PXN20RM Datasheet, PDF (214/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

System Integration Unit (SIU)
Table 8-21. SIU_ISEL1 Field Descriptions (continued)
Field
Description¹
ESEL1
External IRQ Input Select 1. Specifies input for IRQ1.
00 PB1 pin.
01 PC1 pin.
10 PD1 pin.
11 ISEL2.
ESEL0
External IRQ Input Select 0. Specifies input for IRQ0.
00 PB0 pin.
01 PC0 pin.
10 PD0 pin.
11 ISEL2.
1 _{Pins specified in this table must be configured as general purpose inputs to be used as external IRQs.}
8-32
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor