参数资料
型号: ISL12029
厂商: Intersil Corporation
英文描述: Real Time Clock/Calendar with EEPROM(带EEPROM实时时钟/日历)
中文描述: 实时时钟/日历带有EEPROM(带EEPROM的实时时钟/日历)
文件页数: 7/28页
文件大小: 426K
代理商: ISL12029
7
FN6206.6
October 18, 2006
Timing Diagrams
t
SU:STO
t
DH
t
HIGH
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t
F
t
LOW
t
BUF
t
AA
t
R
t
HD:STO
FIGURE 1. BUS TIMING
SCL
SDA
t
WC
8TH BIT OF LAST BYTE
ACK
STOP
CONDITION
START
CONDITION
FIGURE 2. WRITE CYCLE TIMING
t
RSP
<t
WDO
t
RST
RESET
SDA
t
RSP
Note: All inputs are ignored during the active reset period (t
RST
).
t
RST
SCL
t
RSP
>t
WDO
t
RSP
>t
WDO
START
STOP START
FIGURE 3. WATCHDOG TIMING
V
DD
V
RESET
RESET
t
PURST
t
PURST
t
R
t
F
t
RPD
V
RVALID
FIGURE 4. RESET TIMING
ISL12029
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