GT-6816 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

GT-6816

SCANNER Chips

Unspecified 

GT-6816

Bit Reset Description

7:0 8’h58 Dpi setting low byte

Note:

DPI = (optical sensor dpi) x (dpi setting)/600

For example, if optical sensor is 600 dpi, to get 300 dpi output we set:

DPI = (600) x (300/600) = 300 dpi

Dpi setting must be set to 300 (12c:heximal).

Data type configuration register

CPU Read/Write

Address: FF91H

Bit Reset Description

7 1’b0 Reserved

6 1’b0 Inverse AFE data

When this bit is set the AFE output data will be inverted.

5 1’b0 CCR[5]

4 1’b0 Scan mode

0 = line mode

1 = pixel mode

3:0 4’b01 CCR[3:0]

TSTR.0

1’bx

CCR[5] CCR[1:0] CCR[3:2]

Description

1’b1

2’bxx 2’bx0 7 bits compression

1’bx

1’b0

1’b1

1’b0

2’bxx

2’bx1

2’bx1 6 bits compression

2’bxx 8 bits optimize

1’b0

1’b0

1’b0

1’b0

2’b10

2’b00

2’bxx 10 bits non-optimize

2’bxx 12 bits non-optimize

1’b1

1’b0

2’b10 2’bxx 10 bits optimize

1’b1

1’b0

2’b00 2’bxx 12 bits optimize

1’b1

1’b0

2’b01 2’bxx 14 bits non-optimize

1’b1

1’b0

2’b11

TSTR.0 = test register bit 0

2’bxx 16 bits optimize

DMA3 minimum buffer length high byte register

CPU Read/Write

Address: FF92H

Bit Reset Description

34

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