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COMe-P2020 User Guide
72
Register is read only, read value is always 0x00.
Table 3-73: 0x37D: Board Interrupt Enable Register 4
ACTION D7 D6 D5 D4 D3 D2 D1 D0
READ0000000 0
WRITENUNUNUNUNUNUNU NU
POWER UP0000000 0
Table 3-74: 0x380: Interrupt Multiplexer Register 1
ACTION D7 D6 D5 D4 D3 D2 D1 D0
READ MuxSel3 MuxSel2 MuxSel1 MuxSel0
WRITE MuxSel3 MuxSel2 MuxSel1 MuxSel0
POWER UP0011001 0
BITFIELD DESCRIPTION
[D0-D1] MuxSel0 Interrupt/GPIO Multiplexer for *UC_IRQ[7]#* line, connected to:
"00" = line is not used
"01" = *CON_IRQ[1]#* line
"10" = IRQ header line (default state!)
"11" = Watchdog line
[D2-D3] MuxSel1 Interrupt/GPIO Multiplexer for *UC_IRQ[8]#* line, connected to:
"00" = line is not used
"01" = *CON_IRQ[2]#* line
"10" = IRQ header line
"11" = Watchdog line
[D4-D5] MuxSel2 Interrupt/GPIO Multiplexer for *UC_IRQ[9]#* line, connected to:
"00" = line is not used
"01" = *CON_IRQ[3]#* line
"10" = IRQ header line
"11" = Watchdog line (default state!)
[D6-D7] MuxSel3 Interrupt/GPIO Multiplexer for *UC_IRQ[10]#* line, connected to:
"00" = line is not used
"01" = *CON_IRQ[4]#* line
"10" = IRQ header line
"11" = Watchdog line
Table 3-75: 0x381: Interrupt Multiplexer Register 2
ACTION D7 D6 D5 D4 D3 D2 D1 D0
READ 00 00 00 MuxSel5
WRITE NU NU NU MuxSel5
POWER UP0000000 0
BITFIELD DESCRIPTION
[D0-D1] MuxSel5 Interrupt/GPIO Multiplexer for *UC_IRQ[11]#* line, connected to:
"00" = line is not used
"01" = *CON_IRQ[5]#* line
"10" = IRQ header line
"11" = Watchdog line
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