User's Manual

MaaXBoard Mini HW UserManual V0.0
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2.2.10 Extend Interface J5
J5 on the MaaXBoard Mini is a 12 pins Wafer connector, used to support GPIO function.
The following picture shows the information of the 12 pins Wafer connector J5:
Figure 2.5 12Pin Wafer Connector
Table 2.7 J23 Pin Definition
Expansion Interface1 (J5)
Pin Signal Ball Description Signal Type
1 NVCC_3V3 3.3V/500mA power output Power
2 GND Ground Ground
3 SAI1_MCLK AB18 SAI1 master clock output IO
4 SAI1_RXD0 AG15 SAI1 receive data bit0
5 SAI1_RXD1 AF15 SAI1 receive data bit1
6 SAI1_RXD2 AG17 SAI1 receive data bit2
7 SAI1_RXD3 AF17 SAI1 receive data bit3
8 SAI1_RXD4 AG18 SAI1 receive data bit4
9 SAI1_RXD5 AF18 SAI1 receive data bit5