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參數(shù)資料
| 型號(hào)： | MAXQ612J-0000+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 12 MHz, RISC MICROCONTROLLER, QCC44 |
| 封裝： | ROHS COMPLIANT, TQFN-44 |
| 文件頁數(shù)： | 24/35頁 |
| 文件大?。?/td> | 1430K |
| 代理商： | MAXQ612J-0000+ |
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16-Bit Microcontrollers with
Infrared Module and Optional USB
MAXQ612/MAXQ622
30 _____________________________________________________________________________________
nanopower ring-oscillator cycles. If VDD > VRST during
detection, VDD is monitored for an additional nanopower
ring-oscillator period. If VDD remains above VRST for
the third nanopower ring period, the CPU exits the reset
state and resumes normal operation from utility ROM at
8000h after satisfying the crystal warmup period.
If a reset is generated by any other event, such as the
RESET pin being driven low externally or the watchdog
timer, the power-fail, internal regulator, and crystal
remain on during the CPU reset. In these cases, the CPU
exits the reset state in less than 20 crystal cycles after
the reset source is removed.
Table 5. Power-Fail Detection States During Normal Operation
STATE
POWER-FAIL
INTERNAL
REGULATOR
CRYSTAL
OSCILLATOR
SRAM
RETENTION
COMMENTS
A
On
Off
—
VDD < VPOR.
B
On
—
VPOR < VDD < VRST.
Crystal warmup time, tXTAL_RDY.
CPU held in reset.
C
On
—
VDD > VRST.
CPU normal operation.
D
On
—
Power drop too short.
Power-fail not detected.
E
On
—
VRST < VDD < VPFW.
PFI is set when VRST < VDD < VPFW and
maintains this state for at least tPFW, at
which time a power-fail interrupt is gener-
ated (if enabled).
CPU continues normal operation.
F
On
(Periodically)
Off
Yes
VPOR < VDD < VRST.
Power-fail detected.
CPU goes into reset.
Power-fail monitor turns on periodically.
G
On
—
VDD > VRST.
Crystal warmup time, tXTAL_RDY.
CPU resumes normal operation from
8000h.
H
On
(Periodically)
Off
Yes
VPOR < VDD < VRST.
Power-fail detected.
CPU goes into reset.
Power-fail monitor turns on periodically.
I
Off
—
VDD < VPOR.
Device held in reset. No operation allowed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAXQ612J-0000+ | 功能描述:16位微控制器 - MCU 16-Bit MCU w/Infrared Module RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ612J-UEI+ | 制造商:Maxim Integrated Products 功能描述:MAXQ612 BLANK 44 TQFN FW SCRT UEI - Rail/Tube |
| MAXQ612X-UEI+ | 制造商:Maxim Integrated Products 功能描述:MAXQ612 BLANK BARE DIE FW SCRT UEI - Gel-pak, waffle pack, wafer, diced wafer on film |
| MAXQ613 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| MAXQ613 16位微控制器 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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