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參數(shù)資料
| 型號(hào)： | COP87L88RGV-XE |
| 廠(chǎng)商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-Bit One-Time Programmable (OTP) Microcontroller with 32 Kbytes of Program Memory |
| 中文描述： | 8-BIT, OTPROM, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁(yè)數(shù)： | 24/34頁(yè) |
| 文件大?。?/td> | 385K |
| 代理商： | COP87L88RGV-XE |
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Instruction Execution Time
Most instructions are single byte (with immediate address-
ing 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.
Logic and Arithmetic Instructions
[
B
]
Direct
Immed.
ADD
ADC
SUBC
AND
OR
XOR
IFEQ
IFGT
IFBNE
DRSZ
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/1
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
2/2
2/2
2/2
2/2
2/2
2/2
2/2
2/2
1/3
SBIT
RBIT
IFBIT
1/1
1/1
1/1
3/4
3/4
3/4
RPND
1/1
Instructions Using A and C
CLRA
INCA
DECA
LAID
DCORA
RRCA
RLCA
SWAPA
SC
RC
IFC
IFNC
PUSHA
POPA
ANDSZ
1/1
1/1
1/1
1/3
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/3
1/3
2/2
Transfer of Control
Instructions
JMPL
JMP
JP
JSRL
JSR
JID
VIS
RET
RETSK
RETI
INTR
NOP
3/4
2/3
1/3
3/5
2/5
1/3
1/5
1/5
1/5
1/5
1/7
1/1
Memory Transfer Instructions
Register
Indirect
Direct
Immed.
Register Indirect
Auto Incr. and Decr.
[
B
]
[
X
]
[
B
a
, B
b
]
[
X
a
, X
b
]
X A,
*
1/1
1/3
2/3
1/2
1/3
LD A,
*
1/1
1/3
2/3
2/2
1/2
1/3
LD B, Imm
1/1
(IF B
k
16)
LD B, Imm
2/3
(IF B
l
15)
LD Mem, Imm
2/2
3/3
2/2
LD Reg, Imm
2/3
IFEQ MD, Imm
3/3
*
e
l
Memory location addressed by B or X or directly.
http://www.national.com
24
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