ds12r885/ds12cr887/ds12r887
带有恒压涓流充电器的
RTC
_____________________________________________________________________ 5
PW
ASH
PW
EL
t
ASED
t
CYC
t
RWS
t
CS
t
RWH
t
CH
PW
EH
t
ASD
AD0–AD7
读
CS
r/ W
作
DS
AD0–AD7
写
t
DHW
t
DHR
t
DDR
t
AHL
t
ASL
t
DSW
__________________________________________________________ Motorola
总线读
/
写时序
_____________________________________________________________________________ Intel
总线写时序
PW
ASH
PW
ASL
PW
EH
t
CS
t
AHL
t
ASL
t
DSW
t
DHW
t
CH
t
ASD
t
ASD
t
CYC
CS
r/w
作
DS
AD0–AD7
写