ST72325R6-AUTO STMicroelectronics, ST72325R6-AUTO Datasheet - Page 188
ST72325R6-AUTO
Manufacturer Part Number
ST72325R6-AUTO
Description
8-bit Mcu For Automotive With 16 To 60 Kbyte Flash, Adc, Css, 5 Timers, Spi, Sci, I2c Interface
Manufacturer
STMicroelectronics
Datasheet
1.ST72325R6-AUTO.pdf
(250 pages)
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Instruction set
18.1.2
18.1.3
18.1.4
188/250
Immediate
Immediate instructions have 2 bytes. The first byte contains the opcode and the second byte
contains the operand value.
Table 99.
Direct
In Direct instructions, the operands are referenced by their memory address.
The direct addressing mode consists of two submodes:
Direct (short)
The address is a byte, thus requires only one byte after the opcode, but only allows 00 - FF
addressing space.
Direct (long)
The address is a word, thus allowing 64 Kbyte addressing space, but requires 2 bytes after
the opcode.
Indexed (no offset, short, long)
In this mode, the operand is referenced by its memory address, which is defined by the
unsigned addition of an index register (X or Y) with an offset.
The indexed addressing mode consists of three submodes:
Indexed (no offset)
There is no offset, (no extra byte after the opcode), and allows 00 - FF addressing space.
Indexed (short)
The offset is a byte, thus requires only one byte after the opcode and allows 00 - 1FE
addressing space.
Indexed (long)
The offset is a word, thus allowing 64 Kbyte addressing space and requires 2 bytes after the
opcode.
LD
CP
BCP
AND, OR, XOR
ADC, ADD, SUB, SBC
Immediate instructions
Instruction
Load
Compare
Bit Compare
Logical Operations
Arithmetic Operations
Function
ST72325xxx-Auto
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