參數(shù)資料
型號(hào): MAXQ61CA-XXXX+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, QCC32
封裝: ROHS COMPLAINT, TQFN-32
文件頁(yè)數(shù): 14/26頁(yè)
文件大?。?/td> 1372K
代理商: MAXQ61CA-XXXX+
16-Bit Microcontroller with Infrared Module
MAXQ61C
______________________________________________________________________________________ 21
Table 3. 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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