IDT89HPES4T4ZBBC IDT, Integrated Device Technology Inc, IDT89HPES4T4ZBBC Datasheet - Page 3
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IDT89HPES4T4ZBBC
Manufacturer Part Number
IDT89HPES4T4ZBBC
Description
IC PCI SW 4LANE 4PORT 144-CABGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT89HPES4T4ZBBC8.pdf
(30 pages)
Specifications of IDT89HPES4T4ZBBC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
89HPES4T4ZBBC
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General Purpose Input/Output
be configured independently as an input or output through software control, and some GPIO pins are shared with another on-chip functions. These
alternate functions may be enabled via software or serial configuration EEPROM.
Pin Description
active polarity of a signal is defined using a suffix. Signals ending with an “N” are defined as being active, or asserted, when at a logic zero (low) level.
All other signals (including clocks, buses, and select lines) will be interpreted as being active, or asserted, when at a logic one (high) level.
IDT 89HPES4T4 Data Sheet
The PES4T4 provides 5 General Purpose Input/Output (GPIO) pins that may be used by the system designer as bit I/O ports. Each GPIO pin may
The following tables lists the functions of the pins provided on the PES4T4. Some of the functions listed may be multiplexed onto the same pin. The
PEREFCLKP
PEREFCLKN
MSMBCLK
MSMBDAT
PE0RP[0]
PE0RN[0]
PE0TN[0]
PE2RP[0]
PE2RN[0]
PE2TN[0]
PE3RP[0]
PE3RN[0]
PE3TN[0]
PE4RP[0]
PE4RN[0]
PE4TN[0]
PE0TP[0]
PE2TP[0]
PE3TP[0]
PE4TP[0]
Signal
Signal
Type
Type
I/O
I/O
O
O
O
O
I
I
I
I
I
PCI Express Port 0 Serial Data Receive. Differential PCI Express receive
pair for port 0.
PCI Express Port 0 Serial Data Transmit. Differential PCI Express trans-
mit pair for port 0.
PCI Express Port 2 Serial Data Receive. Differential PCI Express receive
pair for port 2.
PCI Express Port 2 Serial Data Transmit. Differential PCI Express trans-
mit pair for port 2.
PCI Express Port 3 Serial Data Receive. Differential PCI Express receive
pair for port 3.
PCI Express Port 3 Serial Data Transmit. Differential PCI Express trans-
mit pair for port 3.
PCI Express Port 4 Serial Data Receive. Differential PCI Express receive
pair for port 4.
PCI Express Port 4 Serial Data Transmit. Differential PCI Express trans-
mit pair for port 4.
PCI Express Reference Clock. Differential reference clock pair input. This
clock is used as the reference clock by on-chip PLLs to generate the clocks
required for the system logic and on-chip SerDes.
Master SMBus Clock. This bidirectional signal is used to synchronize
transfers on the master SMBus.
Master SMBus Data. This bidirectional signal is used for data on the mas-
ter SMBus.
Table 1 PCI Express Interface Pins
Table 2 SMBus Interface Pins
3 of 30
Name/Description
Name/Description
January 25, 2011