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ST7DALIF2 Datasheet(PDF) 122 Page - STMicroelectronics

Part # ST7DALIF2
Description  Configurable watchdog timer
PDF  171 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7DALIF2 Datasheet(HTML) 122 Page - STMicroelectronics

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Instruction set
ST7DALIF2
122/171
Indirect (short)
The pointer address is a byte, the pointer size is a byte, thus allowing 00 - FF addressing
space, and requires 1 byte after the opcode.
Indirect (long)
The pointer address is a byte, the pointer size is a word, thus allowing 64 Kbyte addressing
space, and requires 1 byte after the opcode.
19.1.6
Indirect indexed (short, long)
This is a combination of indirect and short indexed addressing modes. The operand is
referenced by its memory address, which is defined by the unsigned addition of an index
register value (X or Y) with a pointer value located in memory. The pointer address follows
the opcode.
The indirect indexed addressing mode consists of two submodes:
Indirect indexed (short)
The pointer address is a byte, the pointer size is a byte, thus allowing 00 - 1FE addressing
space, and requires 1 byte after the opcode.
Indirect indexed (long)
The pointer address is a byte, the pointer size is a word, thus allowing 64 Kbyte addressing
space, and requires 1 byte after the opcode.
I
Table 58.
Instructions supporting direct, indexed, indirect and indirect indexed
addressing modes
Instructions
Function
Long and short
LD
Load
CP
Compare
AND, OR, XOR
Logical operations
ADC, ADD, SUB, SBC
Arithmetic Additions/Subtractions operations
BCP
Bit Compare
Short only
CLR
Clear
INC, DEC
Increment/Decrement
TNZ
Test Negative or Zero
CPL, NEG
1 or 2 Complement
BSET, BRES
Bit operations
BTJT, BTJF
Bit Test and Jump operations
SLL, SRL, SRA, RLC, RRC
Shift and Rotate operations
SWAP
Swap nibbles
CALL, JP
Call or Jump sub-routine



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