參數資料
型號： PIC16F628A
廠商： Microchip Technology Inc.
英文描述： 18-pin Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology(18引腳，基于FLASH的8位CMOS微控制器，使用毫微瓦特技術)
中文描述： 18引腳基于閃存的8位CMOS微控制器與納瓦技術（18引腳，基于閃存的8位的CMOS微控制器，使用毫微瓦特技術）
文件頁數： 7/168頁
文件大小： 2756K
代理商： PIC16F628A
2004 Microchip Technology Inc.
Preliminary
DS40044B-page 5
PIC16F627A/628A/648A
1.0
GENERAL DESCRIPTION
The PIC16F627A/628A/648A are 18-Pin Flash-based
members of the versatile PIC16CXX family of low cost,
high
performance,
CMOS,
microcontrollers.
All PICmicro
microcontrollers employ an advanced
RISC architecture. The PIC16F627A/628A/648A have
enhanced core features, eight-level deep stack, and
multiple internal and external interrupt sources. The
separate instruction and data buses of the Harvard
architecture allow a 14-bit wide instruction word with
the separate 8-bit wide data. The two-stage instruction
pipeline allows all instructions to execute in a single-
cycle, except for program branches (which require two
cycles). A total of 35 instructions (reduced instruction
set) are available, complemented by a large register
set.
PIC16F627A/628A/648A
achieve a 2:1 code compression and a 4:1 speed
improvement over other 8-bit microcontrollers in their
class.
PIC16F627A/628A/648A devices have integrated
features to reduce external components, thus reducing
system cost, enhancing system reliability and reducing
power consumption.
The PIC16F627A/628A/648A has 8 oscillator configu-
rations. The single-pin RC oscillator provides a low cost
solution. The LP oscillator minimizes power consump-
tion, XT is a standard crystal, and INTOSC is a self-
contained precision two-speed internal oscillator. The
fully-static,
8-bit
microcontrollers
typically
HS is for High-Speed crystals. The EC mode is for an
external clock source.
The Sleep (Power-down) mode offers power savings.
Users can wake-up the chip from Sleep through
several external interrupts, internal interrupts and
Resets.
A highly reliable Watchdog Timer with its own on-chip
RC oscillator provides protection against software lock-
up.
Table 1-1 shows the features of the PIC16F627A/
628A/648A mid-range microcontroller families.
A simplified block diagram of the PIC16F627A/628A/
648A is shown in Figure 3-1.
The PIC16F627A/628A/648A series fits in applications
ranging from battery chargers to low power remote
sensors. The Flash technology makes customizing
application programs (detection levels, pulse genera-
tion, timers, etc.) extremely fast and convenient. The
small footprint packages makes this microcontroller
series ideal for all applications with space limitations.
Low cost, low power, high performance, ease of use
and I/O flexibility make the PIC16F627A/628A/648A
very versatile.
1.1
Development Support
The PIC16F627A/628A/648A family is supported by a
full-featured macro assembler, a software simulator, an
in-circuit emulator, a low cost in-circuit debugger, a low
cost development programmer and a full-featured
programmer. A Third Party “C” compiler support tool is
also available.
TABLE 1-1:
PIC16F627A/628A/648A FAMILY OF DEVICES
PIC16F627A
PIC16F628A
PIC16F648A
PIC16LF627A
PIC16LF628A
PIC16LF648A
Clock
Maximum Frequency
of Operation (MHz)
20
20
20
4
4
4
Flash Program Mem-
ory (words)
1024
2048
4096
1024
2048
4096
Memory
RAM Data Memory
(bytes)
224
224
256
224
224
256
EEPROM Data Mem-
ory (bytes)
128
128
256
128
128
256
Timer module(s)
TMR0, TMR1,
TMR2
TMR0, TMR1,
TMR2
TMR0, TMR1,
TMR2
TMR0, TMR1,
TMR2
TMR0, TMR1,
TMR2
TMR0, TMR1,
TMR2
Comparator(s)
2
2
2
2
2
2
Peripherals
Capture/Compare/
PWM modules
1
1
1
1
1
1
Serial Communications
USART
USART
USART
USART
USART
USART
Internal Voltage
Reference
Yes
Yes
Yes
Yes
Yes
Yes
Interrupt Sources
10
10
10
10
10
10
I/O Pins
16
16
16
16
16
16
Features
Voltage Range (Volts)
3.0-5.5
3.0-5.5
3.0-5.5
2.0-5.5
2.0-5.5
2.0-5.5
Brown-out Reset
Yes
Yes
Yes
Yes
Yes
Yes
Packages
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
18-pin DIP,
SOIC, 20-pin
SSOP,
28-pin QFN
All PICmicro Family devices have Power-on Reset, selectable Watchdog Timer, selectable Code Protect and high I/O current capability.
All PIC16F627A/628A/648A Family devices use serial programming with clock pin RB6 and data pin RB7.
相關PDF資料
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相關代理商/技術參數
參數描述
PIC16F628A-E/ML 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
PIC16F628A-E/P 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
PIC16F628A-E/SO 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
PIC16F628A-E/SS 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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
PIC16F628A-I/ML 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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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