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LM9830 датащи(PDF) 41 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM9830
подробное описание детали  LM9830 36-Bit Color Document Scanner
PDF  45 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9830 датащи(HTML) 41 Page - National Semiconductor (TI)

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Sensor (Offset and Gain) Address Counter
10 bits
10b x 10b
Pixel-Rate
Gain
Multiplier
12-Bit
ADC
Pixel-Rate
Offset
Subtraction
10
Pixel Processing
(DPI adjust),
10 Bit Data Mode
10
Gamma
Correction
Lookup
Table
10
Pixel
Processing
(Packing)
8
8
(External
RAM
Databus)
Stepper
Motor
Current
Controller
4
Buffer In Address Counter
Buffer Out Address Counter
18
18
18
External
RAM
Address
Multiplexer
13
External
RAM
Address
Bus
8
External
RAM
Databus
Offset Latch
Gain Latch
10 or 8
6 or 8
2
8
EPP/
Nibble Mode
Interface
8
8
Parallel
Port
Databus
9
PC
Parallel
Port
Control
2
Printer
Passthrough
Control
Configuration
Register
Line Buffer Controller
Pause Scanning (Near Overflow)
Resume Scanning (Near Underflow)
Increment
Increment
Increment Buffer In Address Counter
Power
Transistors
2
Current
Feedback
2
Oneshot
Time Constant
Increment Buffer Out Address Counter
8
8
CRYSTAL IN
CRYSTAL OUT
8*fADC
(50MHz
max)
System Clock
Generation
CR
= Configured by bits in the Configuration Register
CR
CR
CR
CR
CR
CR
CR
CR
The Brains
Pixel Counter, Stepper Counter, Lamp Counter,
Command Interpreter
AFE Synchronization
New Line
(TR pulse)
Pause
2
Misc. I/O #1, #2
3
LAMPR, LAMPG, LAMPB
Lamp Control
CR
Test
External RAM RD
External RAM WR
Stepper
Motor
Controller
CR
Inhibit
(Unused/Old
Pixels)
2
A, B
states
4
A, B
current
8
12 bit Data/
Normal Mode
Select
8
2
PSense #1, #2
Test Modes
CR
CMODE
Digital Processing Block Diagram



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