Table 1.7 General Purpose I/O Pins - Renesas IDT 89HPES48H12G2 User Manual

Pci express switch
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IDT PES48H12G2 Device Overview
Notes
PES48H12G2 User Manual
Signal
Type
SSMBADDR[2,1]
I
Slave SMBus Address. These pins determine the SMBus address to
which the slave SMBus interface responds.
SSMBCLK
I/O
Slave SMBus Clock. This bidirectional signal is used to synchronize trans-
fers on the slave SMBus.
SSMBDAT
I/O
Slave SMBus Data. This bidirectional signal is used for data on the slave
SMBus.
Table 1.6 SMBus Interface Pins (Part 2 of 2)
Signal
Type
GPIO[0]
I/O
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
Alternate function pin name: PART0PERSTN
Alternate function pin type: Input/Output
Alternate function: Assertion of this signal initiated a partition fundamental
reset in the corresponding partition.
GPIO[1]
I/O
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
Alternate function pin name: PART1PERSTN
Alternate function pin type: Input/Output
Alternate function: Assertion of this signal initiated a partition fundamental
reset in the corresponding partition.
GPIO[2]
I/O
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
Alternate function pin name: PART2PERSTN
Alternate function pin type: Input/Output
Alternate function: Assertion of this signal initiated a partition fundamental
reset in the corresponding partition.
GPIO[3]
I/O
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
Alternate function pin name: PART3PERSTN
Alternate function pin type: Input/Output
Alternate function: Assertion of this signal initiated a partition fundamental
reset in the corresponding partition.
GPIO[4]
I
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function — Reserved
2nd Alternate function pin name: P0LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 0 Link Up Status output.
GPIO[5]
O
General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: GPEN
1st Alternate function pin type: Output
1st Alternate function: Hot-plug general purpose even output.
2nd Alternate function pin name: P0ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 0 Link Active Status Output.
Table 1.7 General Purpose I/O Pins (Part 1 of 2)
1 - 9
Name/Description
Name/Description
April 5, 2013

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