Prescaler Adjust Register - Motorola MVME2600 Series Reference Manual

GLMD
BAMD
DEFMx

Prescaler Adjust Register

Address
Bit
0 1 2 3 4 5 6 7 8 9
Name
Operation R
Reset $00
PADJ
Glance Mode. If set, the MPC arbiter will operate in the
Glance mode. Please refer to the section on the MPC
Arbiter for more information.
Benign Address Retry Mode. If set, the MPC arbiter will
operate in the benign address retry mode. Please refer to
the section on the MPC Arbiter for more information.
Default Master. This field specifies which MPC bus
master will be parked on the bus when default parking is
enabled. DEFM only has meaning when PRKEN and
PRKMD are both set.
DEFM1 DEFM0 Parked Device
0 0 device on ABR0*
0 1 device on ABR1*
1 0 device on ABR2*
1 1
$FEFF0010
1 1 1 1 1 1
0 1 2 3 4 5
R
$00
Prescaler Adjust. This register is used to specify a scale
factor for the prescaler to ensure that the time base for the
bus timer is 1 MHz. The scale factor is calculated as
follows:
PADJ = 256 - Clk,
Raven
1 1 1 1 2 2 2 2 2 2
6 7 8 9 0 1 2 3 4 5
R
$00
Registers
2
2 2 2 2 3 3
6 7 8 9 0 1
PADJ
R/W
$B4
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