ARM AMBA NIC-301 Especificações descarregar pdf (Página 158)

HDLCD controller

ID062813 Non-Confidential

B.2.3 Register descriptions

This section describes the HDLCD controller registers. Table B-1 on page B-3 provides cross

references to individual registers.

Version Register

The VERSION Register characteristics are:

Purpose Holds a static version number for the LCD controller. Changes to the

processor that affect registers and data structures increment the

VERSION_MAJOR value and reset the VERSION_MINOR value.

Other changes that do not affect the binary compatibility only increment

the VERSION_MINOR number.

Usage constraints There are no usage constraints.

Configurations Available in all HDLCD configurations.

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

Figure B-1 shows the bit assignments.

Figure B-1 Version Register bit assignments

0x020C

V_FRONT_PORCH RW

0x0

32 Vertical Front Porch Width Register on page B-14

0x0210

H_SYNC RW

0x0

32 Horizontal Synch Width Register on page B-14

0x0214

H_BACK_PORCH RW

0x0

32 Horizontal Back Porch Width Register on page B-15

0x0218

H_DATA RW

0x0

32 Horizontal Data Width Register on page B-15

0x021C

H_FRONT_PORCH RW

0x0

32 Horizontal Front Porch Width Register on page B-16

0x0220

POLARITIES RW

0x0

32 Polarities Register on page B-17

0x0230

COMMAND RW

0x0

32 Command Register on page B-17

0x0240

PIXEL_FORMAT RW

0x0

32 Pixel Format Register on page B-18

0x0244

RED_SELECT RW

0x0

32 Color Select Registers on page B-19

0x0248

GREEN_SELECT RW

0x0

32 Color Select Registers on page B-19

0x024C

BLUE_SELECT RW

0x0

32 Color Select Registers on page B-19

Table B-1 Register summary (continued)

Offset Name Type Reset Width Description

31 16 15 8 7 0

PRODUCT_ID VERSION_MAJOR VERSION_MINOR

1 2 ... 153 154 155 156 157 158 159 160 161 162 163 ... 177 178

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