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| 型號： | MC68HC05LJ5P |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 55/85頁 |
| 文件大?。?/td> | 899K |
| 代理商： | MC68HC05LJ5P |
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November 10, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05LJ5
INSTRUCTION SET
MOTOROLA
REV 1
9-7
9.1.13 Bit Manipulation Instructions
The CPU can set or clear any writable bit in the rst 256 bytes of memory. Port
registers, port data direction registers, timer registers, and on-chip RAM locations
are in the rst 256 bytes of memory. The CPU can also test and branch based on
the state of any bit in any of the rst 256 memory locations. Bit manipulation
instructions use direct addressing. Table 9-4 lists these instructions.
9.1.14 Control Instructions
These register reference instructions control CPU operation during program
execution. Control instructions, listed in Table 9-5, use inherent addressing.
Table 9-4. Bit Manipulation Instructions
Instruction
Mnemonic
Clear Bit
BCLR
Branch if Bit Clear
BRCLR
Branch if Bit Set
BRSET
Set Bit
BSET
Table 9-5. Control Instructions
Instruction
Mnemonic
Clear Carry Bit
CLC
Clear Interrupt Mask
CLI
No Operation
NOP
Reset Stack Pointer
RSP
Return from Interrupt
RTI
Return from Subroutine
RTS
Set Carry Bit
SEC
Set Interrupt Mask
SEI
Stop Oscillator and Enable IRQ Pin
STOP
Software Interrupt
SWI
Transfer Accumulator to Index Register
TAX
Transfer Index Register to Accumulator
TXA
Stop CPU Clock and Enable Interrupts
WAIT
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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