參數(shù)資料
型號: MA31750
廠商: Dynex Semiconductor Ltd.
英文描述: High Performance MIL-STD-1750 Microprocessor
中文描述: 高性能的MIL - STD - 1750微處理器
文件頁數(shù): 1/42頁
文件大小: 436K
代理商: MA31750
MA31750
1/42
The Dynex Semiconductor MA31750 is a single-chip
microprocessor that implements the full MIL-STD-1750A
instruction set architecture, or Option 2 of Draft MIL-STD-
1750B. The processor executes all mandatory instructions and
many optional features are also included. Interrupts, fault
handling, memory expansion, Console, timers A and B, and
their related optional instructions are also supported in full
accordance with MIL-STD-1750.
The MA31750 offers a considerable performance increase
over the existing MAS281. This is achieved by using a 32-bit
internal bus structure with a 24 x 24 bit multiplier and 32-bit
ALU. Other performance-enhancing features include a 32-bit
shift network, a multi-port register file and a dedicated address
calculation unit.
The MA31750 has on-chip parity generation and checking
to enhance system integrity. A comprehensive built-in self-test
has also been incorporated, allowing processor functionality to
be verified at any time.
Console operation is supported through a parallel interface
using command/data registers in l/O space. Several discrete
output signals are produced to minimise external logic.
Control signals are also provided to allow inclusion of the
MA31750 into a multiprocessor or DMA system.
The processor can directly access 64KWords of memory in
full accordance with MIL-STD-1750A. This increases to
1MWord when used with the optional MA31751 memory
management unit (MMU). 1750B mode allows the system to
be expanded to 8MWord with the MMU.
IO control
DOUT
Register
file
Address
generator
Sequencer
Microcode ROM
ALU
Qshift
Multiplier
Shift network
Interrupt
controller
Flags
Bus
Control
Parity
Bus
arb.
Address
Data
CLK
ebf
Microcode control
words to other blocks
Y bus
R bus
S bus
Ints
Faults
INTAKN
BUSFAULTN
uAddr
C0
C1
IB
IA
X
BR
rap
sc
mov
ir
abort
uData
bf
IC
A
aluv
Figure 1: Architecture
High Performance MIL-STD-1750 Microprocessor
Replaces
July 1999
version,
DS3748-7.0
DS3748-8.0
January 2000
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