ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 217

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72521xx-Auto
Table 123. Instruction set overview (continued)
JRUGT Jump if (C + Z = 0)
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
Mnemo
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
Subtract with Carry
Set carry flag
Disable Interrupts
Shift left Arithmetic
Shift left Logic
Shift right Logic
Shift right Arithmetic
Subtraction
SWAP nibbles
Test for Neg & Zero
S/W trap
Wait for Interrupt
Exclusive OR
Description
Unsigned >
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
Doc ID 17660 Rev 1
reg, M
A, X, Y
reg, M
A
reg
CC
M
reg, M
reg, M
A
reg, M
reg, M
reg, M
reg, M
A
reg, M
A
Dst
M
M
M
reg, CC
M
M, reg
X, Y, A
M
M
Src
I1
I1
1
1
1
1
H
H
0
I0
I0
0
1
1
0
Instruction set
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
0
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Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
C
C
C
C
C
C
C
C
C
C
C
0
0
1