LM9830VJDX NSC [National Semiconductor], LM9830VJDX Datasheet - Page 8

• Manufacturer Part Number: LM9830VJDX
• Description: LM9830 36-Bit Color Document Scanner
• Manufacturer: NSC [National Semiconductor]

Timing Diagrams
SELECT IN
AUTOFEED
AUTOFEED
AUTOFEED
SELECT IN
SELECT IN
STROBE
STROBE
STROBE
D0 - D7
D0 - D7
D0 - D7
SELECT (D1, D5)
BUSY
BUSY
BUSY
ERROR (D0, D4)
ACK (D3, D7)
AUTOFEED
SELECT IN
PE (D2, D6)
STROBE
BUSY
t
t
SETUP1
SETUP1
t
SETUP2
t
SETUP2
Figure 3: Parallel Port 8 Bit Data Read
t
t
t
SI-B1
EPP ACCESS
AF-B3
t
AF-B1
Figure 1: Parallel Port Address Write
Figure 4: Parallel Port Nibble Data Read
Figure 2: Parallel Port Data Write
t
t
NIB ACCESS1
AF-B3
t
t
B-AF1
B-SI
Data
t
Address
B-AF2
8
Data
t
t
D7-D4
HOLD1
HOLD1
t
t
t
SI-B2
AF-B2
B-AF2
t
AF-B4
t
EPP HOLD
t
AF-B4
t
NIB ACCESS2
D3-D0
t
t
HOLD2
HOLD2
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