Technical Note
BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV
Oscillation Frequency Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)
Limits
Parameter
Symbol
Unit
Conditions
MIN
57.6
51.2
45.0
MIN
64
64
-
MIN
70.4
73.0
64
Frame frequency 1
Frame frequency 2
Frame frequency 3
fFR1
fFR2
fFR3
Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting
Hz VDD=2.5 ~ 3.6V
Hz VDD=1.8 ~ 2.5V
fFR=64Hz setting
fFR=64Hz setting
MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)
Limits
Unit
Parameter
Symbol
Conditions
MIN
-
TYP
MAX
Input rise time
tr
-
-
-
-
-
-
-
-
-
-
50
50
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Input fall time
tf
-
SCL cycle time
“H” SCL pulse width
“L” SCL pulse width
SD setup time
tSCYC
tSHW
tSLW
tSDS
tSDH
tCSS
tCSH
tCHW
250
50
50
50
50
50
50
50
-
-
-
SD hold time
-
CSB setup time
CSB hold time
-
-
“H” CSB pulse width
-
tCHW
CSB
tCSS
tCSH
tr
tSCYC
tf
tSLW
SCL
tSHW
tSDH
tSDS
SD
Fig.2 Serial Interface Timing
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2010.04 - Rev.A
7/23