參數(shù)資料
型號(hào)： FM32L272-GTR
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO14
封裝： GREEN, MS-012AB, SOIC-14
文件頁(yè)數(shù)： 2/21頁(yè)
文件大小： 418K
代理商： FM32L272-GTR
FM32L278/L276/L274/L272 - 3V I2C Companion
Rev. 3.1
July 2010
Page 10 of 21
09h
Watchdog Restart & Flags
D7
D6
D5
D4
D3
D2
D1
D0
WTR
POR
LB
-
WR3
WR2
WR1
WR0
WTR
Watchdog Timer Reset Flag: When a watchdog timer fault occurs, the WTR bit will be set to 1. It must be cleared
by the user. Note that both WTR and POR could be set if both reset sources have occurred since the flags were
cleared by the user. Battery-backed. Read/Write (internally set, user can clear bit).
POR
Power-on Reset Flag: When the /RST pin is activated by VDD < VTP, the POR bit will be set to 1. It must be
cleared by the user. Note that both WTR and POR could be set if both reset sources have occurred since the flags
were cleared by the user. Battery-backed. Read/Write (internally set, user can clear bit).
LB
Low Backup Flag: On power up, if the VBAK source is below the minimum voltage to operate the event counters,
this bit will be set to 1. The user should clear it to 0 when initializing the system. Battery-backed. Read/Write
(internally set, user can clear bit).
WR3-0
Watchdog Restart: Writing a pattern 1010b to WR3-0 restarts the watchdog timer. The upper nibble contents do
not affect this operation. Writing any pattern other than 1010b to WR3-0 has no effect on the timer. This allows
users to clear the WTR, POR, and LB flags without affecting the watchdog timer. Battery-backed, Write-only.
00-08h
Reserved – DO NOT USE THIS ADDRESS SPACE
相關(guān)PDF資料
PDF描述
FM32L272-G SPECIALTY CONSUMER CIRCUIT, PDSO14
FM32L274-GTR SPECIALTY CONSUMER CIRCUIT, PDSO14
FM32L274-G SPECIALTY CONSUMER CIRCUIT, PDSO14
FM32L276-GTR SPECIALTY CONSUMER CIRCUIT, PDSO14
FM32L276-G SPECIALTY CONSUMER CIRCUIT, PDSO14
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FM32L274 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:3V Integrated Processor Companion with Memory
FM32L274-G 功能描述:F-RAM 16K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor
FM32L274-GTR 功能描述:F-RAM 16K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor
FM32L276 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:3V Integrated Processor Companion with Memory
FM32L276-G 功能描述:F-RAM 64K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor
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