Rainbow Electronics MX7535 - Manual (Page 14)

MX7534/MX7535
Microprocessor-Compatible,
14-Bit DACs
14 ______________________________________________________________________________________
ADDRESS
DECODE
ADDRESS BUS
DATA BUS
AS
DTACK
A1–A23
MC68000
LDAC
CSLSB
CSMSB
WR
D0–D13 D0–D15
MX7535*
*SOME CIRCUITRY OMITTED FOR CLARITY
R/W
Figure 11a. MX7535—MC68000 Interface
ADDRESS
DECODE
ADDRESS BUS
DATA BUS
AS
DTACK
A1–A23
A1 A0
D0–D7
A2 A1
MC68000
CS
WR
D0–D7
MX7534*
*SOME CIRCUITRY OMITTED FOR CLARITY
R/W
Figure 11b. MX7534—MC68000 Interface
CSMSB
WR
D0–D13
LDAC
CSLSB
ADDRESS
DECODE
16-BIT
LATCH
ADDRESS BUS
CSMSB
CSLSB
LDAC
WR
CS4 CS2
CS1
D0–D13
D0–D13
MX7535*
MX7535*
MX7535*
*SOME CIRCUITRY OMITTED FOR CLARITY
ALE
8086
AD0–AD15
WR
CSMSB
CSLSB
LDAC
WR
DATA BUS
CS3
Figure 10. MX7535—8086 Interface: Multiple DAC Systems