
11
6
9
2
2
Table 6 : Instruction Set.
Addressing Modes
Mnem Inherent Immediate
Direct
Extended
Relative
Indexed Indexed
(no offset) (8 Bits)
Indexed
Bit
(16 Bits) Set/Clear
ADC
ADD
AND
ASL
X
ASR
X
BCC
BCLR
BCS
BEQ
BHCC
BHCS
BHI
BHS
BIH
BIL
BIT
BLO
BLS
BMC
BMI
BMS
BNE
BPL
BRA
BRN
BRCLR
BRSET
BSET
BSR
CLL
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Bit
Test &
Branch
X
X
Condition Code
H I NZC
q ∧ ∧ ∧
q ∧ ∧ ∧
qq ∧ ∧q
qq ∧ ∧ ∧
qq ∧ ∧ ∧
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qq ∧ ∧q
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqqq
qqqq
qqqq
qqqqq
qqqqq
qqqq 0
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