ARM AMBA NIC-301 Specifikace stáhnout pdf (Strana 170)

HDLCD controller

ID062813 Non-Confidential

Usage constraints There are no usage constraints.

Configurations Available in all HDLCD controller configurations.

Attributes See Table B-1 on page B-3.

Figure B-17 shows the bit assignments.

Figure B-17 Horizontal Data Width Register bit assignments

Table B-18 shows the bit assignments.

Horizontal Front Porch Width Register

The H_FRONT_PORCH Register characteristics are:

Purpose Holds the width of the interval between the last visible column and the

next horizontal synchronization, counted in pixel clocks.

Usage constraints There are no usage constraints.

Configurations Available in all HDLCD controller configurations.

Attributes See Table B-1 on page B-3.

Figure B-18 shows the bit assignments.

Figure B-18 Horizontal Front Porch Width Register bit assignments

Table B-19 shows the bit assignments.

31 12 11 0

Reserved H_DATA

Table B-18 Horizontal Data Width Register bit assignments

Bits Name Function

[31:12] - Reserved, write as zero, read undefined

[11:0] H_DATA Horizontal data width -1

31 12 11 0

Reserved H_FRONT_PORCH

Table B-19 Horizontal Front Porch Register bit assignments

Bits Name Function

[31:12] - Reserved, write as zero, read undefined

[11:0] H_FRONT_PORCH Horizontal front porch width -1

1 2 ... 165 166 167 168 169 170 171 172 173 174 175 176 177 178

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ARM AMBA NIC-301 Specifikace Strana 170