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參數(shù)資料
| 型號(hào)： | PIC12C671-04I/SM |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 97/129頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU OTP 1KX14 A/D 8-SOIJ |
| 產(chǎn)品培訓(xùn)模塊： | Asynchronous Stimulus 8-bit PIC® Microcontroller Portfolio |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 系列： | PIC® 12C |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 4MHz |
| 外圍設(shè)備： | POR，WDT |
| 輸入/輸出數(shù)： | 5 |
| 程序存儲(chǔ)器容量： | 1.75KB（1K x 14） |
| 程序存儲(chǔ)器類(lèi)型： | OTP |
| RAM 容量： | 128 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 4x8b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.209"，5.30mm 寬） |
| 包裝： | 管件 |
| 配用： | AC164312-ND - MODULE SKT FOR PM3 16SOIC ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING 309-1048-ND - ADAPTER 8-SOIC TO 8-DIP 309-1047-ND - ADAPTER 8-SOIC TO 8-DIP AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC |
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1999 Microchip Technology Inc.
DS30561B-page 7
PIC12C67X
3.0
ARCHITECTURAL OVERVIEW
The high performance of the PIC12C67X family can be
attributed to a number of architectural features com-
monly found in RISC microprocessors. To begin with,
the PIC12C67X uses a Harvard architecture, in which
program and data are accessed from separate memo-
ries using separate buses. This improves bandwidth
over traditional von Neumann architecture in which pro-
gram and data are fetched from the same memory
using the same bus. Separating program and data
buses also allow instructions to be sized differently than
the 8-bit wide data word. Instruction opcodes are 14-
bits wide making it possible to have all single word
instructions. A 14-bit wide program memory access
bus fetches a 14-bit instruction in a single instruction
cycle. A two-stage pipeline overlaps fetch and execu-
tion of instructions (Example 3-1). Consequently, all
instructions (35) execute in a single cycle (400 ns @ 10
MHz) except for program branches.
The table below lists program memory (EPROM), data
memory (RAM), and non-volatile memory (EEPROM)
for each PIC12C67X device.
Device
Program
Memory
RAM Data
Memory
EEPROM
Data
Memory
PIC12C671
1K x 14
128 x 8
—
PIC12C672
2K x 14
128 x 8
—
PIC12CE673
1K x 14
128 x 8
16x8
PIC12CE674
2K x 14
128 x 8
16x8
The PIC12C67X can directly or indirectly address its
register files or data memory. All special function regis-
ters, including the program counter, are mapped in the
data memory. The PIC12C67X has an orthogonal
(symmetrical) instruction set that makes it possible to
carry out any operation on any register using any
addressing mode. This symmetrical nature and lack of
‘special optimal situations’ make programming with the
PIC12C67X simple yet efficient. In addition, the learn-
ing curve is reduced significantly.
PIC12C67X devices contain an 8-bit ALU and working
register. The ALU is a general purpose arithmetic unit.
It performs arithmetic and Boolean functions between
the data in the working register and any register file.
The ALU is 8-bits wide and capable of addition, sub-
traction, shift and logical operations. Unless otherwise
mentioned, arithmetic operations are two's comple-
ment in nature. In two-operand instructions, typically
one operand is the working register (W register). The
other operand is a file register or an immediate con-
stant. 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 bit and a digit borrow out bit,
respectively, in subtraction. See the SUBLW and SUBWF
instructions for examples.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC12C671-10 | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter |
| PIC12C671-10/JM | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:8-Pin, 8-Bit CMOS Microcontroller with A/D Converter |
| PIC12C671-10/JW | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MICROCONTROLLER|8-BIT|PIC CPU|CMOS|DIP|8PIN|CERAMIC |
| PIC12C671-10/P | 功能描述:8位微控制器 -MCU 1.75KB 128 RAM 6 I/O 10MHz PDIP8 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| PIC12C671-10/P | 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 12C671 DIP8 |
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