Eurotech Appliances PXA270 Interrupt assignments, Internal interrupts, External interrupts, Active, Peripheral, PXA270 Pin Signal name, Intel PXA27x Processor Family Developer’s Manual

ZEUS Technical Manual Detailed hardware description

Interrupt assignments

Internal interrupts

For details on the PXA270 interrupt controller and internal peripheral interrupts please see the Intel PXA27x Processor Family Developer’s Manual on the Development Kit CD.

External interrupts

The following table lists the PXA270 signal pins used for external interrupts:

PXA270 Pin Signal name		Peripheral	Wake-up		Active
GPIO0	AC97_IRQ	Audio	3
GPIO1	GPIO_IRQ#	External GPIO	3
GPIO9	UART_INTA	UART 1	3
GPIO10	UART_INTB	UART 2	3
GPIO11	UART_INTD	UART 4	3
GPIO12	UART_INTC	UART 3	3
GPIO13	USER_LINK1	User defined	3	User defined
GPIO14	ETH0_IRQ#	Ethernet 0	3
GPIO17	ISA_IRQ	PC/104	3
GPIO20	ISA_RST#	PC/104
GPIO35	CF_CD#	CompactFlash	3
GPIO53	MMC_CD	SDIO	3
GPIO88	USB_OC1#	USB1
GPIO91	USER_LINK2	User defined	3	User defined
GPIO96	OVERTEMP	Temperature sensor
GPIO99	CF_RDY	CompactFlash		Ready =		Busy =
GPIO102	USER_LINK2	User defined	3	User defined
GPIO113	ETH1_IRQ#	Ethernet 1	3
GPIO114	USB_OC2#	USB2
GPIO115	IG_FAIL#	PSU (10-30V)
GPIO116	CAN_IRQ#	CAN Bus	3

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