MFC2000 datasheet(222/426 Pages) ETC

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MFC2000 Multifunctional Peripheral Controller 2000

Hardware Description

9-10

Conexant

100723A

Output data FIFO halfword[3:0] for the data to the external memory (for DMA channel 8):

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

Bi-level Resolution

Conversion

Output Data FIFO

(BiRCOutFIFOx)

data

bit 15

data

bit 14

data

bit 13

data

bit 12

data

bit 11

data

bit 10

data

bit 9

data

bit 8

Rst Value

00h

Read

Value 00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

Bi-level Resolution

Conversion

Output Data FIFO

(BiRCOutFIFOx)

data

bit 7

data

bit 6

data

bit 5

data

bit 4

data

bit 3

data

bit 2

data

bit 1

data

bit 0

Rst Value

00h

Read

Value 00h

Address assignment for output FIFO halfword[3:0]

The output FIFO halfword

The register name

Address

Output FIFO halfword 3

BiRCOutFIFO3

01FF8087-86

Output FIFO halfword 2

BiRCOutFIFO2

01FF8085-84

Output FIFO halfword 1

BiRCOutFIFO1

01FF8083-82

Output FIFO halfword 0

BiRCOutFIFO0

01FF8081-80

Bi-level Resolution Converter Ratio Registers:

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

Bi-level Resolution

Conversion Ratio

(BiResConRatio)

00FF807D

Add/Delete 729 or 1458

pixels per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 729 pixels

3:= 1458 pixels

Add/Delete 243 or 486

pixels per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 243 pixels

3:= 486 pixels

Add/Delete 81 or 162

pixels per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 81 pixels

3:= 162 pixels

Add/Delete 27 or 54

pixels per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 27 pixels

3:= 54pixels

Rst Value

00h

Read

Value 00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

Bi-level Resolution

Conversion Ratio

Control

(BiResConRatio)

01FF807C

Add/Delete 9 or 18 pixels

per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 9 pixels

3:= 18 pixels

Add/Delete 3 or 6 pixels

per 2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 3 pixels

3:= 6 pixels

Add/Delete 1or 2 pixels per

2187 input pixels

0:= 0 pixels

1:= Not allowed

2:= 1pixels

3:= 2 pixels

Expansion/R

eduction

Mode

0=Exp.

1=Red.

Simple OR

Enable

Rst Value

00h

Read

Value

00000000

Bit 15-2

Sets Ratio for Reduction/Expansion of image data

Bit 1

Sets Expansion or Reduction mode

Bit 0

Turns on simple oring mode of 2 pixels for horizontal reduction

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