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MA17501 Datasheet(PDF) 13 Page - Dynex Semiconductor

Part # MA17501
Description  Radiation Hard MIL-STD-1750A Execution unit
PDF  35 Pages
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Manufacturer  DYNEX [Dynex Semiconductor]
Direct Link  http://www.dynexsemi.com
Logo DYNEX - Dynex Semiconductor

MA17501 Datasheet(HTML) 13 Page - Dynex Semiconductor

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MA17501
13/35
Cycles*
Command
Operation
Code(Hex)
Mnemonic
M
P
B
Implemented in MAS281
Set Fault Register
0401
SFR
2
3
9
Set lnterrupt Mask
2000
SMK
2
3
9
Clear lnterrupt Request
2001
CLlR
2
3
9
Enable lnterrupts
2002
ENBL
2
3
9
Disable Interrupts
2003
DSBL
2
3
9
Reset Pending Interrupt
2004
RPI
2
3
9
Set Pending lnterrupt Register
2005
SPI
2
3
9
Reset Normal Power Up Discrete
200A
RNS
2
3
9
Write Status Word
200E
WSW
2
3a
8.5a
Enable Start-Up ROM
4004
ESUR
2
3
9
Disable Start-up ROM
4005
DSUR
2
3
9
Direct Memory Access Enable
4006
DMAE
2
3
9
Direct Memory Access Disable
4007
DMAD
2
3
9
Timer A Start
4008
TAS
2
3
9
Timer A Halt
4009
TAH
2
3
9
Output Timer A
400A
OTA
2
3
9
Reset Trigger-Go
400B
GO
2
3
9
Timer B Start
400C
TBS
2
3
9
Timer B Halt
400D
TBH
2
3
9
Output Timer B
400E
OTB
2
3
9
Read Configuration Word
8400
RCW
2
2
4
Read Fault Register without Clear
8401
RFR
2
2
4
Read Interrupt Mask
A000
RMK
2
2
4
Read Pending Interrupt Register
A004
RPlR
2
2
4
Read Status Word
A00E
RSW
2
1
4
Read and Clear Fault Register
A00F
RCFR
2
2
4
lnput Timer A
C00A
lTA
2
2
4
Input Timer B
C00E
lTB
2
2
4
Implemented in BPU
Memory Protect Enable
4003
MPEN
2
4
8
Load Memory Protect RAM
S0XX
LMP
2
4
8
Read Memory Protect RAM
D0XX
RMP
2
3
3
Implemented in MMU
Write Instruction Page Register
S1XY
WIPR
2
4
8
Write Operand Page Register
52XY
WOPR
2
4
8
Read Memory Fault Status
A00D
RMFS
2
3
3
Read lnstruction Page Register
D1XY
RlPR
2
3
3
Read Operand Page Register
D2XY
ROPR
2
3
3
M = memory, P = processor (5 OSC cycles), B = processor (6 OSC cycles), a = average if more than one
alternative exlsts.
Table 3: Internal I/O Command Summary



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