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參數(shù)資料
| 型號： | NSC800D |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | NSC800TM High-Performance Low-Power CMOS Microprocessor |
| 中文描述： | NSC800TM高性能低功耗CMOS微處理器 |
| 文件頁數(shù)： | 32/76頁 |
| 文件大?。?/td> | 785K |
| 代理商： | NSC800D |
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12.4 8-Bit Loads
REGISTER TO REGISTER
LD
r
d
, r
s
Load register r
d
with r
s
:
r
d
w
r
s
7
6
5
No flags affected
0
4
3
2
1
0
1
r
d
r
s
Timing:
M cycles D 1
T states D 4
Addressing Mode:
Register
LD
A, I
Load Accumulator with the contents of the I register.
A
w
I
S: Set if negative result
Z: Set if zero result
H: Reset
P/V: Set according to IFF
2
(zero if
interrupt occurs during opera-
tion)
N: Reset
C: Not affected
0
7
6
5
4
3
2
1
1
1
1
0
1
1
0
1
0
1
0
1
0
1
1
1
Timing:
M cycles D 2
T states D 9 (4, 5)
Addressing Mode:
Register
LD
I, A
Load Interrupt vector register (I) with the contents of A.
I
w
A
7
6
5
4
3
2
1
0
No flags affected
1
1
1
0
1
1
0
1
0
1
0
0
0
1
1
1
Timing:
M cycles D 2
T states D 9 (4, 5)
Addressing Mode:
Register
LD
A, R
Load Accumulator with contents of R register.
A
w
R
S: Set if negative result
Z: Set if zero result
H: Reset
P/V: Set according to IFF
2
(zero if
interrupt occurs during opera-
tion)
N: Reset
C: Not affected
7
6
5
4
3
2
1
0
1
1
1
0
1
1
0
1
0
1
0
1
1
1
1
1
Timing:
M cycles D 2
T states D 9 (4, 5)
Addressing Mode:
Register
LD
R, A
Load Refresh register (R) with contents of the Accumulator.
R
w
A
No flags affected
7
6
5
4
3
2
1
0
1
1
1
0
1
1
0
1
0
1
0
0
1
1
1
1
Timing:
M cycles D 2
T states D 9 (4, 5)
Addressing Mode:
Register
LD
r, n
Load register r with immediate data n.
r
w
n
7
6
5
4
3
No flags affected
0
2
1
0
0
r
1
1
0
n
Timing:
M cycles D 2
T states D 7 (4, 3)
Addressing Mode:
Source D Immediate
Destination D Register
REGISTER TO MEMORY
LD
m
1
, r
Load memory from reigster r.
m
1
w
r
7
6
5
4
No flags affected
0
3
2
1
0
1
1
1
0
r
LD (HL), r
Timing:
M cycles D 2
T states D 7 (4,3)
Addressing Mode:
Source D Register
Destination D Register Indirect
0
LD (IX
a
d), r(for N
X
e
0)
1
LD (IY
a
d), r(for N
X
e
1)
7
6
5
4
3
2
1
1
1
N
X
1
1
1
0
0
1
1
1
0
r
d
Timing:
M cycles D 2
T states D 19 (4, 4, 3, 5, 3)
Addressing Mode:
Source D Register
Destination D Indexed
32
相關PDF資料 |
PDF描述 |
|---|---|
| NSC800E | NSC800TM High-Performance Low-Power CMOS Microprocessor |
| NSC800N | NSC800TM High-Performance Low-Power CMOS Microprocessor |
| NSC800V | NSC800TM High-Performance Low-Power CMOS Microprocessor |
| NSC858 | NSC858 Universal Asynchronous Receiver/Transmitter |
| NSC858D | NSC858 Universal Asynchronous Receiver/Transmitter |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NSC800D/883C | 制造商: 功能描述: 制造商:undefined 功能描述: |
| NSC800D/B | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| NSC800D-1I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microprocessor |
| NSC800D-3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microprocessor |
| NSC800D-3/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microprocessor |
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