ST72321AR9-Auto STMicroelectronics, ST72321AR9-Auto Datasheet - Page 178

• Manufacturer Part Number: ST72321AR9-Auto
• Description: 8-bit MCU for automotive with 60 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR9-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

Instruction set
18.1.1
178/243
Table 97.
Inherent
All Inherent instructions consist of a single byte. The opcode fully specifies all the required
information for the CPU to process the operation.
Table 98.
Long
Relative
Relative
Bit
Bit
Bit
Bit
NOP
TRAP
WFI
HALT
RET
IRET
SIM
RIM
SCF
RCF
RSP
LD
CLR
PUSH/POP
INC/DEC
TNZ
CPL, NEG
MUL
SLL, SRL, SRA, RLC, RRC
SWAP
Indirect
Direct
Indirect
Direct
Indirect
Direct
Indirect
CPU addressing mode overview (continued)
Mode
Inherent instructions
Instruction
Indexed
Relative
Relative
Doc ID 13829 Rev 1
ld A,([$10.w],X)
jrne loop
jrne [$10]
bset $10,#7
bset [$10],#7
btjt $10,#7,skip
btjt [$10],#7,skip 00..FF
Syntax
No operation
S/W Interrupt
Wait For Interrupt (Low Power Mode)
Halt Oscillator (Lowest Power Mode)
Sub-routine Return
Interrupt Sub-routine Return
Set Interrupt Mask (level 3)
Reset Interrupt Mask (level 0)
Set Carry Flag
Reset Carry Flag
Reset Stack Pointer
Load
Clear
Push/Pop to/from the stack
Increment/Decrement
Test Negative or Zero
1 or 2 Complement
Byte Multiplication
Shift and Rotate Operations
Swap Nibbles
0000..FFFF
PC+/-127
PC+/-127
00..FF
00..FF
00..FF
Destination
address
Function
Pointer
00..FF
00..FF
00..FF
00..FF
(Hex.)
Pointer
(Hex.)
word
ST72321xx-Auto
size
byte
byte
byte
Length
(bytes)
+ 2
+ 1
+ 2
+ 1
+ 2
+ 2
+ 3