AD7225KRZ-REEL Ver la hoja de datos (PDF) - Analog Devices
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AD7225KRZ-REEL Datasheet PDF : 24 Pages
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MICROPROCESSER INTERFACE
A15
A8
ADDRESS BUS
8085A/
8088
WR
ALE
AD7
AD0
ADDRESS
DECODE
LATCH
EN
A0
A1
LDAC
AD7225*
WR
DB7
DB0
ADDRESS DATA BUS
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
Figure 25. AD7225-to-8085A/8088 Interface, Double-Buffered Mode
A15
A0
6809/
6502
R/W
E OR Φ2
D7
D0
ADDRESS BUS
ADDRESS
DECODE
EN
A0
A1
LDAC
AD7225*
WR
DB7
DB0
DATA BUS
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
Figure 27. AD7225-to-6809/6502 Interface, Single-Buffered Mode
AD7225
A15
A8
Z-80
MREQ
WR
D7
D0
ADDRESS BUS
ADDRESS
DECODE
EN
A0
A1
LDAC
AD7225*
WR
DB7
DB0
DATA BUS
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
Figure 26. AD7225-to-Z-80 Interface, Double-Buffered Mode
A23
ADDRESS BUS
A1
68008
AS
DTACK
R/W
D7
D0
ADDRESS
DECODE
EN
A0
A1
AD7225*
WR
LDAC
DB7
DB0
DATA BUS
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
Figure 28. AD7225-to-68008 Interface, Single-Buffered Mode
Rev. C | Page 19 of 24
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