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IDT 89HPES64H16AG2 Data Sheet
GPIO[21] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
Alternate function pin name: HP1PWRGDN
Alternate function pin type: Input
Alternate function: Hot Plug Signal Group 1 Power Enable Input.
GPIO[22] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP1MRLN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 1 Manually Operated Reten-
tion Latch Input.
2nd Alternate function pin name: P1LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 1 Link Up Status Output.
GPIO[23] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP1AIN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 1 Attention Indicator Output.
2nd Alternate function pin name: P1ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 1 Link Active Status Output.
GPIO[24] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP1PIN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 1 Power Indicator Output.
2nd Alternate function pin name: P2LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 2 Link Up Status Output.
GPIO[25] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP1PEP
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 1 Power Enable Output.
2nd Alternate function pin name: P2ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 2 Link Active Status Output.
GPIO[26] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP1RSTN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 1 Reset Output.
2nd Alternate function pin name: P3LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 3 Link Up Status Output.
GPIO[27] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2APN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 2 Attention Push Button
Input.
2nd Alternate function pin name: P3ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 3 Link Active Status Output.
Signal Type Name/Description
Table 5 General Purpose I/O Pins (Part 3 of 7)
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IDT 89HPES64H16AG2 Data Sheet
GPIO[28] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2PDN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 2 Presence Detect Input.
2nd Alternate function pin name: P4LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 4 Link Up Status Output.
GPIO[29] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2PFN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 2 Power Fault Input.
2nd Alternate function pin name: P4ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 4 Link Active Status Output.
GPIO[30] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2PWRGDN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 2 Power Good Input.
2nd Alternate function pin name: P5LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 5 Link Up Status Output.
GPIO[31] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2MRLN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 2 Manually Operated Reten-
tion Latch Input.
2nd Alternate function pin name: P5ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 5 Link Active Status Output.
GPIO[32] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2AIN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 2 Attention Indicator Output.
2nd Alternate function pin name: P6LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 6 Link Up Status Output.
GPIO[33] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2PIN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 2 Power Indicator Output.
2nd Alternate function pin name: P6ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 6 Link Active Status Output.
GPIO[34] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2PEP
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 2 Power Enable Output.
2nd Alternate function pin name: P7LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 7 Link Up Status Output.
Signal Type Name/Description
Table 5 General Purpose I/O Pins (Part 4 of 7)
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IDT 89HPES64H16AG2 Data Sheet
GPIO[35] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP2RSTN
1st Alternate function pin type: Output
1st Alternate function: Hot Plug Signal Group 2 Reset Output.
2nd Alternate function pin name: P7ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 7 Link Active Status Output.
GPIO[36] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP3APN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 3 Attention Push Button
Input.
2nd Alternate function pin name: P8LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 8 Link Up Status Output.
GPIO[37] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP3PDN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 3 Presence Detect Input.
2nd Alternate function pin name: P8ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 8 Link Active Status Output.
GPIO[38] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP3PFN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 3 Power Fault Input.
2nd Alternate function pin name: P9LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 9 Link Up Status Output.
GPIO[39] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP3PWRGDN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 3 Power Good Input.
2nd Alternate function pin name: P9ACTIVEN
2nd Alternate function pin type: Output
2nd Alternate function: Port 9 Link Active Status Output.
GPIO[40] I/O General Purpose I/O.
This pin can be configured as a general purpose I/O pin.
1st Alternate function pin name: HP3MRLN
1st Alternate function pin type: Input
1st Alternate function: Hot Plug Signal Group 3 Manually Operated Reten-
tion Latch Input.
2nd Alternate function pin name: P10LINKUPN
2nd Alternate function pin type: Output
2nd Alternate function: Port 10 Link Up Status Output.
Signal Type Name/Description
Table 5 General Purpose I/O Pins (Part 5 of 7)

89H64H16AG2ZCBLGI

Mfr. #:
Manufacturer:
IDT
Description:
PCI Interface IC PCIE GEN2 SWITCH
Lifecycle:
New from this manufacturer.
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