pca9535d NXP Semiconductors, pca9535d Datasheet - Page 20

• Manufacturer Part Number: pca9535d
• Description: 16-bit I2c And Smbus, Low Power I/o Port With Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9535_PCA9535C_3
Product data sheet
Fig 20. Definition of timing on the I
Fig 21. I
SDA
SCL
Rise and fall times refer to V
2
C-bus timing diagram
P
t
BUF
protocol
SDA
SCL
S
Fig 22. t
SCL
t
IOn
SU;STA
t
t
HD;STA
BUF
condition
t
LOW
START
(S)
t
HD;STA
IL
v(Q)
and V
2
timing
C-bus
t
t
t
LOW
r
HD;DAT
t
r
IH
.
MSB
bit 7
(A7)
t
HIGH
Rev. 03 — 4 October 2007
t
t
HIGH
SU;DAT
t
16-bit I
f
1
/f
bit 6
(A6)
t
v(Q)
SCL
t
f
t
2
HD;DAT
t
C-bus and SMBus, low power I/O port with interrupt
SU;DAT
(R/W)
bit 0
PCA9535; PCA9535C
t
VD;DAT
acknowledge
Sr
SCL
IOn
(A)
t
SU;STA
t
HD;STA
t
VD;ACK
condition
STOP
(P)
t
SU;STO
002aab175
t
SP
t
SU;STO
© NXP B.V. 2007. All rights reserved.
t
v(Q)
002aaa986
P
002aad327
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