參數(shù)資料
型號： MC68HC11D3CFN2
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 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 68/138頁
文件大?。?/td> 1047K
代理商： MC68HC11D3CFN2
CPU Registers
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
35
Figure 3-2. Stacking Operations
SP-9
STACK
SP-1
ACMLTR A
ACMLTR B
CONDITION CODE
SP-2
SP-3
SP-4
SP-5
SP-6
SP-7
SP-8
INDEX REGISTER (YL)
INDEX REGISTER (YH)
INDEX REGISTER (XL)
INDEX REGISTER (XH)
RTNL
RTNH
STACK
SP-2
SP-1
SP
RTNL
RTNH
STACK
SP-2
SP-1
SP
RTNL
RTNH
$9D = JSR
dd
NEXT MAIN INSTR
DIRECT
MAIN PROGRAM
$AD = JSR
ff
NEXT MAIN INSTR
INDXD,X
MAIN PROGRAM
PC
RTN
PC
RTN
$18 = PRE
ff
NEXT MAIN INSTR
INDXD,Y
MAIN PROGRAM
PC
RTN
$AD = JSR
$BD = JSR
ll
NEXT MAIN INSTR
EXTEND
MAIN PROGRAM
PC
RTN
hh
$8D = BSR
rr
NEXT MAIN INSTR
MAIN PROGRAM
$39 = RTS
SUBROUTINE
PC
RTN
PC
BSR, BRANCH TO SUBROUTINE
STACK
SP
SP+1
SP+2
RTS, RETURN FROM SUBROUTINE
$3F = SWI
MAIN PROGRAM
PC
SWI, SOFTWARE INTERRUPT
RTN
$3E = WAI
MAIN PROGRAM
PC
WAI, WAIT FOR INTERRUPT
RTN
$3B = RTI
INTERRUPT PROGRAM
PC
STACK
SP+1
SP
RTI, RETURN FROM INTERRUPT
ACMLTR A
ACMLTR B
CONDITION CODE
SP+2
SP+3
SP+4
SP+5
SP+6
SP+7
SP+8
SP+9
LEGEND:
RTN
RTNH
RTNL
dd
ff
hh
ll
rr
Address of next instruction in main program to be
executed upon return from subroutine
Most significant byte of return address
Least significant byte of return address
8-bit direct address ($0000–$00FF) (high byte
assumed to be $00).
8-bit positive offset $00 (0) to $FF (256) is added
to index.
High-order byte of 16-bit extended address.
Low-order byte of 16-bit extended address.
Signed-relative offset $80 (–128) to $7F (+127)
(offset relative to the address following the
machine code offset byte).
JSR, JUMP TO SUBROUTINE
Shaded cells show stack pointer position after
operation is complete.
RTNL
RTNH
INDEX REGISTER (YL)
INDEX REGISTER (YH)
INDEX REGISTER (XL)
INDEX REGISTER (XH)
RTNL
RTNH
SP
$6E = JMP
ff
MAIN PROGRAM
NEXT INSTRUCTION
INDXD,X
PC
X + ff
$18 = PRE
ff
MAIN PROGRAM
PC
$6E = JMP
JMP, JUMP
NEXT INSTRUCTION
X + ff
INDXD,Y
$7E = JMP
ll
MAIN PROGRAM
PC
hh
NEXT INSTRUCTION
hh ll
EXTND
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