DA70131-1/3E
III-4
1-1-2. I/F mode3 (IF1=H, IF0=L)
Note 1: When you need to control by only 8 bytes, without using the complete address map, the
address signals can be handled as follows:
("Address signal" as used in this example refers to signals output from the latching circuit.)
A3 to A19: Connect these lines to the decoding circuit and use them to create the
___
CS
signal.
A0 to A2: Connect these lines to A0 to A2 on the center device.
Connect A3 to A8 on the center device to GND.
G9001A
8086 type CPU
Decoding
circuit
CLK
System reset
VDD
Latch
A1 to A19
A1 to A8
Interrupt
control circuit
D0 to D15
GND
GND
VDD
System reset
M/
___
IO
ALE
A19 to A16
AD15 to AD0
INTR
_____
INTA
___
RD
___
WR
READY
RESET
MN/
___
MX
CLK
IF1
___
CS
IF0
A8 to A1
A0
D15
~
D0
____
INT
___
RD
___
WR
____
WRQ
____
RST
Содержание Motionnet G9001A
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