Reserved pin’s description, Single-ended gpo pins’ description – Kontron AM4024e User Manual
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T E R N A L U S E O N L Y
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User Guide
AM4024(E)
The following table indicates the reserved pin which must not be connected to external circuitry.
Note:
The reserved pin indicated above is reserved for optional use and must not be connected
to external circuitry. Failure to comply with the instruction above may cause damage to the
board or result in improper system operation.
The following table lists the Extended Options Region pins with no differential signals:
Note:
The Extended Options Region pins listed above do not have differential signals. They have
3.3V TTL signaling voltage.
The following table lists the single-ended GPO pins:
79
GND
Logic Ground
-
92
GND
Logic Ground
-
80
FCLKA+
PCIe Reference Clock +
Carrier
91
Tx8+
Not Connected
AMC
81
FCLKA-
PCIe Reference Clock -
Carrier
90
Tx8-
Not Connected
AMC
82
GND
Logic Ground
-
89
GND
Logic Ground
-
83
PS0#
Presence 0
Carrier
88
Rx8+
Not Connected
Carrier
84
PWR
Payload Power
Carrier
87
Rx8-
Not Connected
Carrier
85
GND
Logic Ground
-
86
GND
Logic Ground
-
Table 15: Reserved Pin’s Description
AMC PIN
AMC PORT
FUNCTION
I/O
SIGNALING VOLTAGE
6
--
Optional PCI Express reset output
O
3.3V TTL level
Table 16: Extended Options Region Single-Ended Pins’ Description
AMC PIN
AMC PORT
FUNCTION
I/O
SIGNALING VOLTAGE
133
15
Tx serial port (COMA)
O
3.3V TTL level
132
15
Rx serial port (COMA)
I
3.3V TTL level
127
14
Debug serial data output
O
3.3V TTL level
126
14
Debug serial clock output
O
3.3V TTL level
Table 17: Single-Ended GPO Pins’ Description
AMC PIN
AMC PORT
FUNCTION
I/O
SIGNALING VOLTAGE
139
16
General purpose output: GPO1
O
3.3V TTL level
138
16
General purpose output: GPO2
O
3.3V TTL level
Table 14: Pinout of AMC Card-edge Connector J1 on the AM4024 (Continued)
BASIC SIDE (COMPONENT SIDE 1)
EXTENDED SIDE (COMPONENT SIDE 2)
PIN
SIGNAL
FUNCTION
DRIVEN BY PIN
SIGNAL
FUNCTION
DRIVEN BY