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參數(shù)資料
| 型號： | R5F3650MDFB |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, LQFP-100 |
| 文件頁數(shù)： | 37/81頁 |
| 文件大?。?/td> | 879K |
| 代理商： | R5F3650MDFB |
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55
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
Bit 6 - WDIE: Watchdog Interrupt Enable
When this bit is written to one and the I-bit in the Status Register is set, the Watchdog Interrupt is
enabled. If WDE is cleared in combination with this setting, the Watchdog Timer is in Interrupt
Mode, and the corresponding interrupt is executed if time-out in the Watchdog Timer occurs.
If WDE is set, the Watchdog Timer is in Interrupt and System Reset Mode. The first time-out in
the Watchdog Timer will set WDIF. Executing the corresponding interrupt vector will clear WDIE
and WDIF automatically by hardware (the Watchdog goes to System Reset Mode). This is use-
ful for keeping the Watchdog Timer security while using the interrupt. To stay in Interrupt and
System Reset Mode, WDIE must be set after each interrupt. This should however not be done
within the interrupt service routine itself, as this might compromise the safety-function of the
Watchdog System Reset mode. If the interrupt is not executed before the next time-out, a Sys-
tem Reset will be applied.
Note:
1. For the WDTON Fuse “1” means unprogrammed while “0” means programmed.
Bit 4 - WDCE: Watchdog Change Enable
This bit is used in timed sequences for changing WDE and prescaler bits. To clear the WDE bit,
and/or change the prescaler bits, WDCE must be set.
Once written to one, hardware will clear WDCE after four clock cycles.
Bit 3 - WDE: Watchdog System Reset Enable
WDE is overridden by WDRF in MCUSR. This means that WDE is always set when WDRF is
set. To clear WDE, WDRF must be cleared first. This feature ensures multiple resets during con-
ditions causing failure, and a safe start-up after the failure.
Bit 5, 2..0 - WDP3..0: Watchdog Timer Prescaler 3, 2, 1 and 0
The WDP3..0 bits determine the Watchdog Timer prescaling when the Watchdog Timer is run-
ning. The different prescaling values and their corresponding time-out periods are shown in
Table 9-5.
Watchdog Timer Configuration
WDTON
WDE
WDIE
Mode
Action on Time-out
1
0
Stopped
None
1
0
1
Interrupt Mode
Interrupt
1
0
System Reset Mode
Reset
11
1
Interrupt and System Reset
Mode
Interrupt, then go to System
Reset Mode
0
x
System Reset Mode
Reset
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F3650MDFB#30 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 512KB FLASH 100QFP 制造商:Renesas Electronics Corporation 功能描述:M16C Series 16 Bit 512 kB Flash 31 kB Ram SMT Microcontroller - LQFP-100 |
| R5F3650MDFB#U0 | 功能描述:MCU 4KB FLASH 512/16K 100-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M16C™ M16C/60/65 標準包裝:96 系列:PIC® 16F 核心處理器:PIC 芯體尺寸:8-位 速度:20MHz 連通性:I²C，SPI 外圍設備:欠壓檢測/復位，POR，PWM，WDT 輸入/輸出數(shù):11 程序存儲器容量:3.5KB（2K x 14） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:128 x 8 電壓 - 電源 (Vcc/Vdd):2.3 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 ~ 125°C 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 包裝:管件 |
| R5F3650MDFB#V2 | 制造商:Renesas Electronics Corporation 功能描述:M16C65 FL 512/31 100QFP 2.7-5. 制造商:Renesas Electronics Corporation 功能描述:M16C65 FL 512/31 100QFP 2.7-5.5V -40/85C - Trays 制造商:Renesas Electronics Corporation 功能描述:MCU 32BIT 512KB FLASH 100QFP |
| R5F3650MNFA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:This MCU consumes low power, and supports operating modes |
| R5F3650MNFB | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:This MCU consumes low power, and supports operating modes |
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