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參數(shù)資料
| 型號： | AT89C5131A-RDTIL |
| 廠商： | Atmel |
| 文件頁數(shù)： | 52/185頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 8051 MCU FLASH 32K USB 64VQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | AT89C513x |
| 核心處理器： | C52X2 |
| 芯體尺寸： | 8-位 |
| 速度： | 48MHz |
| 連通性： | I²C，SPI，UART/USART，USB |
| 外圍設(shè)備： | LED，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 34 |
| 程序存儲器容量： | 32KB（32K x 8） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大小： | 4K x 8 |
| RAM 容量： | 1.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-LQFP |
| 包裝： | 托盤 |
| 配用： | AT89STK-10-ND - KIT EVAL APPL MASS STORAGE AT89STK-05-ND - KIT STARTER FOR AT89C5131 |
| 其它名稱： | AT89C5131-RDTIL-ND |
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2008-2012 Microchip Technology Inc.
DS70318F-page 145
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
9.0
POWER-SAVING FEATURES
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 devices provide the ability to manage power
consumption by selectively managing clocking to the
CPU and the peripherals. In general, a lower clock
frequency and a reduction in the number of circuits being
clocked
constitutes
lower
consumed
power.
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
devices can manage power consumption in four different
ways:
Clock Frequency
Instruction-Based Sleep and Idle modes
Software-Controlled Doze mode
Selective Peripheral Control in Software
Combinations of these methods can be used to
selectively tailor an application’s power consumption
while still maintaining critical application features, such
as timing-sensitive communications.
9.1
Clock Frequency and Clock
Switching
The
dsPIC33FJ06GS101/X02
and
dsPIC33FJ16GSX02/X04 devices allow a wide range
of clock frequencies to be selected under application
control. If the system clock configuration is not locked,
users
can
choose
low-power
or
high-precision
oscillators by simply changing the NOSC<2:0> bits
(OSCCON<10:8>). The process of changing a system
clock during operation, as well as limitations to the
process, are discussed in more detail in Section 8.0
9.2
Instruction-Based Power-Saving
Modes
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 devices have two special power-saving modes that
are entered through the execution of a special PWRSAV
instruction. Sleep mode stops clock operation and halts all
code execution. Idle mode halts the CPU and code
execution, but allows peripheral modules to continue
operation. The assembler syntax of the PWRSAV
instruction is shown in Example 9-1.
Sleep and Idle modes can be exited as a result of an
enabled interrupt, WDT time-out or a device Reset. When
the device exits these modes, it is said to wake-up.
9.2.1
SLEEP MODE
The following occur in Sleep mode:
The system clock source is shut down. If an
on-chip oscillator is used, it is turned off
The device current consumption is reduced to a
minimum, provided that no I/O pin is sourcing
current
The Fail-Safe Clock Monitor does not operate,
since the system clock source is disabled
The LPRC clock continues to run in Sleep mode if
the WDT is enabled
The WDT, if enabled, is automatically cleared
prior to entering Sleep mode
Some device features or peripherals may continue
to operate. This includes the items such as the
input change notification on the I/O ports or
peripherals that use an external clock input.
Any peripheral that requires the system clock
source for its operation is disabled
The device will wake-up from Sleep mode on any of
these events:
Any interrupt source that is individually enabled
Any form of device Reset
A WDT time-out
On wake-up from Sleep mode, the processor restarts
with the same clock source that was active when Sleep
mode was entered.
EXAMPLE 9-1:
PWRSAV
INSTRUCTION SYNTAX
Note 1: This data sheet summarizes the features
of
the
dsPIC33FJ06GS101/X02
and
dsPIC33FJ16GSX02/X04
families
of
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to Section 9. “Watchdog
Timer
and
Power-Saving
Modes”
(DS70196) in the “dsPIC33F/PIC24H
Family Reference Manual”, which is
available from the Microchip web site
2: Some registers and associated bits
described in this section may not be
available
on
all
devices.
Refer
to
this data sheet for device-specific register
and bit information.
Note:
SLEEP_MODE
and
IDLE_MODE
are
constants
defined
in
the
assembler
include file for the selected device.
PWRSAV
#SLEEP_MODE
; Put the device into SLEEP mode
PWRSAV
#IDLE_MODE
; Put the device into IDLE mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT89C5131A-RDTIM | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with Full Speed USB Device |
| AT89C5131A-RDTUL | 功能描述:8位微控制器 -MCU 32K Flash 3V USB 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(fēng)格:SMD/SMT |
| AT89C5131A-RDTUM | 功能描述:8位微控制器 -MCU C5130A 32K Flash 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(fēng)格:SMD/SMT |
| AT89C5131A-RDTUM | 制造商:Atmel Corporation 功能描述:IC 8BIT MCU C51/C251 48MHZ 64-VQFP |
| AT89C5131A-S3SIL | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with Full Speed USB Device |
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