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MSM80C85AHGS-2K Просмотр технического описания (PDF) - Oki Electric Industry
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MSM80C85AHGS-2K
8-Bit CMOS MICROPROCESSOR
Oki Electric Industry
MSM80C85AHGS-2K Datasheet PDF : 29 Pages
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¡ Semiconductor
FUNCTIONAL BLOCK DIAGRAM
INTR
INTA
RST
5.5 6.5 7.5 TRAP
MSM80C85AHRS/GS/JS
SID SOD
Interrupt Control
8-Bit Internal Data Bus
Serial I/O Control
Accumulator
(8)
Temporary Register
(8)
Flag (5)
Flip Flops
Instruction
Register (8)
Power
+5V
Supply
GND
Arithmetic
Logic Unit
ALU(8)
Instruction
Decoder
And
Machine
Cycle
Encoding
Power Down
Timing And Control
X
1
CLK
X
2
GEN
Control
Status
DMA
Reset
B REG (8)
C REG (8)
D REG (8)
E REG (8)
H REG (8)
C REG (8)
Stack Pointer (16)
Program Counter (16)
Incrementer/Decrementer
Address Latch (16)
Register
Array
Address Buffer (8)
Data/Address
Buffer (8)
CLK READY
RD WR
ALE S0 S1 IO /
M
HOLD HLDA
RESET IN
RESET OUT
OUT
A
15
- A
8
Address Bus
AD
7
- AD
0
Address/Data Bus
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