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參數(shù)資料
| 型號： | ST72121J4 |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 80/93頁 |
| 文件大?。?/td> | 915K |
| 代理商： | ST72121J4 |
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ST72E121 ST72T121
INSTRUCTION GROUPS
(Cont’d)
Mnemo
Description
Function/Example
Dst
Src
H
I
N
Z
C
ADC
Add with Carry
A = A + M + C
A
M
H
N
Z
C
ADD
Addition
A = A + M
A
M
H
N
Z
C
AND
Logical And
A = A . M
A
M
N
Z
BCP
Bit compare A, Memory
tst (A . M)
A
M
N
Z
BRES
Bit Reset
bres Byte, #3
M
BSET
Bit Set
bset Byte, #3
M
BTJF
Jump if bit is false (0)
btjf Byte, #3, Jmp1
M
C
BTJT
Jump if bit is true (1)
btjt Byte, #3, Jmp1
M
C
CALL
Call subroutine
CALLR
Call subroutine relative
CLR
Clear
reg, M
0
1
CP
Arithmetic Compare
tst(Reg - M)
reg
M
N
Z
C
CPL
One Complement
A = FFH-A
reg, M
N
Z
1
DEC
Decrement
dec Y
reg, M
N
Z
HALT
Halt
0
IRET
Interrupt routine return
Pop CC, A, X, PC
H
I
N
Z
C
INC
Increment
inc X
reg, M
N
Z
JP
Absolute Jump
jp [TBL.w]
JRA
Jump relative always
JRT
Jump relative
JRF
Never jump
jrf *
JRIH
Jump if ext. interrupt = 1
JRIL
Jump if ext. interrupt = 0
JRH
Jump if H = 1
H = 1
JRNH
Jump if H = 0
H = 0
JRM
Jump if I = 1
I = 1
JRNM
Jump if I = 0
I = 0
JRMI
Jump if N = 1 (minus)
N = 1
JRPL
Jump if N = 0 (plus)
N = 0
JREQ
Jump if Z = 1 (equal)
Z = 1
JRNE
Jump if Z = 0 (not equal)
Z = 0
JRC
Jump if C = 1
C = 1
JRNC
Jump if C = 0
C = 0
JRULT
Jump if C = 1
Unsigned <
JRUGE
Jump if C = 0
Jmp if unsigned >=
JRUGT
Jump if (C + Z = 0)
Unsigned >
80
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