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參數資料
| 型號： | 4280 |
| 英文描述： | Low-Cost, 2.7V to 5.5V Temperature Switches in a SOT23 |
| 中文描述： | 4280組數據表數據表630K/JUN.11.99 |
| 文件頁數： | 9/48頁 |
| 文件大?。?/td> | 630K |
| 代理商： | 4280 |
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8
MITSUBISHI MICROCOMPUTERS
4280 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
Fig. 7 Program counter (PC) structure
Fig. 8 Data pointer (DP) structure
Fig. 9 SD instruction execution example
p
3
p
2
p
1
p
0
a
6
a
5
a
4
a
3
a
2
a
1
a
0
Program counter (PC)
PC
H
Specifying
page
PC
L
Specifying address
X
1
X
0
Y
3
Y
2
Y
1
Y
0
Data pointer (DP)
Register X (2)
Register Y (4)
Specifying
RAM digit
Specifying RAM file
(8) Program counter (PC)
Program counter (PC) is used to specify a ROM address (page
and address). It determines a sequence in which instructions
stored in ROM are read. It is a binary counter that increments
the number of instruction bytes each time an instruction is
executed. However, the value changes to a specified address
when branch instructions, subroutine call instructions, return
instructions, or the table reference instruction (TABP p) is
executed.
Program counter consists of PC
H
(most significant bit to bit 7)
which specifies to a ROM page and PC
L
(bits 6 to 0) which
specifies an address within a page. After it reaches the last
address (address 127) of a page, it specifies address 0 of the
next page (Figure 7).
Make sure that the PC
H
does not exceed after the last page of
the built-in ROM.
(9) Data pointer (DP)
Data pointer (DP) is used to specify a RAM address and
consists of registers X and Y. Register X specifies a file and
register Y specifies a RAM digit (Figure 8).
Register Y is also used to specify the port D bit position.
When using port D, set the port D bit position to register Y
certainly and execute the SD, RD, or SZD instruction (Figure
9).
0
1
0
1
D
5
1
D
7
D
0
Specifying bit position
Set
Register Y (4)
Port D output latch
相關PDF資料 |
PDF描述 |
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| 42816-0212 | Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 |
| 42816-0312 | Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 |
| 42816-0412 | Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 |
| 42816-0512 | Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 |
| 42816-0612 | Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 4-280 | 制造商:Raaco 功能描述: |
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| 42-800 | 制造商:Distributed By MCM 功能描述:Flat Belt |
| 4280-00 | 功能描述:KIT EVAL FOR 4280 RF SWITCH RoHS:是 類別:RF/IF 和 RFID >> RF 評估和開發(fā)套件，板 系列:UltraCMOS™ 標準包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關產品:- 已供物品:模塊 其它名稱:SER3796 |
| 4280000 | 制造商:BERNSTEIN 功能描述:BOX GRP IP65 EEXE GREY |
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