參數(shù)資料
型號： EM78P447SBWM
廠商： ELAN Microelctronics Corp .
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁數(shù)： 30/55頁
文件大?。?/td> 1730K
代理商： EM78P447SBWM
EM78P447S
OTP ROM
4.12 Instruction Set
Each instruction in the instruction set is a 13-bit word divided into an OP code and one or more operands. Normally, all
instructions are executed within one single instruction cycle (one instruction consists of 2 oscillator periods), unless the
program counter is changed by instruction "MOV R2,A", "ADD R2,A", or by instructions of arithmetic or logic operation on
R2 (e.g. "SUB R2,A", "BS(C) R2,6", "CLR R2",
). In this case, the execution takes two instruction cycles.
If for some reasons, the specification of the instruction cycle is not suitable for certain applications, try modifying the
instruction as follows:
(A) Change one instruction cycle to consist of 4 oscillator periods.
(B) Executed within two instruction cycles, "JMP", "CALL", "RET", "RETL", "RETI", or the conditional
skip ("JBS", "JBC", "JZ", "JZA", "DJZ", "DJZA") instructions which were tested to be true. Also
execute within two instruction cycles, the instructions that are written to the program counter.
Case (A) is selected by the CODE Option bit, called CLK. One instruction cycle consists of two oscillator clocks if CLK is
low, and four oscillator clocks if CLK is high.
Note that once the 4 oscillator periods within one instruction cycle is selected as in Case (A), the internal clock source to
TCC should be CLK=Fosc/4, not Fosc/ 2 as indicated in Fig. 5.
In addition, the instruction set has the following features:
(1) Every bit of any register can be set, cleared, or tested directly.
(2) The I/O register can be regarded as general register. That is, the same instruction can operate on
I/O register.
The symbol "R" represents a register designator that specifies which one of the registers (including operational registers
and general purpose registers) is to be utilized by the instruction. "b" represents a bit field designator that selects the value
for the bit which is located in the register "R", and affects operation. "k" represents an 8 or 10-bit constant or literal value.
INSTRUCTION BINARY
0 0000 0000 0000
0 0000 0000 0001
0 0000 0000 0010
0 0000 0000 0011
0 0000 0000 0100
0 0000 0000 rrrr
0 0000 0001 0000
0 0000 0001 0001
0 0000 0001 0010
HEX
0000
0001
0002
0003
0004
000r
0010
0011
0012
MNEMONIC
NOP
DAA
CONTW
SLEP
WDTC
IOW R
ENI
DISI
RET
OPERATION
No Operation
Decimal Adjust A
A
→
CONT
0
→
WDT, Stop oscillator
0
→
WDT
A
→
IOCR
Enable Interrupt
Disable Interrupt
[Top of Stack]
→
PC
[Top of Stack]
→
PC,
Enable Interrupt
CONT
→
A
STATUS AFFECTED
None
C
None
T,P
T,P
None <Note1>
None
None
None
0 0000 0001 0011
0013
RETI
None
0 0000 0001 0100
0014
CONTR
None
This specification is subject to change without prior notice.
06.25.2003 (V1.1)
30
相關(guān)PDF資料
PDF描述
EM78P447NAM 8-BIT MICRO-CONTROLLER
EM78P447NAP 8-BIT MICRO-CONTROLLER
EM78P447NAS 8-BIT MICRO-CONTROLLER
EM78P451SWM 8-Bit Microcontroller with OTP ROM
EM78P451SAQ 8-Bit Microcontroller with OTP ROM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM7A8620 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Voice over IP
EM7G 制造商:GULFSEMI 制造商全稱:Gulf Semiconductor 功能描述:ULTRAFAST EFFICIENT PLASTIC SILICON RECTIFIER VOLTAGE： 1000V CURRENT： 1.0A
EM800 制造商:EDI 制造商全稱:Electronic devices inc. 功能描述:HIGH VOLTAGE HIGH CURRENT MINIATURE RECTIFIERS
EM8000EHP 制造商:JDSU 制造商全稱:JDS Uniphase Corporation 功能描述:The industrya??s most compact 100 G test solution
EM800-DCM 制造商:MRV 制造商全稱:MRV 功能描述:LambdaDriver Dispersion Compensation Module (EM800/1600-DCM and DCMD)
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*