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)： 7/124頁
文件大小： 1060K
代理商： PIC16F84
PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 7
3.0
ARCHITECTURAL OVERVIEW
The high performance of the PIC16CXX family can be
attributed to a number of architectural features
commonly found in RISC microprocessors. To begin
with, the PIC16CXX uses a Harvard architecture. This
architecture has the program and data accessed from
separate memories. So the device has a program
memory bus and a data memory bus. This improves
bandwidth over traditional von Neumann architecture
where program and data are fetched from the same
memory (accesses over the same bus). Separating
program and data memory further allows instructions to
be sized differently than the 8-bit wide data word.
PIC16CXX opcodes are 14-bits wide, enabling single
word instructions. The full 14-bit wide program memory
bus fetches a 14-bit instruction in a single cycle. A two-
stage pipeline overlaps fetch and execution of instruc-
tions (Example 3-1). Consequently, all instructions exe-
cute in a single cycle except for program branches.
The PIC16F83 and PIC16CR83 address 512 x 14 of
program memory, and the PIC16F84 and PIC16CR84
address 1K x 14 program memory. All program mem-
ory is internal.
The PIC16CXX can directly or indirectly address its
register files or data memory. All special function
registers including the program counter are mapped in
the data memory. An orthogonal (symmetrical)
instruction set makes it possible to carry out any oper-
ation on any register using any addressing mode. This
symmetrical nature and lack of ‘special optimal
situations’ make programming with the PIC16CXX
simple yet efficient. In addition, the learning curve is
reduced significantly.
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相關代理商/技術參數(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 安裝風格:SMD/SMT
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