參數(shù)資料
型號： PIC16F84
廠商： Microchip Technology Inc.
英文描述： 18-pin Flash/EEPROM 8-Bit Microcontrollers
中文描述： 18引腳閃存/ EEPROM的8位微控制器
文件頁數(shù)： 8/124頁
文件大?。?/td> 1060K
代理商： PIC16F84
PIC16F8X
DS30430C-page 8
1998 Microchip Technology Inc.
PIC16CXX devices contain an 8-bit ALU and working
register. The ALU is a general purpose arithmetic unit.
It performs arithmetic and Boolean functions between
data in the working register and any register file.
The ALU is 8-bits wide and capable of addition,
subtraction, shift and logical operations. Unless
otherwise mentioned, arithmetic operations are two’s
complement in nature. In two-operand instructions,
typically one operand is the working register
(W register), and the other operand is a file register or
an immediate constant. In single operand instructions,
the operand is either the W register or a file register.
The W register is an 8-bit working register used for ALU
operations. It is not an addressable register.
Depending on the instruction executed, the ALU may
affect the values of the Carry (C), Digit Carry (DC), and
Zero (Z) bits in the STATUS register. The C and DC bits
operate as a borrow and digit borrow out bit,
respectively, in subtraction. See the
SUBLW
and
SUBWF
instructions for examples.
A simplified block diagram for the PIC16F8X is shown
in Figure 3-1, its corresponding pin description is
shown in Table 3-1.
FIGURE 3-1:
PIC16F8X BLOCK DIAGRAM
Flash/ROM
Program
Memory
PIC16F83/CR83
512 x 14
Program Counter
13
Program
Bus
Instruction reg
8 Level Stack
(13-bit)
Direct Addr
8
Instruction
Decode &
Control
Timing
Generation
OSC2/CLKOUT
OSC1/CLKIN
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
MCLR
V
DD
, V
SS
W reg
ALU
MUX
I/O Ports
TMR0
STATUS reg
FSR reg
Indirect
Addr
RA3:RA0
RB7:RB1
RA4/T0CKI
EEADR
EEPROM
Data Memory
64 x 8
EEDATA
Addr Mux
RAM Addr
RAM
File Registers
PIC16F83/CR83
36 x 8
PIC16F84/CR84
68 x 8
EEPROM Data Memory
Data Bus
5
7
7
PIC16F84/CR84
1K x 14
RB0/INT
14
8
8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16F84-04/P 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz PDIP18 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(fēng)格:SMD/SMT
PIC16F84-04/P 制造商:Microchip Technology Inc 功能描述:IC 8-BIT FLASH MCU
PIC16F84-04/SO 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz SOIC18 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(fēng)格:SMD/SMT
PIC16F84-04/SO 制造商:Microchip Technology Inc 功能描述:IC SM 8-BIT FLASH MCU
PIC16F84-04I/P 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz Ind Temp PDIP18 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(fēng)格:SMD/SMT
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