Hardware Description
TWR-P1025 Hardware User Guide, Rev. 0
Freescale Semiconductor
13
Table 3-10. P1025 Interrupt Usage
IRQ
Usage
0
Accelerometer
1
TSEC1
2
TSEC3
3
GPIO Expander
4
Unused (Connected to CPLD)
5
Elevator Common Interrupt (this is a logical AND
of ELEV_IRQ_[A:H] on the primary elevator.
Table 3-11. P1025 GPIO Usage
GPIO
Usage
GPIO_EXPAND0
Primary elevator GPIO1
GPIO_EXPAND1
Primary elevator GPIO5
GPIO_EXPAND2
Primary elevator GPIO7
GPIO_EXPAND3
Primary elevator GPIO8
GPIO_EXPAND4
Primary elevator GPIO9
GPIO_EXPAND5
Primary elevator GPIO14
GPIO_EXPAND6
Primary elevator GPIO15
GPIO_EXPAND7
Primary elevator GPIO16
GPIO_EXPAND8
Secondary elevator
GPIO27/J4.13
GPIO_EXPAND9
Secondary elevator
GPIO28/J4.15
GPIO_EXPAND10
Secondary elevator
GPIO17/J4.17
GPIO_EXPAND11
Secondary elevator
GPIO26/J4.16
GPIO_EXPAND12
Primary elevator GPIO4/J4.18
GPIO_EXPAND13
Primary elevator GPIO6/J4.20
GPIO_EXPAND14
Unused/CPLD
GPIO_EXPAND15
Unused/CPLD
CE_PB27
LED D2
CE_PB31
LED D3