IX
參數(shù)資料
型號(hào): MC68L11D0FNE2
廠商: Freescale Semiconductor
文件頁數(shù): 41/124頁
文件大小: 0K
描述: IC MCU 8BIT 192RAM 44-PLCC
標(biāo)準(zhǔn)包裝: 26
系列: HC11
核心處理器: HC11
芯體尺寸: 8-位
速度: 2MHz
連通性: SCI,SPI
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 26
程序存儲(chǔ)器類型: ROMless
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
CENTRAL PROCESSING UNIT
TECHNICAL DATA
3-3
Figure 3-2 Stacking Operations
SP
STACK
CCR
SP+1
ACCB
SP+2
ACCA
SP+3
IXH
SP+4
IXL
SP+5
IYH
SP+6
IYL
SP+7
RTNH
SP+8
SP+9
70
RTNL
PC
MAIN PROGRAM
$9D = JSR
JSR, JUMP TO SUBROUTINE
dd
NEXT MAIN INSTR.
RTN
DIRECT
PC
MAIN PROGRAM
$AD = JSR
ff
NEXT MAIN INSTR.
RTN
INDEXED, X
PC
MAIN PROGRAM
$18 = PRE
ff
NEXT MAIN INSTR.
RTN
INDEXED, Y
$AD = JSR
PC
MAIN PROGRAM
$BD = PRE
ll
NEXT MAIN INSTR.
RTN
INDEXED, Y
hh
JMP, JUMP
PC
MAIN PROGRAM
$6E = JMP
ff
NEXT MAIN INSTR.
X + ff
INDEXED, X
INDEXED, Y
EXTENDED
PC
MAIN PROGRAM
$18 = PRE
$6E = JMP
NEXT MAIN INSTR.
X + ff
ff
PC
MAIN PROGRAM
$7E = JMP
hh
NEXT MAIN INSTR.
hh ll
ll
SP
STACK
CCR
SP+1
ACCB
SP+2
ACCA
SP+3
IXH
SP+4
IXL
SP+5
IYH
SP+6
IYL
SP+7
RTNH
SP+8
SP+9
70
RTNL
PC
INTERRUPT ROUTINE
$3E = WAI
SP–9
STACK
CCR
SP–8
ACCB
SP–7
ACCA
SP–6
IXH
SP–5
IXL
SP–4
IYH
SP–3
IYL
SP–2
RTNH
SP–1
SP
70
RTNL
PC
MAIN PROGRAM
$3F = SWI
PC
MAIN PROGRAM
$3E = WAI
SWI, SOFTWARE INTERRUPT
WAI, WAIT FOR INTERRUPT
SP–2
STACK
RTNH
SP–1
RTNL
SP
70
PC
MAIN PROGRAM
$8D = BSR
PC
MAIN PROGRAM
$39 = RTS
BSR, BRANCH TO SUBROUTINE
RTS, RETURN FROM
SUBROUTINE
SP
STACK
RTNH
SP+1
RTNL
SP+2
70
LEGEND:
RTN = ADDRESS OF NEXT INSTRUCTION IN MAIN PROGRAM TO
BE EXECUTED UPON RETURN FROM SUBROUTINE
RTNH = MOST SIGNIFICANT BYTE OF RETURN ADDRESS
RTNL = LEAST SIGNIFICANT BYTE OF RETURN ADDRESS
= STACK POINTER POSITION AFTER OPERATION IS COMPLETE
dd = 8-BIT DIRECT ADDRESS ($0000–$00FF) (HIGH BYTE ASSUMED
TO BE $00)
ff = 8-BIT POSITIVE OFFSET $00 (0) TO $FF (256) IS ADDED TO INDEX
hh = HIGH-ORDER BYTE OF 16-BIT EXTENDED ADDRESS
ll = LOW-ORDER BYTE OF 16-BIT EXTENDED ADDRESS
rr= SIGNED RELATIVE OFFSET $80 (–128) TO $7F (+127) (OFFSET
RELATIVE TO THE ADDRESS FOLLOWING THE MACHINE CODE
OFFSET BYTE)
HC11 STACK OPERATIONS
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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