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參數(shù)資料
| 型號： | R5F21122DFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 128/198頁 |
| 文件大?。?/td> | 1809K |
| 代理商： | R5F21122DFP |
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R8C/12 Group
Rev.1.20
Jan 27, 2006
page 25 of 181
REJ09B0110-0120
6.4.2 Wait Mode
In wait mode, the CPU clock is turned off, so are the CPU and the watchdog timer because both are
operated by the CPU clock. Because the main clock and on-chip oscillator clock both are on, the
peripheral functions using these clocks keep operating.
Peripheral Function Clock Stop Function
If the CM02 bit is “1” (peripheral function clocks turned off during wait mode), the f1, f2, f8, f32, f1SIO,
f8SIO, f32SIO, and fAD clocks are turned off when in wait mode, with the power consumption reduced
that much.
Entering Wait Mode
The microcomputer is placed into wait mode by executing the WAIT instruction.
Pin Status During Wait Mode
The status before wait mode is retained.
Exiting Wait Mode
The microcomputer is moved out of wait mode by a hardware reset or peripheral function interrupt.
When using a hardware reset to exit wait mode, set the ILVL2 to ILVL0 bits for the peripheral function
interrupts to “0002” (interrupts disabled) before executing the WAIT instruction.
The peripheral function interrupts are affected by the CM02 bit. If CM02 bit is “0” (peripheral function
clocks not turned off during wait mode), all peripheral function interrupts can be used to exit wait
mode. If CM02 bit is “1” (peripheral function clocks turned off during wait mode), the peripheral
functions using the peripheral function clocks stop operating, so that only the peripheral functions
clocked by external signals can be used to exit wait mode.
Table 6. 3 lists the interrupts to exit wait mode and the usage conditions.
When using a peripheral function interrupt to exit wait mode, set up the following before executing
the WAIT instruction.
1. In the ILVL2 to ILVL0 bits in the interrupt control register, set the interrupt priority level of the
peripheral function interrupt to be used to exit wait mode.
Also, for all of the peripheral function interrupts not used to exit wait mode, set the ILVL2 to ILVL0
bits to “0002” (interrupt disable).
2. Set the I flag to “1”.
3. Enable the peripheral function whose interrupt is to be used to exit wait mode.
In this case, when an interrupt request is generated and the CPU clock is thereby turned on, an
interrupt sequence is executed.
The CPU clock turned on when exiting wait mode by a peripheral function interrupt is the same CPU
clock that was on when the WAIT instruction was executed.
Interrupt
CM02=0
CM02=1
Serial interface interrupt
Can be used when operating with internal
or external clock
Can be used when operating with external clock
Key input interrupt
Can be used
A/D conversion interrupt
Can be used in one-shot mode
Timer X interrupt
Can be used in all modes
Can be used in event counter mode
Timer Y interrupt
(Do not use)
Can be used when counting inputs from CNTR1 pin
in timer mode
Can be used in all modes
INT interrupt
Can be used
Can be used (INT0 and INT3 can be used if there
is no filter.
Voltage detection interrupt
Can be used
Oscillation stop detection
interrupt
Can be used
(Do not use)
Timer Z interrupt
Can be used in all modes
(Do not use)
Timer C interrupt
Can be used in all modes
(Do not use)
Table 6.3 Interrupts to Exit Wait Mode and Usage Conditions
6.4 Power Control
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F21122DFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 8KB Flash 3.3V/5V 32-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 8KB FLASH 3.3V/5V 32LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 32LQFP |
| R5F21122DFP#V0 | 功能描述:IC R8C MCU FLASH 8K 32LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/12 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
| R5F21122FP | 制造商:Renesas Electronics Corporation 功能描述:16BIT MCU FLASH SMD 21122 LQFP32 |
| R5F21122FP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 8KB FLASH 3.3V/5V 32LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 32LQFP |
| R5F21122FP#V0 | 功能描述:IC R8C MCU FLASH 8K 32LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/12 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
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