參數(shù)資料
型號(hào)： M34280
廠商： Mitsubishi Electric Corporation
英文描述： Single-Chip 4-Bit CMOS Microcomputer for Infrared Remote Control Transmitters(用于紅外線遠(yuǎn)程遙控發(fā)送器的4位單片機(jī))
中文描述： 單芯片4位CMOS紅外遙控發(fā)射器（用于紅外線遠(yuǎn)程遙控發(fā)送器的4位單片機(jī)微機(jī)）
文件頁(yè)數(shù)： 8/47頁(yè)
文件大?。?/td> 508K
代理商： M34280
MITSUBISHI
ELECTRIC
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(guān)PDF資料
PDF描述
M35060-001SP CONNECTOR ACCESSORY
M35060 Character Pattern Display Control IC(字符點(diǎn)陣顯示控制芯片)
M35060-056SP SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
M35060-090SP SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
M35060-002SP CONNECTOR ACCESSORY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M34280E1FP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
M34280E1GP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
M34280M1 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
M34280M1-060FP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
M34280M1-082GP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS
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