DMA2275 MICRONAS [Micronas], DMA2275 Datasheet - Page 19
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DMA2275
Manufacturer Part Number
DMA2275
Description
DMA 2275, DMA 2286 C/D/D2-MAC Descrambler
Manufacturer
MICRONAS [Micronas]
Datasheet
1.DMA2275.pdf
(48 pages)
- Current page: 19 of 48
- Download datasheet (214Kb)
8.4. DRAM Memory Map
8.4.1. Mode Register
Edition: June 12, 1992
6251–330–1E
Name
mode_register
access_mode
video_mode
scram_mode
mac_mode
pan_vector
pan_output
Address
0000
0000
0008
0010
0018
0020
0028
Function
6*8 bit
8 bit
bit 0: video cond. access
bit 1: data1 cond. access
bit 2: data2 cond. access
bit 3: data3 cond. access
bit 4: data4 cond. access
bit 5: not used
bit 6: not used
bit 7: not used
8 bit
bit 0: peaking select
bit 1: peaking
bit 2: baseband filter
bit 3: interpol. filter
bit 4: load coeff
bit 5: black out
bit 6: gray decoder
bit 7: line delay
8 bit
bit 0: video descrambling
bit 1: video rotation
bit 2: aspect ratio
bit 3: vbi descrambling
bit 4: coeff clock
bit 5: not used
bit 6: not used
bit 7: user panning
8 bit
bit 3–0: clamp position
bit 4:
bit 5:
bit 6:
bit 7:
8 bit
bit 7–0: user pan vector
8 bit
bit 7–0: pan vector output
clamp bypass
freq select
decoder sync
mac select
DMA 2275, DMA 2286
(0 = free / 1 = conditional)
(0 = free / 1 = conditional)
(0 = free / 1 = conditional)
(0 = free / 1 = conditional)
(0 = free / 1 = conditional)
(0 = low / 1 = high)
(1 = on)
(1 = on)
(1 = on)
(1 = now)
(1 = on)
(1 = on)
(1 = off)
(0 = on)
(0 = double / 1 = single)
(0 = 4:3 / 1 = 16:9)
(1 = on)
(1 = on)
(1 = on)
(1 = on)
(0 = 50 Hz / 1 = 60 Hz)
(1 = locked)
(0 = d2 / 1 = d)
(2’s complement)
(2’s complement)
19
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