參數(shù)資料
型號： PIC18LF2450T-I/SO
廠商： Microchip Technology
文件頁數(shù)： 2/143頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 8KX16 28SOIC
標準包裝： 1,600
系列： PIC® 18F
核心處理器： PIC
芯體尺寸： 8-位
速度： 48MHz
連通性： UART/USART，USB
外圍設備： 欠壓檢測/復位，HLVD，POR，PWM，WDT
輸入/輸出數(shù)： 23
程序存儲器容量： 16KB（8K x 16）
程序存儲器類型： 閃存
RAM 容量： 768 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 10x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
包裝： 帶卷 (TR)
PIC18F2450/4450
DS39760A-page 8
Advance Information
2006 Microchip Technology Inc.
1.2
Other Special Features
Memory Endurance: The Enhanced Flash cells
for program memory are rated to last for many
thousands of erase/write cycles – up to 100,000.
Self-Programmability: These devices can write
to their own program memory spaces under
internal software control. By using a bootloader
routine, located in the protected Boot Block at the
top of program memory, it becomes possible to
create an application that can update itself in the
field.
Extended Instruction Set: The PIC18F2450/
4450 family introduces an optional extension to
the PIC18 instruction set, which adds 8 new
instructions and an Indexed
Literal Offset Addressing mode. This extension,
enabled as a device configuration option, has
been specifically designed to optimize re-entrant
application code originally developed in high-level
languages such as C.
Enhanced Addressable USART: This serial
communication module is capable of standard
RS-232 operation and provides support for the LIN
bus protocol. Other enhancements include
Automatic Baud Rate Detection and a 16-bit Baud
Rate Generator for improved resolution.
10-Bit A/D Converter: This module incorporates
programmable acquisition time, allowing for a
channel to be selected and a conversion to be
initiated, without waiting for a sampling period and
thus, reducing code overhead.
Dedicated ICD/ICSP Port: These devices
introduce the use of debugger and programming
pins that are not multiplexed with other micro-
controller features. Offered as an option in select
packages, this feature allows users to develop I/O
intensive applications while retaining the ability to
program and debug in the circuit.
1.3
Details on Individual Family
Members
Devices in the PIC18F2450/4450 family are available
in 28-pin and 40/44-pin packages. Block diagrams for
the two groups are shown in Figure 1-1 and Figure 1-2.
The devices are differentiated from each other in the
following two ways:
1.
A/D channels (10 for 28-pin devices, 13 for
40/44-pin devices).
2.
I/O ports (3 bidirectional ports and 1 input only
port on 28-pin devices, 5 bidirectional ports on
40/44-pin devices).
All other features for devices in this family are identical.
These are summarized in Table 1-1.
The pinouts for all devices are listed in Table 1-2 and
Like all Microchip PIC18 devices, members of the
PIC18F2450/4450 family are available as both standard
and
low-voltage
devices.
Standard
devices
with
Enhanced Flash memory, designated with an “F” in the
part number (such as PIC18F2450), accommodate an
operating VDD range of 4.2V to 5.5V. Low-voltage parts,
designated by “LF” (such as PIC18LF2450), function
over an extended VDD range of 2.0V to 5.5V.
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
PIC18LF2455-I/SO 功能描述:8位微控制器 -MCU 24kBF 2048RM FSUSB2 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
PIC18LF2455-I/SP 功能描述:8位微控制器 -MCU 24kBF 2048RM FSUSB2 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
PIC18LF2455-I/SP 制造商:Microchip Technology Inc 功能描述:8 Bit Microcontroller Clock Speed:48MHz
PIC18LF2455T-I/SO 功能描述:8位微控制器 -MCU 24kBF 2048RM FSUSB2 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
PIC18LF2458-I/SO 功能描述:8位微控制器 -MCU 24KB Flash 2KB 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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