pca8885 NXP Semiconductors, pca8885 Datasheet - Page 30

• Manufacturer Part Number: pca8885
• Description: Capacitive 8-channel Proximity Switch With Auto-calibration And Very Low Power Consumption
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA8885
Objective data sheet
Fig 22. I
SDA
SDA
SCL
SCL
2
C interface timing
t
SU;STA
70 %
30 %
17.1 I
S
t
t
f
HD;STA
t
f
70 %
2
30 %
Fig 21. Switching time with respect to sampling frequency
Sr
C interface timing
1
st
1 / f
clock cycle
(1) <tbd>
t
r
SCL
t
HD;STA
t
HD;DAT
70 %
30 %
70 %
All information provided in this document is subject to legal disclaimers.
30 %
t
SP
t
SU;DAT
Rev. 1 — 24 November 2011
Capacitive 8-channel proximity switch with auto-calibration
t
r
70 %
30 %
70 %
30 %
t
VD;ACK
t
LOW
9
th
clock
t
HIGH
t
SU;STO
70 %
30 %
t
VD;DAT
P
013aaa233
t
BUF
S
PCA8885
© NXP B.V. 2011. All rights reserved.
9
th
013aaa557
clock
cont.
cont.
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