Datasheet

PCA9527_1 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 01 — 29 June 2009 11 of 22
NXP Semiconductors
PCA9527
3-channel bidirectional bus extender for HDMI, I
2
C-bus and SMBus
Fig 10. Typical application of PCA9527 driving a short cable
Fig 11. Bus A (2.7 V to 5.5 V bus) waveform
Fig 12. Bus B (2.7 V to 5.5 V) waveform
002aad976
V
CC(B)
V
CC(A)
SDAA SDAB
SCLA SCLB
10 kΩ 10 kΩ
V
CCB
V
CC(A)
R
PU
GND
75 Ω
75 Ω
R
PU
10 kΩ
(optional)
MASTER
OR
SLAVE
CARD 1
CARD 2
EN
CECA
75 Ω
CECB
INT or RESET
002aad431
9th clock pulse
acknowledge
SCLA
SDAA
002aad977
9th clock pulse
acknowledge
SCLB
SDAB
V
OL
of slave
V
OL
of PCA9527