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參數(shù)資料
| 型號： | COP688CL |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-Bit Microcontroller(8位微控制器) |
| 中文描述： | 8位微控制器（8位微控制器） |
| 文件頁數(shù)： | 29/41頁 |
| 文件大?。?/td> | 565K |
| 代理商： | COP688CL |
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Addressing Modes
(Continued)
Absolute Long
This mode is used with the JMPL and JSRL instructions, with
the instruction field of 15 bits replacing the entire 15 bits of
the program counter (PC). This allows jumping to any loca-
tion in the current 4k program memory space.
Indirect
This mode is used with the JID instruction. The contents of
the accumulator are used as a partial address (lower 8 bits of
PC) for accessing a location in the program memory. The
Instruction Set
contents of this program memory location serve as a partial
address (lower 8 bits of PC) for the jump to the next instruc-
tion.
Note:
The VIS is a special case of the Indirect Transfer of Control addressing
mode, where the double byte vector associated with the interrupt is
transferred from adjacent addresses in the program memory into the
program counter (PC) in order to jump to the associated interrupt
service routine.
Register and Symbol Definition
Registers
A
B
X
SP
PC
PU
PL
C
HC
GIE
8-Bit Accumulator Register
8-Bit Address Register
8-Bit Address Register
8-Bit Stack Pointer Register
15-Bit Program Counter Register
Upper 7 Bits of PC
Lower 8 Bits of PC
1 Bit of PSW Register for Carry
1 Bit of PSW Register for Half Carry
1 Bit of PSW Register for Global Interrupt
Enable
Interrupt Vector Upper Byte
Interrupt Vector Lower Byte
VU
VL
Symbols
[B]
[X]
MD
Mem
Meml
Memory Indirectly Addressed by B Register
Memory Indirectly Addressed by X Register
Direct Addressed Memory
Direct Addressed Memory or [B]
Direct Addressed Memory or [B] or
Immediate Data
8-Bit Immediate Data
Register Memory: Addresses F0 to FF
(Includes B, X and SP)
Bit Number (0 to 7)
Loaded with
Exchanged with
Imm
Reg
Bit
←
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| COP688CL-XXX/N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Description |
| COP688CL-XXX/V | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Description |
| COP688CS | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit CMOS ROM Based Microcontrollers with 4k to 24k Memory, Comparators and USART |
| COP688CS-XXX/V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|COP800 CPU|CMOS|LDCC|44PIN|PLASTIC |
| COP688EB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit CMOS ROM Based Microcontrollers with 8k Memory, CAN Interface, 8-Bit A/D, and USART |
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