參數(shù)資料
型號(hào): PIC18LF8621T-I/PT
廠商: Microchip Technology
文件頁(yè)數(shù): 386/396頁(yè)
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 32KX16 80TQFP
標(biāo)準(zhǔn)包裝: 1,200
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 40MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 69
程序存儲(chǔ)器容量: 64KB(32K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 3.8K x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-TQFP
包裝: 帶卷 (TR)
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2005 Microchip Technology Inc.
DS39612B-page 7
PIC18F6525/6621/8525/8621
1.0
DEVICE OVERVIEW
This document contains device specific information for
the following devices:
PIC18F6525
PIC18F6621
PIC18F8525
PIC18F8621
This
family
offers
the
advantages
of
all
PIC18 microcontrollers – namely, high computational
performance at an economical price – with the addition
of high-endurance Enhanced Flash program memory.
The PIC18F6525/6621/8525/8621 family also provides
an enhanced range of program memory options and
versatile analog features that make it ideal for complex,
high performance applications.
1.1
Key Features
1.1.1
EXPANDED MEMORY
The
PIC18F6525/6621/8525/8621 family
provides
ample room
for
application code
and includes
members with 48 Kbytes or 64 Kbytes of code space.
Other memory features are:
Data RAM and Data EEPROM: The PIC18F6525/
6621/8525/8621 family also provides plenty of room
for application data. The devices have 3840 bytes of
data RAM, as well as 1024 bytes of data EEPROM
for long term retention of nonvolatile data.
Memory Endurance: The Enhanced Flash cells for
both program memory and data EEPROM are rated
to last for many thousands of erase/write cycles –
up to 100,000 for program memory and 1,000,000
for EEPROM. Data retention without refresh is
conservatively
estimated
to
be
greater
than
40 years.
1.1.2
EXTERNAL MEMORY INTERFACE
In the unlikely event that 64 Kbytes of program memory
is inadequate for an application, the PIC18F8525/8621
members of the family also implement an external
memory interface. This allows the controller’s internal
program counter to address a memory space of up to
2 MBytes, permitting a level of data access that few
8-bit devices can claim.
With the addition of new operating modes, the external
memory interface offers many new options, including:
Operating the microcontroller entirely from external
memory
Using
combinations
of
on-chip
and
external
memory, up to the 2-Mbyte limit
Using external Flash memory for reprogrammable
application code or large data tables
Using external RAM devices for storing large
amounts of variable data
1.1.3
EASY MIGRATION
Regardless of the memory size, all devices share the
same rich set of peripherals, allowing for a smooth
migration path as applications grow and evolve.
The consistent pinout scheme used throughout the
entire family also aids in migrating to the next larger
device. This is true when moving between the 64-pin
members, between the 80-pin members, or even
Jumping From 64-pin To 80-pin Devices.
1.1.4
OTHER SPECIAL FEATURES
Communications:
The
PIC18F6525/6621/8525/
8621 family incorporates a range of serial communi-
cation
peripherals,
including
2
independent
Enhanced USARTs and a Master SSP module capa-
ble of both SPI and I2C (Master and Slave) modes of
operation. Also, for PIC18F6525/6621/8525/8621
devices, one of the general purpose I/O ports can be
reconfigured as an 8-bit Parallel Slave Port for direct
processor to processor communications.
CCP Modules: All devices in the family incorporate
two Capture/Compare/PWM (CCP) modules and
three Enhanced CCP (ECCP) modules to maximize
flexibility in control applications. Up to four different
time bases may be used to perform several different
operations at once. Each of the three ECCPs offer
up to four PWM outputs, allowing for a total of
12 PWMs. The ECCPs also offer many beneficial
features, including polarity selection, Programmable
Dead
Time,
Auto-Shutdown
and
Restart
and
Half-Bridge and Full-Bridge Output modes.
Analog Features: All devices in the family feature
10-bit A/D converters with up to 16 input channels,
as well as the ability to perform conversions during
Sleep mode and auto-acquisition conversions. Also
included
are
dual
analog
comparators
with
programmable input and output configuration, a
programmable Low-Voltage Detect module and a
Programmable Brown-out Reset module.
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.
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PIC18LF8622-I/PT 功能描述:8位微控制器 -MCU 64 KB FL 4K RAM 70 I/O 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
PIC18LF8622T-I/PT 功能描述:8位微控制器 -MCU 64 KB FL 4K RAM 70 I/O 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
PIC18LF8627-I/PT 功能描述:8位微控制器 -MCU 96 KB FL 4K RAM 70 I/O 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
PIC18LF8627T-I/PT 功能描述:8位微控制器 -MCU 96 KB FL 4K RAM 70 I/O 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
PIC18LF8628-I/PT 功能描述:8位微控制器 -MCU 96KB Flash 4KB RAM 1024 DataEE 12B ADC 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