ADLINK cPCI-7300 - Manual (Page 28)

20 • Registers
BURST_HNDSHK (R/W)
0: disable burst handshaking mode
1: enable burst handshake mode
* Note: This bit is for Rev.B only.
3.4 Auxiliary Digital I/O Register
Auxiliary 4-bit digital inputs and 4-bit digital outputs
Address: BASE + 08
Attribute: READ/WRITE
Data Format:
Bit # 3~0 DO_AUX_3 DO_AUX_2 DO_AUX_1 DO_AUX_0
Bit # 7~4 DI_AUX_3 DI_AUX_2 DI_AUX_1 DI_AUX_0
Bit # 31~8 Don’t Cared
This auxiliary digital I/O is controlled by porgram I/O only.
DO_AUX_3 ~ DO_AUX_0 (R/W)
4-bit auxiliary output port. Program I/O only.
DI_AUX_3 ~ DI_AUX_0 (R)
4-bit auxiliary input port. Program I/O only
3.5 INT_CSR: Interrupt Control and Status Register
The interrupt of PCI-7300A is controlled and status is checked through this
register.
Address: BASE + 0x0C
Attribute: READ/WRITE
Data Format:
Bit # 3~0 T2_INT AUXIO_INT T2_EN AUXDI0_EN
Bit # 7~4 - - Reserved Reserved
Bit # 31~8 Don’t Cared
AUXDI_EN (R/W)
0: Disable AUXDI0 interrupt
1: Interrupt CPU on falling edge of AUXDI0