參數(shù)資料
型號: HMS81C20XXA-HK
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver
中文描述: CMOS單芯片8位微控制器與A / D轉(zhuǎn)換器
文件頁數(shù): 89/107頁
文件大?。?/td> 1482K
代理商: HMS81C20XXA-HK
HMS81C2012A/2020A
SEP. 2004 Ver 2.00
85
Figure 20-2 Example S/W of RESET flow by Power fail
Figure 20-3 Power Fail Processor Situations
FUNTION
EXECUTION
INITIALIZE RAM DATA
PFS =1
NO
RESET VECTOR
INITIALIZE ALL PORTS
INITIALIZE REGISTERS
RAM CLEAR
YES
Skip the
initial routine
PFS = 0
Internal
RESET
Internal
RESET
Internal
RESET
V
DD
V
DD
V
DD
V
PFD
MAX
V
PFD
MIN
V
PFD
MAX
V
PFD
MIN
V
PFD
MAX
V
PFD
MIN
64mS
64mS
t <64mS
64mS
When PFR = 1
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