參數(shù)資料
型號: PCA9564
廠商: NXP Semiconductors N.V.
英文描述: Parallel bus to I2C-bus controller
中文描述: 并行總線I2C總線控制器
文件頁數(shù): 22/31頁
文件大?。?/td> 222K
代理商: PCA9564
Philips Semiconductors
Product data
PCA9564
Parallel bus to I
2
C-bus controller
2003 Apr 02
22
SDA
SCL
SU01755
t
HD;STA
t
F
S
t
LOW
t
R
t
HD;DAT
t
SU;DAT
t
HIGH
t
F
t
SU;STA
S
R
t
HD;STA
t
SP
t
SU;STO
P
t
R
t
BUF
S
Figure 18. Definition of timing
I
2
C-BUS TIMING SPECIFICATIONS
All the timing limits are valid within the operating supply voltage and ambient temperature range; V
DD
= 2.5 V
±
0.2 V and 3.3 V
±
0.3 V,
T
amb
= -40 to +85
°
C; and refer to V
IL
and V
IH
with an input voltage of V
SS
to V
DD
.
SYMBOL
PARAMETER
STANDARD MODE
I
2
C BUS
MIN
0
FAST MODE
I
2
C BUS
MIN
0
UNITS
MAX
100
MAX
400
f
SCL
t
BUF
t
HD;STA
t
SU;STA
t
SU;STO
t
HD;DAT
t
VD;ACK
t
VD;DAT(L)
t
VD;DAT(H)
t
SU;DAT
t
LOW
t
HIGH
t
F
t
R
t
SP
Operating frequency
kHz
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
μ
s
ns
μ
s
μ
s
μ
s
μ
s
ns
Bus free time between STOP and START conditions
4.7
1.3
Hold time after (repeated) START condition
4.0
0.6
Repeated START condition setup time
4.7
0.6
Setup time for STOP condition
4.0
0.6
Data in hold time
0
0
Valid time for ACK condition
0.6
0.6
Data out valid time LOW
0.6
0.6
Data out valid time HIGH
0.6
0.6
Data setup time
250
100
Clock LOW period
4.7
1.3
Clock HIGH period
4.0
0.6
Clock/Data fall time
0.3
0.3
Clock/Data rise time
1
0.3
Pulse width of spikes that must be suppressed by the input filters
50
50
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