參數(shù)資料
型號(hào): bq2012
廠商: Benchmark Technology Group
英文描述: Gas Gauge IC With Slow-Charge Control(Gas Gauge芯片(帶慢充電控制))
中文描述: 氣體計(jì)IC緩慢充電控制(電量監(jiān)測(cè)計(jì)芯片(帶慢充電控制))
文件頁(yè)數(shù): 18/20頁(yè)
文件大小: 188K
代理商: BQ2012
18
bq2012
Serial Communication Timing Specification
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
t
CYCH
Cycle time, host to bq2012
3
-
-
ms
See note
t
CYCB
Cycle time, bq2012 to host
3
-
6
ms
t
STRH
Start hold, host to bq2012
5
-
-
ns
t
STRB
Start hold, bq2012 to host
500
-
-
μ
s
t
DSU
Data setup
-
-
750
μ
s
t
DH
Data hold
750
-
-
μ
s
t
DV
Data valid
1.50
-
-
ms
t
SSU
Stop setup
-
-
2.25
ms
t
SH
Stop hold
700
-
-
μ
s
t
SV
Stop valid
2.95
-
-
ms
t
B
Break
3
-
-
ms
t
BR
Break recovery
1
-
-
ms
Note:
The open-drain DQ pin should be pulled to at least V
CC
by the host system for proper DQ operation.
DQ may be left floating if the serial interface is not used.
TD201002.eps
DQ
(R/W "1")
tSTRH
tSTRB
tDSU
tDH
tDV
tSV
tSSU
tSH
tCYCH, tCYCB, tB
tBR
DQ
(R/W "0")
DQ
(BREAK)
Serial Communication Timing Illustration
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