AD7225LNZ Datasheet, PDF(19/24 Page) Analog Devices – LC2MOS Quad 8-Bit DAC with Separate Reference Inputs

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AD7225LNZ Datasheet, PDF (19/24 Pages) Analog Devices – LC2MOS Quad 8-Bit DAC with Separate Reference Inputs

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MICROPROCESSER INTERFACE

A15

ADDRESS BUS

8085A/

8088

ALE

AD7

AD0

ADDRESS

DECODE

LATCH

LDAC

AD7225*

DB7

DB0

ADDRESS DATA BUS

*LINEAR CIRCUITRY OMITTED FOR CLARITY.

Figure 25. AD7225-to-8085A/8088 Interface, Double-Buffered Mode

A15

6809/

6502

R/W

E OR Î¦2

ADDRESS BUS

ADDRESS

DECODE

LDAC

AD7225*

DB7

DB0

DATA BUS

*LINEAR CIRCUITRY OMITTED FOR CLARITY.

Figure 27. AD7225-to-6809/6502 Interface, Single-Buffered Mode

AD7225

A15

Z-80

MREQ

ADDRESS BUS

ADDRESS

DECODE

LDAC

AD7225*

DB7

DB0

DATA BUS

*LINEAR CIRCUITRY OMITTED FOR CLARITY.

Figure 26. AD7225-to-Z-80 Interface, Double-Buffered Mode

A23

ADDRESS BUS

68008

DTACK

R/W

ADDRESS

DECODE

AD7225*

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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