參數(shù)資料
型號(hào): COP8SGR728M8XXX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 15 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 48/62頁
文件大?。?/td> 840K
代理商: COP8SGR728M8XXX
14.0 Instruction Set (Continued)
14.7 INSTRUCTION EXECUTION TIME
Most instructions are single byte (with immediate addressing
mode instructions taking two bytes).
Most single byte instructions take one cycle time to execute.
Skipped instructions require x number of cycles to be
skipped, where x equals the number of bytes in the skipped
instruction opcode.
See the BYTES and CYCLES per INSTRUCTION table for
details.
Bytes and Cycles per Instruction
The following table shows the number of bytes and cycles for
each instruction in the format of byte/cycle.
Arithmetic and Logic Instructions
[B]
Direct
Immed.
ADD
1/1
3/4
2/2
ADC
1/1
3/4
2/2
SUBC
1/1
3/4
2/2
AND
1/1
3/4
2/2
OR
1/1
3/4
2/2
XOR
1/1
3/4
2/2
IFEQ
1/1
3/4
2/2
IFGT
1/1
3/4
2/2
IFBNE
1/1
DRSZ
1/3
SBIT
1/1
3/4
RBIT
1/1
3/4
IFBIT
1/1
3/4
RPND
1/1
Instructions Using A & C
CLRA
1/1
INCA
1/1
DECA
1/1
LAID
1/3
DCORA
1/1
RRCA
1/1
RLCA
1/1
SWAPA
1/1
SC
1/1
RC
1/1
IFC
1/1
IFNC
1/1
PUSHA
1/3
POPA
1/3
ANDSZ
2/2
Transfer of Control Instructions
JMPL
3/4
JMP
2/3
JP
1/3
JSRL
3/5
JSR
2/5
JID
1/3
VIS
1/5
RET
1/5
RETSK
1/5
RETI
1/5
INTR
1/7
NOP
1/1
Memory Transfer Instructions
Register
Direct
Immed.
Register Indirect
Indirect
Auto Incr. & Decr.
[B]
[X]
[B+, B]
[X+, X]
X A, (Note 17)
1/1
1/3
2/3
1/2
1/3
LD A, (Note 17)
1/1
1/3
2/3
2/2
1/2
1/3
LD B, Imm
1/1
(If B < 16)
LD B, Imm
2/2
(If B > 15)
LD Mem, Imm
2/2
3/3
2/2
LD Reg, Imm
2/3
IFEQ MD, Imm
3/3
Note 17:
= > Memory location addressed by B or X or directly.
COP8SG
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