Download User`s Manual Dual Processor System Controller

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Memory System
7.6.3 BMX_Buffer_Control Register
The XB1_Buffer_Control Register is also referred to as Memory Control Register 04 at address
90. It contains the Phase Control words for the MRBCtrl and MWBCtrl Waveform generators.
Table 7-14 MRB_Control Register
>66.7,
<=83.5
MHz
> 83.5
MHz
Field
Bits
<= 66.7
MHz
MWB<15:0>
31:16
2d16
2d16
MRB<15:0>
15:0
2498
249a
Description
Type
3128
Phase control word for MWBCtrl
on Writes
RW
249c
Phase control word for MRBCtrl
on Reads
RW
7.6.4 CAS_WR_Control Register
The CAS_WR_Control Register is also referred to as Memory Control Register 05 at address 94.
It contains the Phase Control words for the CAS Waveform generators for write operations for
both bank zero and bank one.
Table 7-15 CAS_WR_Control Register
124
>66.7,
<=83.5
MHz
> 83.5
MHz
Field
Bits
<= 66.7
MHz
CAS_WR_1<15:0>
31:16
24cb
24cb
255d
Phase control word for CAS on
Writes to bank one.
RW
CAS_WR_0<15:0>
15:0
84b7
6537
a547
Phase control word for CAS on
Writes to bank zero.
RW
Description
Dual Processor System Controller ASIC Specification
Sun Proprietary
Type
February 1997