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ST7263BEx 데이터시트(PDF) 132 Page - STMicroelectronics

부품명 ST7263BEx
상세설명  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
PDF  186 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263BEx 데이터시트(HTML) 132 Page - STMicroelectronics

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Instruction set
ST7263Bxx
132/186
Doc ID 7516 Rev 8
12.1.2
Immediate instructions
Immediate instructions have two bytes, the first byte contains the opcode, the second byte
contains the operand value.
12.1.3
Direct
In Direct instructions, the operands are referenced by their memory address.
The direct addressing mode consists of two sub-modes:
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.
12.1.4
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 indirect addressing mode consists of three sub-modes:
Indexed (No Offset)
There is no offset, (no extra byte after the opcode), and allows 00 - FF addressing space.
CPL, NEG
1 or 2 Complement
MUL
Byte Multiplication
SLL, SRL, SRA, RLC, RRC
Shift and Rotate Operations
SWAP
Swap Nibbles
Table 49.
Inherent instructions (continued)
Inherent instruction
Function
Table 50.
Immediate instructions
Immediate instruction
Function
LD
Load
CP
Compare
BCP
Bit Compare
AND, OR, XOR
Logical Operations
ADC, ADD, SUB, SBC
Arithmetic Operations



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