MAX503 Maxim, MAX503 Datasheet - Page 12

• Manufacturer Part Number: MAX503
• Description: 5V / Low-Power / Parallel-Input / Voltage-Output / 10-Bit DAC
• Manufacturer: Maxim

5V, Low-Power, Parallel-Input,
Voltage-Output, 10-Bit DAC
Figure 5. 4-Bit µP Interface
Figure 6. 4-Bit µP Timing Sequence
Figure 8a. 8-Bit and 16-Bit µP Timing Sequence Using LDAC
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MC6800
A0–A15
D0–D3
R/W
LDAC
NBM
NBH
NBL
WR
CS
2
NBL & NBM
ADDRESS BUS A0, A1
DATA BUS
SYSTEM
RESET
LDAC
FROM
NBH
WR
CS
A0 = 1, A1 = 1
S0, S1, D0, D1
CLR
A0, A1
D0–D3
EN
WR
DECODER
A13–A15
MAX503
CS LDAC
D0–D3
D2–D5
A0 = 1, A1 = 0
A0 = A1 = 1
Figure 7. 8-Bit and 16-Bit µP Interface
A0 = 0, A1 = 1
A0 = A1 = 0
MC6809
A0–A15
D0–D7
R/W
E
ADDRESS BUS
DATA BUS
SYSTEM
FROM
RESET
DAC UPDATE
DAC UPDATE
A0
CLR
A0–A1
EN
WR
S0, S1, D0–D5
A13–A15
DECODER
D0–D7
MAX503
CS LDAC