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參數(shù)資料
| 型號： | PIC16LCE625T-04I/SS |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 79/100頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU CMOS 2K OTP W/EEPRM20SSOP |
| 標準包裝： | 1,600 |
| 系列： | PIC® 16C |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 4MHz |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，POR，WDT |
| 輸入/輸出數(shù)： | 13 |
| 程序存儲器容量： | 3.5KB（2K x 14） |
| 程序存儲器類型： | OTP |
| EEPROM 大小： | 128 x 8 |
| RAM 容量： | 128 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.5 V ~ 5.5 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | PIC16LCE625T04ISS |
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1999 Microchip Technology Inc.
DS40182C-page 7
PIC16CE62X
3.0
ARCHITECTURAL OVERVIEW
The high performance of the PIC16CE62X family can
be attributed to a number of architectural features
commonly found in RISC microprocessors. To begin
with, the PIC16CE62X uses a Harvard architecture in
which program and data are accessed from separate
memories using separate buses. This improves
bandwidth over traditional von Neumann architecture
where program and data are fetched from the same
memory. Separating program and data memory further
allows instructions to be sized differently than 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 cycle. A two-stage pipeline over-
laps fetch and execution of instructions. Consequently,
all instructions (35) execute in a single-cycle (200 ns @
20 MHz) except for program branches.
The table below lists program memory (EPROM), data
memory (RAM) and non-volatile memory (EEPROM)
for each PIC16CE62X device.
The PIC16CE62X 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. The PIC16CE62X family 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 program-
ming with the PIC16CE62X simple yet efficient. In addi-
tion, the learning curve is reduced significantly.
Device
Program
Memory
RAM
Data
Memory
EEPROM
Data
Memory
PIC16CE623
512x14
96x8
128x8
PIC16CE624
1Kx14
96x8
128x8
PIC16CE625
2Kx14
128x8
The PIC16CE62X 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). 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, bit in subtraction. See the SUBLW and
SUBWF
instructions for examples.
A simplified block diagram is shown in Figure 3-1, with
a description of the device pins in Table 3-1.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC16LF1454-E/ML | 制造商:Microchip Technology Inc 功能描述:7 KB FLASH, 512 BYTES RAM, 48 MHZ INT. OSC, 12 I/0, ENHANCED - Rail/Tube 制造商:Microchip Technology Inc 功能描述:IC MCU 8BIT 7KB FLASH 16QFN 制造商:Microchip Technology Inc 功能描述:8-bit Microcontrollers - MCU 7KB Flsh 512b RAM 48MHz Int Osc 12 I/0 |
| PIC16LF1454-E/P | 制造商:Microchip Technology Inc 功能描述:7 KB FLASH, 512 BYTES RAM, 48 MHZ INT. OSC, 12 I/0, ENHANCED - Rail/Tube 制造商:Microchip Technology Inc 功能描述:IC MCU 8BIT 7KB FLASH 14PDIP |
| PIC16LF1454-E/SL | 制造商:Microchip Technology Inc 功能描述:7 KB FLASH, 512 BYTES RAM, 48 MHZ INT. OSC, 12 I/0, ENHANCED - Rail/Tube 制造商:Microchip Technology Inc 功能描述:7 KB Flash, 512 bytes RAM, 48 MHz Int. Osc, 12 I/0, Enhanced Mid Range Core, USB 2.0, NanoWatt XLP |
| PIC16LF1454-E/ST | 制造商:Microchip Technology Inc 功能描述:7 KB FLASH, 512 BYTES RAM, 48 MHZ INT. OSC, 12 I/0, ENHANCED - Rail/Tube 制造商:Microchip Technology Inc 功能描述:IC MCU 8BIT 7KB FLASH 14TSSOP |
| PIC16LF1454-I/ML | 功能描述:8位微控制器 -MCU 7 KB Flash 512 bytes RAM 48 MHz Int Osc 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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