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Table 18: Pinout of AMC Card-edge Connector J1 on the AM4024E (Continued)
BASIC SIDE (COMPONENT SIDE 1)
PIN
SIGNAL
78
TCLKB-
Not Connected
79
GND
Logic Ground
80
FCLKA+
PCIe Reference Clock +
81
FCLKA-
PCIe Reference Clock -
82
GND
Logic Ground
83
PS0#
Presence 0
84
PWR
Payload Power
85
GND
Logic Ground
The following table indicates the reserved pin which must not be connected to external circuitry.
Table 19: Reserved Pin Description
AMC PIN
AMC PORT
6
--
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:
Table 20: Extended Options Region Single-Ended Pins Description
AMC PIN
AMC PORT
133
15
132
15
127
14
126
14
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:
Table 21: Single-Ended GPO Pins Description
AMC PIN
AMC PORT
139
16
138
16
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FUNCTION
DRIVEN BY
AMC
-
Carrier
Carrier
-
Carrier
Carrier
-
FUNCTION
Optional PCI Express reset output
FUNCTION
Tx serial por t (COMA)
Rx ser ial por t (COMA)
Debug serial data output
Debug serial clock output
FUNCTION
General purpose output: GPO1
General purpose output: GPO2
EXTENDED SIDE (COMPONENT SIDE 2)
PIN
SIGNAL
FUNCTION
93
Rx9-
GbE-9 Receiver -
92
GND
Logic Ground
91
Tx8+
GbE-8 Transmitter +
90
Tx8-
GbE-8 Transmitter -
89
GND
Logic Ground
88
Rx8+
GbE-8 Receiver +
87
Rx8-
GbE-8 Receiver -
86
GND
Logic Ground
I/O
O
I/O
O
I
O
O
I/O
O
O
User Guide
AM4024(E)
DRIVEN BY
Carr ier
-
AMC
AMC
-
Carr ier
Carr ier
-
SIGNALING VOLTAGE
3.3V TTL level
SIGNALING VOLTAGE
3.3V TTL level
3.3V TTL level
3.3V TTL level
3.3V TTL level
SIGNALING VOLTAGE
3.3V TTL level
3.3V TTL level
40
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