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SIM5360_Hardware Design_V1.06
2016-11-17
39
KBR4
KBR3
KBR2
KBR1
KBR0
KBC0
KBC1
KBC2
KBC3
KBC4
Module
Figure 25: Reference circuit
If these pins are configured for GPIOs, the sequence is listed in the following table.
Table 20: Keypad multiplexing function
Pin name
Pin number
Mode 0(default)
Mode 1
KBR4
34
KBR4
GPIO15
KBR3
35
KBR3
GPIO14
KBR2
30
KBR2
GPIO13
KBR1
33
KBR1
GPIO12
KBR0
29
KBR0
GPIO11
KBC4
36
KBC4
GPIO6
KBC3
32
KBC3
GPIO8
KBC2
31
KBC2
GPIO7
KBC1
27
KBC1
GPIO10
KBC0
28
KBC0
GPIO9
Note: Refer to document [23] for detailed information of Keypad Application Note.
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