參數(shù)資料
型號(hào): HC05V7GRS
英文描述: 68HC05V7 General Release Specification
中文描述: 68HC05V7一般版本規(guī)范
文件頁數(shù): 149/170頁
文件大?。?/td> 980K
代理商: HC05V7GRS
SECTION 16: INSTRUCTION SET
MOTOROLA
Page 135
of the bit tested is also placed in the carry bit of the condition code register. The bit set and
bit clear instructions are also read-modify-write instructions and should not be used to
manipulate write-only locations. Refer to the following list for bit manipulation instructions.
16.5
CONTROL INSTRUCTIONS
These instructions are register reference instructions and are used to control processor
operation during program execution. Refer to the following list for control instructions.
16.6
ADDRESSING MODES
The MCU uses ten different addressing modes to provide the programmer with an
opportunity to optimize the code for all situations. The various indexed addressing modes
make it possible to locate data tables, code conversion tables, and scaling tables anywhere
in the memory space. Short indexed accesses are single byte instructions; the longest
instructions (3 bytes) permit accessing tables throughout memory. Short and long absolute
addressing is also included. One- or 2-byte direct addressing instructions access all data
bytes in most applications. Extended addressing permits jump instructions to reach all
memory.
The term “effective address” (EA) is used in describing the various addressing modes.
Effective address is defined as the address from which the argument for an instruction is
fetched or stored.
Function
Set Bit n
Clear Bit n
Branch if Bit n is Set
Branch if bit n is Clear
Mnemonic
BSET n (n = 0. . .7)
BCLR n (n = 0. . .7)
BRSET n (n = 0. . .7)
BRCLR n (n = 0. . .7)
Function
Transfer A to X
Transfer X to A
Set Carry Bit
Clear Carry Bit
Set Interrupt Mask Bit
Clear Interrupt Mask Bit
Software Interrupt
Return from Subroutine
Return from Interrupt
Reset Stack Pointer
No-Operation
Stop
Mnemonic
TAX
TXA
SEC
CLC
SEI
CLI
SWI
RTS
RTI
RSP
NOP
STOP
Wait
WAIT
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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