MAS17502LS 查看數據表（PDF） - Dynex Semiconductor
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MAS17502LS Datasheet PDF : 30 Pages
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MA17502
Status
Control
Physical Page
Address
Clock
Control
Address/Data
Bus
8
4
8
1
MA17501
10
Execution
20
Unit
16
Control
Control
Faults
Interrupts
Timer
Controls
Power
Reset
1
MA17502
Control
20
M Bus
16
Unit
10
7
MA17503
3
9
Interrupt
Unit
4
3
16
16
MA31751
Block
7
Protection
& Memory
8
Management
Unit
3
4
Data
13
Address
9
Control
1
Data
16
Address
7
Control
1
4
MAS281 Chip Set
1
Figure 1: MAS281 Chip Set With Optional MA17504 and Support RAMs
Signature
AD00 - AD15
CC00 - CC11
CLKPC
CLK02
CS
HOLD
IR
M00 - M19
NC
PIF
RESET
ROMONLY
T1
VDD
GND
l/O
I
I/O
I
I
I
I
I
I/O/Z
-
I
I
I
I
Definition
External 16-Bit Address/Data Bus
12-Bit Microcode Address Bus
Precharge Clock
Phase 2 Clock
Chip Select
Hold Request Suspends lnternal Processor Functions
Interrupt Request
20-Bit Microcode Bus
No Connection
Privileged lnstruction Fault
Rest Indicates Device Initialization
Indicates if Control Unit to be Used as ROM Only
Branch or Jump Control
Power (External), 5 Volts
Ground
Table 1: Signal Definitions
Page
RAM
512 x 13
Protection
RAM
128 x 16
2/30
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