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Publication No.
500-9300007876-000
Rev. C.0
FPGA Registers 89
Table 8-14 BIT Control/Status Register (0x629)
Bit
R/W
Description
Default
7
R/W
HRESET
1 = Board reset requested
0 = Board reset not requested
0
6-5
R/W
Bit Run Status
00 = BIT not previously run
01 = Fast BIT performed
10 = Full BIT performed
11 = Fast Start Performed
0
(sticky when
reset using
HRESET req)
4
R/W
Pass/Fail
1 = Failed
0 = Passed
1
(sticky when
reset using
HRESET req)
3
R/W
FAST BIT enable
1 = Fast BIT enabled (via BIOS setting)
0 = Fast BIT disabled
0
2
R/W
FAST Start enable
1 = Fast Start enabled (Via BIOS setting)
0 = Fast Start Disabled
0
1
R
FAST Start Input (GPIO0)
1
0
R/W
BIT Run
1 = BIT has been run
0 = BIT not been run
0
(sticky when
reset using
HRESET req)
Table 8-15 NVRAM Memory Space Page Register (0x635)
Bit
R/W
Description
Reserved
7-3
R
Reserved
0
2:0
R/W
64K Byte page select
NVRAM address 18:16
Driven onto NVRAM bus when NVRAM is accessed
0
Table 8-16 Timer 0 Control and Status Register 1 (CSR1) (0x650)
Bit
R/W
Description
Reserved
7
R
Timer IRQ status
1 = Pending
0 = No Interrupt
NA