Installation guide

1-12 Registers
Table 1-3 KA7AA Internal Processor Registers (Continued)
Mnemonic Register Name
Address
Dec Hex Type
MAPEN
Memory Management Enable
1
56 38 R/W
TBIA
Translation Buffer Invalidate
All
57 39 WO
TBIS
Translation Buffer Invalidate
Single
58 3A WO
PME
Performance Monitor Enable
1
61 3D R/W
SID
System Identification 62 3E RO
TBCHK
Translation Buffer Check 63 3F WO
LMBOX
Mailbox 121 79 WO
INTSYS
Interrupt System Status
2
122 7A R/W
PMFCNT
Performance Monitoring Facil-
ity Count
123 7B R/W
PCSCR
Patchable Control Store Con-
trol
2
124 7C R/W
ECR
Ebox Control 125 7D R/W
MTBTAG
Mbox TB Tag Fill
2
126 7E WO
MTBPTE
Mbox TB PTE Fill
2
127 7F WO
BIU_CTL
BIU Control 160 A0 WO
DIAG_CTL
Diagnostic Control 161 A1 WO
BC_TAG
B-Cache Error Tag 162 A2 RO
BIU_STAT
BIU Status 164 A4 W1C
BIU_ADDR
BIU Address 166 A6 RO
FILL_SYN
Fill Syndrome 168 A8 RO
FILL_ADDR
Fill Address 170 AA RO
IPR_STR_
COND
STxC Pass Fail/CEFSTS 172 AC R/W
1
Initialized on reset.
2
Testability and diagnostic use only; not for software use in normal operation.