LM9830VJD National Semiconductor, LM9830VJD Datasheet - Page 41

• Manufacturer Part Number: LM9830VJD
• Manufacturer: National Semiconductor

Specifications of LM9830VJD

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: TQFP
• Lead Free Status / RoHS Status: Not Compliant

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