參數(shù)資料
型號(hào): PIC18F45J11-I/ML
廠商: Microchip Technology
文件頁(yè)數(shù): 179/228頁(yè)
文件大小: 0K
描述: IC PIC MCU FLASH 32K 2V 44-QFN
產(chǎn)品培訓(xùn)模塊: XLP Deep Sleep Mode
PIC18 J Series MCU Overview
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 45
系列: PIC® XLP™ 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 48MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 34
程序存儲(chǔ)器容量: 32KB(16K x 16)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 3.8K x 8
電壓 - 電源 (Vcc/Vdd): 2.15 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 13x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-VQFN 裸露焊盤(pán)
包裝: 管件
產(chǎn)品目錄頁(yè)面: 657 (CN2011-ZH PDF)
配用: AC164322-ND - MODULE SOCKET MPLAB PM3 28/44QFN
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PIC18F46J11 FAMILY
DS39932D-page 54
2011 Microchip Technology Inc.
4.4.3
RC_IDLE MODE
In RC_IDLE mode, the CPU is disabled but the
peripherals continue to be clocked from the internal
oscillator block. This mode allows for controllable
power conservation during Idle periods.
From RC_RUN, this mode is entered by setting the
IDLEN bit and executing a SLEEP instruction. If the
device is in another Run mode, first set IDLEN, then
clear the SCS bits and execute SLEEP. When the clock
source is switched to the INTOSC block, the primary
oscillator is shut down and the OSTS bit is cleared.
When a wake event occurs, the peripherals continue to
be clocked from the internal oscillator block. After the
wake event, the CPU begins executing code being
clocked by the INTRC. The IDLEN and SCS bits are not
affected by the wake-up. The INTRC source will con-
tinue to run if either the WDT or the FSCM is enabled.
4.5
Exiting Idle and Sleep Modes
An exit from Sleep mode, or any of the Idle modes, is
triggered by an interrupt, a Reset or a WDT time-out.
This section discusses the triggers that cause exits
from power-managed modes. The clocking subsystem
actions are discussed in each of the power-managed
modes sections (see Section 4.2 “Run Modes”,
).
4.5.1
EXIT BY INTERRUPT
Any of the available interrupt sources can cause the
device to exit from an Idle mode, or the Sleep mode, to
a Run mode. To enable this functionality, an interrupt
source must be enabled by setting its enable bit in one
of the INTCON or PIE registers. The exit sequence is
initiated when the corresponding interrupt flag bit is set.
On all exits from Idle or Sleep modes by interrupt, code
execution branches to the interrupt vector if the
GIE/GIEH bit (INTCON<7>) is set. Otherwise, code
execution continues or resumes without branching
4.5.2
EXIT BY WDT TIME-OUT
A WDT time-out will cause different actions depending
on which power-managed mode the device is in when
the time-out occurs.
If the device is not executing code (all Idle modes and
Sleep mode), the time-out will result in an exit from the
power-managed
mode
(see
and Section 4.3 “Sleep Mode”). If the device
is executing code (all Run modes), the time-out will
result in a WDT Reset (see Section 26.2 “Watchdog
).
The WDT and postscaler are cleared by one of the
following events:
Executing a SLEEP or CLRWDT instruction
The loss of a currently selected clock source (if
the FSCM is enabled)
4.5.3
EXIT BY RESET
Exiting an Idle or Sleep mode by Reset automatically
forces the device to run from the INTRC.
4.5.4
EXIT WITHOUT AN OSCILLATOR
START-UP DELAY
Certain exits from power-managed modes do not
invoke the OST at all. There are two cases:
PRI_IDLE mode (where the primary clock source
is not stopped) and the primary clock source is
the EC mode
PRI_IDLE mode and the primary clock source is
the ECPLL mode
In these instances, the primary clock source either does
not require an oscillator start-up delay, since it is already
running (PRI_IDLE), or normally does not require an
oscillator start-up delay (EC).
4.6
Deep Sleep Mode
Deep Sleep mode brings the device into its lowest
power consumption state without requiring the use of
external switches to remove power from the device.
During deep sleep, the on-chip VDDCORE voltage
regulator is powered down, effectively disconnecting
power to the core logic of the microcontroller.
Note:
Since Deep Sleep mode powers down the
microcontroller by turning off the on-chip
VDDCORE voltage regulator, Deep Sleep
capability is available only on PIC18FXXJ
members in the device family. The on-chip
voltage regulator is not available in
PIC18LFXXJ members of the device
family, and therefore, they do not support
Deep Sleep.
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