ST72321AR STMICROELECTRONICS [STMicroelectronics], ST72321AR Datasheet - Page 137
ST72321AR
Manufacturer Part Number
ST72321AR
Description
64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72321AR.pdf
(189 pages)
- Current page: 137 of 189
- Download datasheet (5Mb)
INSTRUCTION SET OVERVIEW (Cont’d)
Mnemo
JRULE
LD
MUL
NEG
NOP
OR
POP
PUSH
RCF
RET
RIM
RLC
RRC
RSP
SBC
SCF
SIM
SLA
SLL
SRL
SRA
SUB
SWAP
TNZ
TRAP
WFI
XOR
Jump if (C + Z = 1)
Load
Multiply
Negate (2's compl)
No Operation
OR operation
Pop from the Stack
Push onto the Stack
Reset carry flag
Subroutine Return
Enable Interrupts
Rotate left true C
Rotate right true C
Reset Stack Pointer
Substract with Carry
Set carry flag
Disable Interrupts
Shift left Arithmetic
Shift left Logic
Shift right Logic
Shift right Arithmetic
Substraction
SWAP nibbles
Test for Neg & Zero
S/W trap
Wait for Interrupt
Exclusive OR
Description
Unsigned <=
dst <= src
X,A = X * A
neg $10
A = A + M
pop reg
pop CC
push Y
C = 0
I1:0 = 10 (level 0)
C <= A <= C
C => A => C
S = Max allowed
A = A - M - C
C = 1
I1:0 = 11 (level 3)
C <= A <= 0
C <= A <= 0
0 => A => C
A7 => A => C
A = A - M
A7-A4 <=> A3-A0
tnz lbl1
S/W interrupt
A = A XOR M
Function/Example
reg, M
reg, M
CC
M
reg, M
reg, M
A
A, X, Y
A
reg
reg, M
reg, M
A
reg, M
reg, M
reg, M
A
Dst
M, reg
X, Y, A
M
M
M
reg, CC
M
M
M
Src
I1
I1
1
1
1
1
H
H
0
I0
I0
0
1
1
0
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
0
ST72321
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
137/189
C
C
C
C
C
C
C
C
C
C
C
0
0
1
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