Motorola MVME1X7P User Manual
4-20
Computer Group Literature Center Web Site
MCECC Functions
4
SCRB
This status bit reflects the state of the scrubber. When the
scrubber is in the process of doing a scrub, this bit is set.
When the scrubber is between scrubs, this bit is cleared.
scrubber is in the process of doing a scrub, this bit is set.
When the scrubber is between scrubs, this bit is cleared.
Scrub Period Register Bits 15-8
The Scrub Period Control register controls how often a scrub of the entire
memory is performed if the SCRBEN bit is set in the Scrub Control
register. The time between scrubs is approximately two seconds times the
value programmed into the Scrub Period register. The scrub period can be
programmed from once every four seconds to once every 36 hours. This
register contains bits 15-8 of the Scrub Period register.
memory is performed if the SCRBEN bit is set in the Scrub Control
register. The time between scrubs is approximately two seconds times the
value programmed into the Scrub Period register. The scrub period can be
programmed from once every four seconds to once every 36 hours. This
register contains bits 15-8 of the Scrub Period register.
Scrub Period Register Bits 7-0
This register contains bits 7-0 of the Scrub Period register.
ADR/SIZ
1st $FFF43028/2nd $FFF43128 (8-bits)
BIT
31
30
29
28
27
26
25
24
NAME
SBPD15 SBPD14 SBPD13 SBPD12 SBPD11 SBPD10 SBPD9
SBPD8
OPER
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RESET
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
ADR/SIZ
1st $FFF4302C/2nd $FFF4312C (8-bits)
BIT
31
30
29
28
27
26
25
24
NAME
SBPD7
SBPD67
SBPD5
SBPD4
SBPD3
SBPD2
SBPD1
SBPD0
OPER
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RESET
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS
1 PLS