参数资料
型号: MAXQ622-KIT#
厂商: Maxim Integrated Products
文件页数: 25/35页
文件大小: 0K
描述: EVALUATION KIT FOR MAXQ622
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: MAXQ®
类型: MCU
适用于相关产品: MAXQ622
所含物品: 2 个板,线缆,CD
相关产品: MAXQ622X-0000+-ND - IC MCU 16BIT IR MOD BARE DIE
MAXQ622G-0000+-ND - IC MCU 16BIT 128KB IR MOD 64LQFP
其它名称: 90-M6900#KIT
31
Maxim Integrated
16-Bit Microcontrollers with
Infrared Module and Optional USB
MAXQ612/MAXQ622
Table 6. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
Figure 6. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled
VPFW
VRST
VPOR
A
B
C
D
E
F
VDD
t
< tPFW
t
≥ tPFW
t
≥ tPFW
STOP
INTERNAL RESET
(ACTIVE HIGH)
STATE
POWER-FAIL
INTERNAL
REGULATOR
CRYSTAL
OSCILLATOR
SRAM
RETENTION
COMMENTS
A
On
Off
Yes
Application enters stop mode.
VDD > VRST.
CPU in stop mode.
B
On
Off
Yes
Power drop too short.
Power-fail not detected.
C
On
Yes
VRST < VDD < VPFW.
Power-fail warning detected.
Turn on regulator and crystal.
Crystal warmup time, tXTAL_RDY.
Exit stop mode.
D
On
Off
Yes
Application enters stop mode.
VDD > VRST.
CPU in stop mode.
E
On
(Periodically)
Off
Yes
VPOR < VDD < VRST.
Power-fail detected.
CPU goes into reset.
Power-fail monitor turns on periodically.
F
Off
VDD < VPOR.
Device held in reset. No operation allowed.
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