pca9511a NXP Semiconductors, pca9511a Datasheet - Page 9

• Manufacturer Part Number: pca9511a
• Description: Hot Swappable I2c-bus And Smbus Bus Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 13269
Product data sheet
Fig 7. Hot swapping multiple I/O cards into a backplane using the PCA9511A in a cPCI, VME, and AdvancedTCA
BD_SEL
SDA
SCL
V
Remark: The PCA9511A can be used in any combination depending on the number of rise time accelerators that are
needed by the system. Normally only one PCA9511A would be required per bus.
system
CC
10 k
BACKPLANE
R1
R2
10 k
CONNECTOR
BACKPLANE
Rev. 01 — 15 August 2005
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
HOT SWAP
HOT SWAP
HOT SWAP
ENABLE
SDAIN
SCLIN
ENABLE
SDAIN
SCLIN
ENABLE
SDAIN
SCLIN
Hot swappable I
R3
10 k
R7
10 k
R11
10 k
I/O PERIPHERAL CARD N
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
GND
GND
GND
V
V
V
CC
CC
CC
SDAOUT
SCLOUT
SDAOUT
SCLOUT
SDAOUT
SCLOUT
READY
READY
READY
C1
0.01 F
C3
0.01 F
C5
0.01 F
2
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
C-bus and SMBus bus buffer
R4
10 k
R8
10 k
R12
10 k
PCA9511A
R5
10 k
R9
10 k
R13
10 k
R6
10 k
R10
10 k
R14
10 k
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
CARDN_SDA
CARDN_SCL
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