mpr081 Freescale Semiconductor, Inc, mpr081 Datasheet - Page 3
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mpr081
Manufacturer Part Number
mpr081
Description
Touch Pad Controller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPR081.pdf
(22 pages)
Sensors
Freescale Semiconductor
Table 5. I
(
Serial Clock Frequency
Bus Timeout
Bus Free Time Between a STOP and a START
Condition
Hold Time, (Repeated) START Condition
Repeated START Condition Setup Time
STOP Condition Setup Time
Data Hold Time
Data Setup Time
SCL Clock Low Period
SCL Clock High Period
Rise Time of Both SDA and SCL Signals,
Receiving
Fall Time of Both SDA and SCL Signals,
Receiving
Fall Time of SDA Transmitting
Pulse Width of Spike Suppressed
Capacitive Load for Each Bus Line
Typical Operating Circuit, V+ = 1.8 V to 3.6 V, T
2
C AC Characteristics
Characteristic
A
= T
MIN
to T
F
Symbol
t
t
t
t
t
TIMEOUT
SU, STO
HD, DAT
HD, STA
SU, STA
SU, DAT
t
t
t
f
t
HIGH
LOW
F.TX
t
SCL
BUF
C
MAX
t
t
SP
R
F
b
, unless otherwise noted. Typical values are at V+ = 3.3 V, T
Min
100
1.3
0.6
0.6
0.6
1.3
0.7
—
—
—
—
—
—
—
—
20+0.1C
20+0.1C
20+0.1C
31.25
Typ
50
—
—
—
—
—
—
—
—
—
—
b
b
b
Max
400
300
300
250
400
0.9
—
—
—
—
—
—
—
—
—
A
= +25°C.)
MPR081
Units
kHz
ms
µs
µs
µs
µs
µs
ns
µs
µs
ns
ns
ns
ns
pF
3