參數(shù)資料
型號： ST7FLU05MAE
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
封裝： 0.150 INCH, LEAD FREE, PLASTIC, SOP-8
文件頁數(shù)： 41/124頁
文件大?。?/td> 2186K
代理商： ST7FLU05MAE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LUS5, ST7LU05, ST7LU09
Central processing unit
23/124
5
Central processing unit
5.1
Introduction
This CPU has a full 8-bit architecture and contains six internal registers allowing efficient 8-
bit data manipulation.
5.2
Main features
●
63 basic instructions
●
Fast 8-bit by 8-bit multiply
●
17 main addressing modes
●
Two 8-bit index registers
●
16-bit stack pointer
●
Low power modes
●
Maskable hardware interrupts
●
Non-maskable software interrupt
5.3
CPU registers
The six CPU registers shown in Figure 10 are not present in the memory mapping and are
accessed by specific instructions.
5.3.1
Accumulator (A)
The Accumulator is an 8-bit general purpose register used to hold operands and the results
of the arithmetic and logic calculations and to manipulate data.
5.3.2
Index registers (X and Y)
In indexed addressing modes, these 8-bit registers are used to create either effective
addresses or temporary storage areas for data manipulation (the cross-assembler
generates a precede instruction (PRE) to indicate that the following instruction refers to the
Y register).
The Y register is not affected by the interrupt automatic procedures (not pushed to and
popped from the stack).
5.3.3
Program counter (PC)
The program counter is a 16-bit register containing the address of the next instruction to be
executed by the CPU. It is made of two 8-bit registers PCL (program counter low which is
the LSB) and PCH (program counter high which is the MSB).
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相關代理商/技術參數(shù)
參數(shù)描述
ST7FLU09MCE 制造商:STMicroelectronics 功能描述:
ST7FMC1K2B3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI?
ST7FMC1K2B6 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST7FMC1K2T3 功能描述:8位微控制器 -MCU ST7MC1/ST7MC2 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
ST7FMC1K2T6 功能描述:8位微控制器 -MCU 8K Flash 384 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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