DMA2286 datasheet(29/48 Pages) MICRONAS

29 / 48 page

DMA 2275, DMA 2286

8.4.9. Scratch Buffer

Name

Address

Function

scratch_buf

e000

1024*8 bit

8.5. FP Memory Map

Name

Address

Function

frame_count

line_count

019

020

12 bit

fcnt flywheel

12 bit

line counter

chroma_offset

luma_offset

033

034

12 bit

2’s complement

12 bit

2’s complement

pan_fifo

036

037

038

039

040

041

042

8 bit

2’s complement

(fifo output)

8 bit

2’s complement

8 bit

2’s complement

8 bit

2’s complement

8 bit

2’s complement

8 bit

2’s complement

8 bit

2’s complement

(fifo input)

packet_count

091

12 bit

packet counter

buf1_status

buf2_status

buf3_status

buf4_status

buf5_status

buf6_status

buf7_status

buf8_status

248

249

250

251

252

253

254

255

12 bit

bit 4–0:

buffer pointer

bit 5:

buffer appl.

(0 = standard/1 = ring)

bit 6:

buffer inc.

(0 = 96 byte/1 = 48 byte)

bit 7:

buffer enable

(0 = close/1 = open)

bit 8:

link status

(1 = active)

bit 11–9: not used

DMA2286 Datasheet(PDF) 29 Page - Micronas

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