Preliminary
THCV245A_Rev.0.90_E
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11.4 2-wire serial Master/Slave AC Specifications
Table 65.
2-wire serial Slave AC Specifications (Sub-Link Master)
Table 66.
2-wire serial Master AC Specifications (Sub-Link Slave)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
f SCL
SCL clock f requency
-
-
-
1000
kHz
tHD;STA
Hold time (repeated) START condition
-
0.26
-
-
us
tLOW
LOW period of the SCL clock
-
0.5
-
-
us
tHIGH
HIGH period of the SCL clock
-
0.26
-
-
us
tSU;STA
Set-up time for a repeated START
condition
-
0.26
-
-
us
Data hold time: output
-
0
2*tOSC
-
us
Data hold time: input
-
0
-
-
ns
Data setup time: output
-
50
-
-
ns
Data setup time: input
-
50
-
-
ns
tr
Rise time of both SDA and SCL signals
-
-
-
120(*1)
ns
tf
Fall time of both SDA and SCL signals
pull-up:2.5kΩ,
bus capacitance
: 400pF
-
-
120
ns
tSU;STO
Setup time f or STOP condition
-
0.26
-
-
ns
tBUF
Bus free time betw een a STOP
and START condition
-
0.5
-
-
us
tSP
Pulse w idth of spikes w hich must be
suppressed by the input f ilter
(at R_IOFLT_RANGE 2:5)
-
-
-
50
ns
tPDS
Required w ait time f rom PDN0 high
to START condition
-
300
-
-
us
*1 Please adjust Pull-up resistor and bus capacitance to meet the spec value.
tHD;DAT
tSU;DAT
Symbol
Parameter
Condition
Min
Typ
Max
Unit
tOSC
Cycle of internal oscillator clock
-
11.7
12.5
15.7
ns
tHD;STA
Hold time (repeated) START condition
-
-
(16×
R_I2C_SCL_HW
+ 16) * tOSC
-
us
tLOW
LOW period of the SCL clock
-
-
(16×
R_I2C_SCL_HW
+ 16) * tOSC
-
us
tHIGH
HIGH period of the SCL clock
-
-
(16×
R_I2C_SCL_HW
+ 5) * tOSC
-
us
Data hold time: output
9*tOSC
us
Data hold time: input
0
ns
Data setup time: output
tLOW – 9 * tOSC
ns
Data setup time: input
0
ns
tr
Rise time of both SDA and SCL signals
-
-
-
120(*1)
ns
tf
Fall time of both SDA and SCL signals
pull-up:2.5kΩ,
bus capacitance
: 400pF
-
-
120
ns
tSU;STO
Setup time f or STOP condition
-
0.26
-
-
ns
*1 Please adjust Pull-up resistor and bus capacitance to meet the spec value.
tHD;DAT
tSU;DAT