DIO24, User Manual
Bit
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0
Field
PR FR
Default
0x02
X X X X X X X X
Bit Field
Description
31-24
Reserved
23-16 SID
Sub ID: This identifies the board’s type within the product family.
15-8
PR
PCB Revision: This identified the board’s PCB revision.
7-0
FR
Firmware Revision: This gives the revision number of the FPGA firmware.
4.3.2. Board Control Register (BCR, 0x04, 32, RW)
This register is used to control various board operations.
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Field
Default
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0
Field
CO
BR
Default
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit Field
Description
31-1
Reserved
4 CO
Clock Out: Writing a one here enables the clock output on cable signal D24. The D24 bit must
also be configured as an output via the IO Control Register (see section 4.3.4).
0 BR
Board Reset: Writing a one here resets the board. The IOCR and DDOR are programmed to zero.
The bit clears itself. The operation is completed within a single PCI bus access cycle. Writing a
zero has no affect.
4.3.3. Board Status Register (BSR, 0x08, 32, RO)
This register reports the status of various board features.
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Field
UJ1 UJ0
Default
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
Bit
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0
Field
Default
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit Field
Description
31-18
Reserved
17 UJ1
User Jumper 1: This reports the status of User Jumper 1, which is jumper block J2, pins 7-8. If a
jumper is installed the value is one. The value is zero if a jumper is not installed. In the factory
configuration the jumper is installed.
16 UJ0
User Jumper 0: This reports the status of User Jumper 0, which is jumper block J2, pins 5-6. If a
jumper is installed the value is one. The value is zero if a jumper is not installed. In the factory
configuration the jumper is installed.
15-0
Reserved
17
General Standards Corporation, Phone: (256) 880-8787
