NXP Semiconductors PXN2020 - 8.3.2.18 IMUX Select Register 4 (SIU_ISEL4)

System Integration Unit (SIU)
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor 8-35
8.3.2.18 IMUX Select Register 4 (SIU_ISEL4)
The SIU_ISEL4 register specifies the source for the trigger input for ADC.
ESEL1 External IRQ Input Select 1. Specifies input for IRQ1.
00 PE1 pin.
01 PF1 pin.
10 PG1 pin.
11 ISEL2A.
ESEL0 External IRQ Input Select 0. Specifies input for IRQ0.
00 PE0 pin.
01 PF0 pin.
10 PG0 pin.
11 ISEL2A.
Offset: SIU_BASE + 0x0910 Access: User read/write
0123456789101112131415
R0000000000000000
W
Reset0000000000000000
0123456789101112131415
R0
TSEL1
0
TSEL0
W
Reset0000000000000000
Figure 8-21. ADC Trigger Input Select Register 4 (SIU_ISEL4)
Table 8-23. SIU_ISEL4 Field Descriptions
Field Description
TSEL0 ADC External Trigger for start of conversion.
000_0000 PE10.
000_0001 PE11.
000_0010 PE12.
000_0011 PE13.
000_0100 PIT2.
000_0101 – 111_1111 Reserved (default is PE10).
TSEL1 Trigger for injected trigger.
000_0000 PE10.
000_0001 PE11.
000_0010 PE12.
000_0011 PE13.
000_0100 PIT2.
000_0101 – 111_1111 Reserved (default is PE10).
Table 8-22. SIU_ISEL2 Field Descriptions (continued)
Field Description