Datasheet

Table 23. GPIO mapping (continued)
Processor signal Board function Description
GPIO function Primary function
GPIO3_05
Pin number Signal name Direction (type) I/O voltage
2 GPIO3_11 Bidirectional (input/
output)
3 GPIO3_04 Bidirectional (input/
output)
4 GPIO3_12 Bidirectional (input/
output)
5 GPIO3_02 Bidirectional (input/
output)
6 GPIO3_05 Bidirectional (input/
output)
7 GND
8 GND
9 GPIO3_03 Bidirectional (input/
output)
10 GPIO3_08 Bidirectional (input/
output)
11 GPIO3_07 Bidirectional (input/
output)
12 GPIO3_14 Bidirectional (input/
output)
13 GND
14 GND
15 GPIO3_10 Bidirectional (input/
output)
16 GPIO3_15 Bidirectional (input/
output)
17 GPIO3_13 Bidirectional (input/
output)
18 GPIO3_16 Bidirectional (input/
output)
19 GPIO3_09 Bidirectional (input/
output)
20 GPIO3_17 Bidirectional (input/
output)
EC1_TXD0
GPIO3_03 EC1_TXD2
GPIO3_08 EC1_GTX_CLK125
GPIO3_07 EC1_GTX_CLK
GPIO3_14 EC1_RX_DV
GPIO3_10 EC1_RXD2
GPIO3_15 EC2_TXD3
GPIO3_13 EC1_RX_CLK
GPIO3_16 EC2_TXD2
GPIO3_09 EC1_RXD3
GPIO3_17 EC2_TXD1
FRWY-LS1046A Functional Description
Layerscape FRWY-LS1046A Board Reference Manual, Rev. 0, 26 April 2019
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NXP Semiconductors