Datasheet

PCA9527_1 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 01 — 29 June 2009 10 of 22
NXP Semiconductors
PCA9527
3-channel bidirectional bus extender for HDMI, I
2
C-bus and SMBus
Fig 8. Typical star application
V
CC(B)
V
CC(A)
PCA9527
SDAA SDAB
SCLA SCLB
EN
10 kΩ 10 kΩ
SDA
SCL
BUS
MASTER
SLAVE
400 kHz
SDA
SCL
V
CC(B)
V
CC(A)
10 kΩ
10 kΩ
V
CC(B)
V
CC(A)
PCA9527
SDAA SDAB
SCLA SCLB
EN
10 kΩ
10 kΩ
SLAVE
400 kHz
SDA
SCL
002aad974
V
CC(B)
V
CC(A)
PCA9527
SDAA SDAB
SCLA SCLB
EN
10 kΩ
10 kΩ
SLAVE
400 kHz
SDA
SCL
10 kΩ
CECA
INT or RESET
CECB
INT or
RESET
CECA CECB
CECA CECB
INT or
RESET
INT or
RESET
10 kΩ
10 kΩ
10 kΩ
Fig 9. Typical series application
002aad975
PCA9527
SDAA SDAB
SCLA SCLB
EN
SDA
SCL
BUS
MASTER
SLAVE
400 kHz
SDA
SCL
10 kΩ 10 kΩ
PCA9527
SDAA SDAB
SCLA SCLB
EN
V
CC
PCA9527
SDAA SDAB
SCLA SCLB
EN
10 kΩ
CECA CECB CECA CECB CECA CECB
INT or
RESET
10 kΩ 10 kΩ
10 kΩ
10 kΩ 10 kΩ
10 kΩ
10 kΩ 10 kΩ
10 kΩ
INT or
RESET
INT or
RESET
INT or
RESET