参数资料
型号: MC68HC11A0CP3
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDIP48
封装: PLASTIC, DIP-48
文件页数: 25/158页
文件大小: 3803K
代理商: MC68HC11A0CP3
CPU, ADDRESSING MODES, AND INSTRUCTION SET
MC68HC11A8
10-22
TECHNICAL DATA
10
7-9
JSR
7
1
2
3
4
5
6
7
Opcode Address
Opcode Address + 1
Opcode Address + 2
$FFFF
(IY) + Offset
Stack Pointer
Stack Pointer – 1
1
0
Opcode (Page Select Byte)
($18)
Opcode (Second Byte) ($AD)
Index Offset
Irrelevant Data
First Opcode in Subroutine
Return Address (Low Byte)
Return Address (High Byte)
7-10
BCLR, BSET
8
1
2
3
4
5
6
7
8
Opcode Address
Opcode Address + 1
Opcode Address + 2
$FFFF
(IY) + Offset
Opcode Address + 3
$FFFF
(IY) + Offset
1
0
Opcode (Page Select Byte)
($18)
Opcode (Second Byte)
Index Offset
Irrelevant Data
Original Operand Data
Mask Byte
Irrelevant Data
Result Operand Data
7-11
BRCLR, BRSET
8
1
2
3
4
5
6
7
8
Opcode Address
Opcode Address + 1
Opcode Address + 2
$FFFF
(IY) + Offset
Opcode Address + 3
Opcode Address + 4
$FFFF
1
Opcode (Page Select Byte)
($18)
Opcode (Second Byte)
Index Offset
Irrelevant Data
Original Operand Data
Mask Byte
Branch Offset
Irrelevant Data
Table 10-8 Cycle-by-Cycle Operation — Relative Mode
Reference
Number*
Address Mode
and Instructions
Cycles Cycle
#
Address Bus
R/W
Line
Data Bus
8-1
BCC, BCS, BEQ,
BGE, BGT, BHI,
BHS, BLE, BLO,
BLS, BLT, BMI,
BNE, BPL, BRA,
BRN, BVC, BVS,
31
2
3
Opcode Address
Opcode Address + 1
$FFFF
1
Opcode
Branch Offset
Irrelevant Data
8-2
BSR
6
1
2
3
4
5
6
Opcode Address
Opcode Address + 1
$FFFF
Subroutine Address
Stack Pointer
Stack Pointer – 1
1
0
Opcode ($8D)
Branch Offset
Irrelevant Data
Opcode of Next Instruction
Return Address (Low Byte)
Return Address (High Byte)
*The reference number is given to provide a cross-reference to Table 10-1.
Table 10-7 Cycle-by-Cycle Operation — Indexed Y Mode (Sheet 2 of 2)
Reference
Number*
Address Mode
and Instructions
Cycles Cycle
#
Address Bus
R/W
Line
Data Bus
* The reference number is given to provide a cross-reference to Table 10-1.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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