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DMA2286 Datasheet(PDF) 15 Page - Micronas

Part # DMA2286
Description  DMA 2275, DMA 2286 C/D/D2-MAC Descrambler
PDF  48 Pages
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Manufacturer  MICRONAS [Micronas]
Direct Link  http://www.micronas.com
Logo MICRONAS - Micronas

DMA2286 Datasheet(HTML) 15 Page - Micronas

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DMA 2275, DMA 2286
15
Table 8–2: IM Bus register of DMA 2275/2286
Address
Label
Bit No.
Function
5
EXA
0–11
extension address
6
WRA
0–11
write address
bit 10: test option 2
1 = write (EXA) into fp_ram, address = (WRA)
7
RDA
0–11
read address
bit 10: test option 2
1 = read fp_ram into DAT and EXA, address = (RDA)
bit 11: test option 1
1 = causes fp_jump to (EXA)
8
DAT
0–7
data (from dram or fp_ram)
9
WRQ
RRQ
BUS
EXD
0
1
2
3–6
write request
read request
imbus busy
1 = imbus interface busy
extension data
4 msb of fp_data, but in reverse order
10
TT0
TT1
TT2
TT3
TT4
TT5
TT6
TT7
TT8
TT9
TT10
TT11
TT12
TT13
TT14
TT15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
for test only
bypass line memory
for test only
for test only
for test only
for test only
gray decoder input 0 = 7 bit
1 = 8 bit
for test only
for test only
for test only
for test only
for test only
for test only
for test only
for test only
for test only



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